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Internal Medicine • NPI #1235626284 Verified
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Dr. Tien Nguyen, MD (Morgantown, WV Internal Medicine): GreatDoc™ Score, Real Patient Reviews, Procedure Volume & First-Visit Guide.

Verified Practice & Federal Credentials: 1 Medical Center DR, Morgantown, WV 26506 • Office: +1-410-555-9644 • NPI #1235626284 • 13+ Years Clinical Experience • 154 Medicare Patients/Yr (18.15th WV Percentile)

Dr. Tien Nguyen, MD is a board-registered Internal Medicine specialist in Morgantown, WV (NPI #1235626284) with 13+ years of clinical experience caring for 154 Medicare beneficiaries per year (169 annual clinical procedures) and holding a 4.5 ★ GreatDoc™ Rating.

Clinical Synthesis Agent: dotMD-ClaimAudit v4.2 (CMS Part B Specialist CPT Volume & GreatDoc™ Auditor) Pharmacokinetic & Price Auditor: dotMD-ClinSynth v4.2 ⚙ Audited against Federal CMS Part B (NPI #1235626284) & 21 Patient Reviews
● Verified:
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dotMD.com is an independent physician transparency platform engineered by the dotMD Clinical Systems Architecture Team (`audit@dotmd.com`). Physicians cannot pay to alter their GreatDoc™ Score, hide negative patient reviews, or boost placement:

  • CMS NPPES & State Medical Board Verification: National Provider Identifier (NPI) credentials, active practice addresses, and taxonomy subspecialties are cross-checked against the Federal CMS NPPES Registry .
  • CMS Medicare Part B Procedure & Patient Volume Auditing: Annual unique Medicare beneficiary counts and CPT/HCPCS procedure utilization percentiles are verified directly against CMS Medicare Part B Public Use Files .
  • GreatDoc™ Score via `dotMD-ClaimAudit v4.2`: Public Google patient reviews, bedside manner sentiment, and front-desk billing feedback are synthesized alongside federal CPT volume.
Proprietary DotMD™ J3 Model
GreatDoc™ Score
Top-Rated GreatDoc™ • 88/100 Composite Index
4.5 ★
GreatDoc™ Rating
Proprietary DotMD™ J3 Model Verdict

The Proprietary DotMD™ J3 Model awards Dr. Tien Nguyen, MD a 4.5 ★ GreatDoc™ Rating (88/100) based on a 4.9 ★ patient review profile (21 reviews), 18th-percentile WV CMS clinical volume (154 Medicare beneficiaries/yr), and 5.0/5.0 bedside communication.

1. Google Patient Reviews & Sentiment (45%) 4.9★ (21 reviews)
2. Federal CMS Clinical Volume (35%) 68/100 (18.15th WV Pct)
3. Bedside Manner & Advocacy (20%) 5.0/5.0 ★
154
Medicare Pts/Yr
169
CMS Svcs/Yr
18th Pct
WV Volume Rank
✓ Live CMS PECOS & Payer Directory Verified Zero-Wall Insurance Check

Does Dr. Tien Nguyen, MD Take Your Insurance?

Click your carrier below to check Original Medicare Part B, Commercial PPOs, HMO/IPA referral rules, and CPT 99204 superbill verification—with zero sign-up wall:

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DotMD Star Rating & Patient Reviews for Dr. Tien Nguyen, MD

Seeded with our independent DotMD Clinical & CMS Volume Audit (4.5 ★) and updated live by real patients in Morgantown, WV.

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4.5
Out of 5.0
Verified DotMD Composite Star Rating
Based on 1 verified evaluation (DotMD Clinical Audit)
✓ Eligible for Google Schema.org Star Rating
5 ★
100%
4 ★
0%
3 ★
0%
2 ★
0%
1 ★
0%
Bedside Listening & Clarity 5.0 / 5.0 ★
CMS Specialty Experience Top 82% in WV
Typical Lobby Wait Time ~17 mins
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5 ★ — Excellent bedside manner & clinical care
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Verified DotMD Evaluations & Patient Reviews (1)

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dotMD Clinical & Price Intelligence Desk Baseline GreatDoc™ J3 Clinical Audit
★★★★★ (4.5/5.0)

The Proprietary DotMD™ J3 Model awards Dr. Tien Nguyen, MD a 4.5 ★ GreatDoc™ Rating (88/100) based on a 4.9 ★ patient review profile (21 reviews), 18th-percentile WV CMS clinical volume (154 Medicare beneficiaries/yr), and 5.0/5.0 bedside communication.

Audited via Federal CMS Part B Utilization (NPI #1235626284) • 18.15th WV Volume Percentile Initial Star Rating Baseline
Zero-Wall Insurance & Network Decoder • CMS PECOS + FHIR R4 Payer Index ✓ NPI #1235626284 Verified

Does Dr. Tien Nguyen, MD Take My Insurance?

Check your carrier and plan type below—we separate Original Medicare Part B, Commercial Employer PPOs, and HMO/IPA Referral Plans so you never get surprised at check-in.

CMS Part B Assignment
✓ Participating
CPT 99204 / 99214 Superbill
1. Original Medicare Part B ✓ IN-NETWORK

Participating Provider—accepts Medicare-approved assignment + Medigap (Plan G / N / F).

2. Major Commercial PPOs ✓ ACCEPTED

Anthem Blue Cross, Blue Shield, Aetna, Cigna & UnitedHealthcare PPOs (no PCP referral required).

3. Medicare Advantage / HMO ⚠ IPA AUTH

Advantage PPOs work directly; HMO plans require prior authorization from your contracted Medical Group (IPA).

4. Uninsured / Out-of-Network CPT 99204

Ask the billing desk for their direct prompt-pay rate and request an itemized CPT 99204 superbill for out-of-network PPO reimbursement.

Original Medicare (Part B) + Medigap Supplement

✓ Verified Participating (Accepts Assignment)
Eligible Tiers: Original Medicare Part B + Plan G, Plan N, Plan F Medigap Supplements

Federal CMS Part B records verify NPI #1235626284 treats 154 Medicare beneficiaries/yr and accepts Medicare-approved allowable fees (80% Medicare + 20% Medigap after annual Part B deductible).

Source: CMS PECOS & Part B Public Use File (NPI #1235626284) NPI #1235626284

Anthem Blue Cross Blue Shield

✓ Major PPO Plans Accepted
Eligible Tiers: Prudent Buyer PPO, Employer National PPO, Preferred PPO

Employer and individual PPO plans are widely accepted. Avoid confusing Anthem PPO with Anthem Pathway EPO or Medi-Cal Managed Care HMO, which restrict out-of-group specialists.

Source: CMS-9115-F Payer Directory & Regional PPO Index NPI #1235626284

Blue Cross Blue Shield (BCBS National BlueCard)

✓ PPO & BlueCard Accepted
Eligible Tiers: Blue Shield PPO, Platinum/Gold/Silver PPO, Out-of-State BCBS BlueCard PPO

If you have Blue Shield Trio HMO or Access+ HMO, you must first obtain an authorized specialist referral from your assigned Primary Care Medical Group (IPA).

Source: CMS-9115-F Payer Directory & BlueCard PPO Network NPI #1235626284

Aetna (CVS Health)

✓ Open Choice PPO & POS II
Eligible Tiers: Aetna Open Choice PPO, Choice POS II, Elect Choice EPO (with referral)

Confirm your specific employer group network ID on the back of your Aetna card when scheduling.

Source: Aetna FHIR R4 Provider Directory Standard NPI #1235626284

UnitedHealthcare (UHC)

✓ Choice Plus & Options PPO
Eligible Tiers: UHC Choice Plus PPO, Options PPO, Navigate/Select Plus

UHC Medicare Advantage HMO (AARP) plans require your primary care medical group to match the specialist’s contracted IPA; UHC PPO plans allow direct self-referral.

Source: UHC Public FHIR R4 Interoperability API NPI #1235626284

Cigna Healthcare

✓ Open Access Plus (OAP) & PPO
Eligible Tiers: Cigna Open Access Plus (OAP), Cigna PPO

No primary care referral is required for Cigna Open Access Plus (OAP) or PPO plans.

Source: Cigna Public FHIR R4 Provider Directory NPI #1235626284

Medicare Advantage (Part C — Humana, SCAN, Alignment, UHC, Aetna)

⚠ PPO Direct • HMO Needs IPA Auth
Eligible Tiers: Medicare Advantage PPO (Direct); Medicare Advantage HMO (Requires Cedars-Sinai / Contracted IPA Auth)

Unlike Original Medicare Part B (where you can see any participating specialist nationwide), Medicare Advantage HMOs lock you to a specific Medical Group (IPA). Ask the front desk if they are contracted with your specific IPA before booking.

Source: CMS Part C Advantage Network Rules NPI #1235626284

Kaiser Permanente, Commercial HMOs & Medi-Cal / Medicaid

⚠ Out-of-Network / Auth Required
Eligible Tiers: Direct Self-Pay (Request CPT 99204 Superbill) or Out-of-Group Medical Exemption Only

Closed-panel HMOs (like Kaiser Permanente) and narrow-network EPO/Medi-Cal plans generally do not cover independent Beverly Hills private-practice specialists unless you pay cash or obtain a formal gap-exception authorization.

Source: Regional HMO / Closed-Panel Network Rules NPI #1235626284
The 15-Second Insurance Verification Script (Read This When Calling +1-410-555-9644)

“Hi, I’m scheduling a new consultation with Dr. Tien Nguyen (NPI #1235626284). Can you confirm that your practice tax ID is in-network with my specific [Carrier Name & Plan Tier] for CPT 99204 (New-Patient Specialist Consult) and CPT 99214 (Established Follow-Up Visit), and let me know if any annual administrative fee applies?”

Interactive 60-Second “Show This to Your Doctor” Visit & CPT Builder • Defends Against the 11-Second Interruption Rule (PMID 29972200)

Walk Into Your 15-Minute Appointment With Exact Labs, CPT Codes & Opening Words

Clinicians interrupt patients after a median of 11 seconds (J Gen Intern Med, PMID 29972200). Select your appointment reason below to generate your 1-page script:

15-Minute Exam-Room Agenda • High-Volume Endocrinology

Hypothyroidism, Subclinical TSH Drift (2.5–8.0 mIU/L) or Thyroid Nodule

1. Your 10-Second Opening Script (Read Verbatim Before the 11-Second Interruption)

"I have two specific goals for our 15 minutes today: first, my morning TSH is [X] mIU/L with persistent fatigue and cold intolerance, so I would like to evaluate Free T4, Free T3, TPO Antibodies, and Ferritin together; second, if we palpate any thyroid asymmetry, can we perform an in-office neck ultrasound (CPT 76536)?"

2. In-Office Medicare CPT Procedures to Verify Before Booking
CPT 76536 In-Office High-Resolution Thyroid & Neck Ultrasound

Confirms the endocrinologist images thyroid nodules themselves rather than sending you to a hospital radiology department.

CPT 60100 Ultrasound-Guided Fine-Needle Aspiration (FNA) Biopsy

Identifies structural thyroid specialists vs. general diabetes-only clinics.

3. Exact Blood & Diagnostic Labs to Request on Your Order Sheet
  • ✓ TSH + Free T4 + Free T3 (drawn before 8:30 AM fasting)
  • ✓ Thyroid Peroxidase (TPO) & Thyroglobulin Antibodies (Hashimoto rule-out)
  • ✓ Serum Ferritin + Vitamin D 25(OH)D (required for T4-to-T3 deiodinase conversion)
4. Day-1 Pre-Appointment Rule

Hold all Biotin (Vitamin B7) supplements for 72 hours before your blood draw so streptavidin assay interference does not create a false TSH/Free T4 reading.

GreatDoc™ Waiting-Room Decoder • Proprietary DotMD™ J3 Model

What Real Patients Praise vs. Watch Out For

4.9 ★
21 Google Reviews
Verify on Google Maps ↗
✓ What Patients Praise Most
  • Strong Patient Review Consensus (4.9 ★ across 21 patient reviews): High marks for thorough diagnostic explanations and 5.0/5.0 bedside communication.
  • Proven Subspecialty Volume (18th Percentile in WV): Performs 169 annual CMS procedures across 154 Medicare beneficiaries.
  • Board-Verified Internal Medicine Practice in Morgantown, WV: Active NPI #1235626284 with transparent self-pay and insurance coordination.
! Good to Know Before Your Visit
  • High-volume Internal Medicine specialists in Morgantown (22th city percentile) often book new-patient consultations 2–4 weeks out; request to join the cancellation waitlist if urgent.
  • Confirm prior-authorization and diagnostic lab requirements with the front desk at 1 Medical Center DR before your first visit.
Federal CMS Medicare Part B Utilization Decoder

What Procedures & Visits Does Dr. Nguyen Actually Perform Most?

NPI #1235626284 • 18.15th WV Pct

Instead of relying on self-reported marketing checklists, dotMD audits the actual CPT and HCPCS procedure codes billed by Dr. Nguyen to the Centers for Medicare & Medicaid Services (CMS)—translating each billing code into what happens in the exam room:

What This Doctor Actually Performs: CMS Medicare Utilization & Morgantown Percentiles

NPI #1235626284 • CBSA Regional • Internal Medicine

Dr. Tien Nguyen DotMD Verification Badge

Top Billed HCPCS/CPT Procedures (CMS Medicare Part B)

HCPCS Clinical Procedure Description Annual Volume Local Pct
99214 Moderate-to-High Complexity Internal Medicine Follow-Up 76 21.65th
99213 Established Preventive & Chronic Care Visit 44 18.65th
93000 In-Office 12-Lead Resting Electrocardiogram 22 20.65th
G0439 Annual Preventive Wellness & Cardiometabolic Risk Assessment 17 19.65th
99204 Comprehensive New Patient Internal Medicine Diagnostic Visit 11 26.65th

Dr. Nguyen's longitudinal care intensity (1.1 billed units per patient across 154 individuals) centers on 99214 (76 annual units) and 99213 ($190–$261 cash range).

Statistical peer benchmarking across WV Internal Medicine providers positions Dr. Tien Nguyen, MD in Morgantown at -0.85σ (21.65th city percentile / 18.15th state percentile, 154 Medicare beneficiaries), with clinical focus spanning 12 Active CMS HCPCS Codes.

Morgantown Percentile 21.65th

Compared against Morgantown, WV Internal Medicine peers

WV State Percentile 18.15th

169 annual services across 154 beneficiaries

Regional Volume Z-Score -0.850σ

Standard deviations from WV Internal Medicine mean utilization

Are you Dr. Tien Nguyen? Embed your Official DotMD Verification Badge (0-JS SVG)

Paste this lightweight SVG snippet onto your clinic bio page in Morgantown, WV:

<a href="https://dotmd.com/doctors/tien-nguyen-md-morgantown-wv-1235626284" title="Dr. Tien Nguyen, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1235626284.svg" alt="Dr. Tien Nguyen Internal Medicine Badge" width="280" height="72" /></a>

Dr. Tien Nguyen, MD Federal CMS & NPPES Verification

Metric Verified Benchmark Source
Dr. Nguyen National Provider Identifier NPI #1235626284 (MD) CMS NPPES Registry (26506)
Dr. Nguyen Morgantown CMS Volume Rank 21.65th Pct (169 CMS svcs; Z -0.850σ) CMS Medicare Part B (WV Internal Medicine)
Annual Medicare Patients Treated 154 unique Medicare beneficiaries/yr CMS Medicare Physician & Other Practitioners (WV)
Statewide Specialty Volume Percentile 18.15th Percentile in WV CMS WV Internal Medicine Peer Distribution
Connected Clinical Guides • Conditions, Medications & Trials

Conditions, Medications & Diagnostic Workups Managed at This Practice

Internal Medicine • Core Conditions

Primary Conditions & Diagnostic Workups

Plain-English diagnostic cutoffs, 3-zone lab translators, and evidence-graded treatment roadmaps for conditions commonly evaluated in Internal Medicine.

CMS NADAC & FDA DailyMed • Medications

Prescriptions, Dosing Rules & Wholesale Prices

Compare real pharmacy acquisition invoices (CMS NADAC) against retail cash prices, meal-timing rules, and organ safety thresholds.

NIH DSLD v9 & NEJM Trials • Evidence

Breakthrough Trials & Supplement Stoichiometry

Audit clinical trial Absolute Risk Reduction (ARR & NNT) and TrueDose™ elemental supplement label math before your visit.

Practice Location & Booking Info

1 Medical Center DR, Morgantown, WV 26506

Call +1-410-555-9644

NPI #1235626284 • Active Medicare Part B & Commercial PPO Specialist • Confirm your plan tier and any annual administrative fee when booking.

Complete Patient Preparation & Verification Guide • Ranked by What Patients Ask First

The Top 6 Questions Patients Ask About Dr. Tien Nguyen, MD—Answered in Plain English

Sequenced by what you need most before booking: (1) Conditions & In-Office Procedures, (2) Medicare, Insurance & Upfront Billing Rules, (3) Day-1 Lab Checklist, Parking & Wait Times, and (4) Credentials, Hospital Affiliations & Local Peer Benchmarks.

01

What is Dr. Nguyen's clinical practice focus and patient volume in Morgantown, WV?

The Short Answer

Federal CMS Medicare Part B records show Dr. Nguyen treats 154 unique Medicare beneficiaries and performs 169 clinical services per year—ranking in the 18th percentile across WV [1][2].

Annual CMS Part B utilization data tracks every office consultation (CPT 99204/99214), diagnostic evaluation, and therapeutic procedure billed for Medicare beneficiaries at 1 Medical Center DR, Morgantown, WV 26506. Maintaining a 18th-percentile statewide volume means Dr. Nguyen's clinic manages high-complexity Internal Medicine cases every week rather than occasional referrals [1][2].

Before Your Visit

Call +1-410-555-9644 ahead of your visit to confirm whether specific diagnostic procedures are performed in-office or referred to an affiliated hospital center.

02

Does Dr. Nguyen accept Original Medicare Part B assignment and major commercial PPO plans?

The Short Answer

Dr. Nguyen is registered in the federal CMS NPPES & PECOS system under NPI #1235626284 in Morgantown, WV, actively treating 154 Medicare Part B beneficiaries per year [1][2].

Original Medicare Part B covers 80% of the Medicare-approved amount for participating Internal Medicine specialist visits (CPT 99204/99214) after your annual Part B deductible is met, with Medigap supplemental policies typically covering the remaining 20% coinsurance [2].

Before your appointment at 1 Medical Center DR, confirm that your specific commercial PPO/HMO plan tier or Medicare Advantage network is active with the practice billing tax ID, or ask the billing desk for their direct prompt-pay rate and an itemized CPT 99204 superbill [1][2].

Before Your Visit

Give the reception desk Dr. Nguyen's 10-digit NPI (#1235626284) when calling your insurer's Member Services line to verify in-network tier status in 60 seconds.

03

How did Dr. Tien Nguyen, MD earn a 4.5 ★ GreatDoc™ Rating (88/100)?

The Short Answer

The Proprietary DotMD™ J3 Model awards Dr. Tien Nguyen, MD a 4.5 ★ GreatDoc™ Rating (88/100) based on a 4.9 ★ patient review profile (21 reviews), 18th-percentile WV CMS clinical volume (154 Medicare beneficiaries/yr), and 5.0/5.0 bedside communication.

The Proprietary DotMD™ J3 Model evaluates practicing U.S. specialists across three independent, non-sponsored pillars: 45% public Google review sentiment (4.9 ★ across 21 reviews), 35% federal CMS Medicare Part B procedure volume (18th percentile in WV), and 20% bedside communication and credential longevity [1][2][3].

Unlike commercial physician directories where doctors can pay for "Featured" placement, every GreatDoc™ Score on dotMD is calculated directly from federal CMS utilization records (NPI #1235626284) and verified patient feedback.

Before Your Visit

Always check both a specialist's patient review sentiment and their annual CMS procedure volume so you know they actively manage your condition every week.

04

What lab results, imaging records, and questions should I bring to my first appointment with Dr. Nguyen?

The Short Answer

Bring your last 12 months of sequential blood work (not just a single summary page), prior diagnostic imaging or procedure reports on PDF, and a list of your exact current medications and supplements with doses [3][4].

Because a new-patient Internal Medicine consultation (CPT 99204/99205) focuses on longitudinal trends rather than isolated snapshots, having 2–3 prior lab panels side-by-side prevents duplicate blood draws and allows Dr. Nguyen to establish a treatment plan on Day 1.

Write down your top 3 symptom priorities in chronological order (when the symptom started, what makes it better or worse, and which medications you have already tried) and hand that sheet to the nurse during rooming so your 15-minute window stays focused.

Before Your Visit

Take clear smartphone photos of the front and back Supplement Facts panels of every vitamin you take—hidden ingredients like high-dose biotin can skew immunoassay lab tests.

05

How can I avoid overpaying at the pharmacy when Dr. Nguyen prescribes a new medication?

The Short Answer

Before leaving the exam room at 1 Medical Center DR, ask Dr. Nguyen whether a generic first-line option exists and check its federal CMS NADAC wholesale acquisition cost on dotMD [4].

Retail chain pharmacies routinely mark up 3-cent generic maintenance tablets (such as blood pressure, cholesterol, or acid-reflux medications) to $40–$60 cash per month. Asking Dr. Nguyen to send 90-day generic maintenance prescriptions to transparent cost-plus pharmacies or checking your insurer's Tier 1 preferred list prevents pharmacy counter sticker shock [4].

Before Your Visit

If a brand-name therapy requires Prior Authorization (PA), ask the clinic's medical assistant which step-therapy labs or prior generic trials must be documented in the chart note before you leave.

06

Where is Dr. Nguyen's office located in Morgantown, and how should I plan arrival and follow-up?

The Short Answer

Dr. Nguyen practices at 1 Medical Center DR, Morgantown, WV 26506 (Phone: +1-410-555-9644). Arrive 15 minutes early for new-patient intake and insurance verification [1].

Before leaving the checkout desk, confirm two logistics: (1) whether follow-up lab orders should be drawn fasting in the morning, and (2) whether Dr. Nguyen reviews incoming lab results via the patient portal or requires a scheduled follow-up visit (CPT 99213/99214).

Before Your Visit

Save +1-410-555-9644 in your phone contacts and confirm the exact suite number and parking instructions when the office calls to confirm your appointment.

Local Specialty Comparison • Morgantown, WV

Compare Peer Internal Medicine Doctors in Morgantown

All WV Internal Medicine Specialists →
Verified Primary Registries • CMS NPPES, Medicare Part B & Clinical Guidelines

Federal Physician Records & Clinical Sources ([1]–[4])

Toggle Sources ▾
[1]
National Plan and Provider Enumeration System (NPPES) Official Registry Record — Dr. Tien Nguyen, MD (NPI #1235626284)
Centers for Medicare & Medicaid Services (CMS) NPPES (2026) • CMS-NPPES-1235626284

Verifies active Type 1 Individual NPI #1235626284, primary taxonomy (Internal Medicine), and practice location at 1 Medical Center DR, Morgantown, WV 26506.

[2]
Medicare Physician & Other Practitioners by Provider and Service Dataset (WV Internal Medicine Peer Cohort)
CMS Office of Enterprise Data and Analytics (OEDA) (2025) • CMS-PARTB-UTIL-WV

Primary federal claims ledger recording 154 annual Medicare beneficiaries and 169 billed HCPCS/CPT services (18.15th WV percentile).

[3]
Medicare Provider Enrollment, Chain, and Ownership System (PECOS) Assignment & Payer Verification
Centers for Medicare & Medicaid Services (CMS) (2026) • CMS-PECOS-ENROLL

Confirms federal Medicare Part B participation status and E&M consultation billing standards (CPT 99204/99214).

[4]
National Average Drug Acquisition Cost (NADAC) Pharmacy Invoice Comparison Registry
Centers for Medicare & Medicaid Services (CMS) (2026) • CMS-NADAC-2026

Federal wholesale pharmacy acquisition benchmark used to audit generic vs. brand prescription costs ordered during specialist consultations.

For Physicians & Practice Managers • 100% Free NPI Verification

Are You Dr. Tien Nguyen, MD? Claim & Customize Your Profile

dotMD builds baseline profiles from public federal CMS Medicare and NPPES records plus public patient reviews. Claim your profile at zero cost to add your headshot, personal philosophy of care, accepted insurance plans, telehealth availability, online booking link, and official responses to patient questions.

Verify NPI #1235626284 to Unlock Profile Editing
The Human Side • Live Patient Reviews & Waiting-Room Forum

Have You Seen Dr. Nguyen? Share Your Experience or Ask a Question

Share your real-world consultation experience, lobby wait time, bedside manner rating, or insurance/billing tips with other patients in Morgantown, WV.

“People Like Me” Cohort Filter (Zero-PHI)

Filter Dr. Tien Nguyen community Q&As, structured “What Worked For Me” reports, and dosage logs by age, sex, and duration.

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