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Internal Medicine Doctors Who Perform the Procedure You Need—and Take Your Insurance.

Comprehensive multi-system diagnostic evaluation (CPT 99204/99214), chronic cardiometabolic medication management, preventive cancer screening, and specialist triage. Filter by your insurance carrier, state, or procedure below.

4. Complete Physician Directory

All Internal Medicine Physicians (12,940)

Page 264 of 360

Dr. Olurotimi Mesubi, MD

Baltimore, MD 21287

★★★★★ 4.7 (24)
46th MD Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,425 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Jacqueline Skvaril, MD

Santa Rosa, CA 95403

★★★★★ 4.7 (16)
82nd CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,344 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Ahmad Mian, MD

Utica, NY 13502

★★★★★ 4.7 (16)
99th NY Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,877 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Mohannad Azzam, MD

Hoover, AL 35244

★★★★★ 4.7 (24)
85th AL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (6,195 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Armen Hovhannisyan, MD

Los Angeles, CA 90045

★★★★★ 4.7 (16)
93rd CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (9,412 CMS services/yr).

✓ Accepts UnitedHealthcare ~$231 Cash

Dr. Thomas Barkley, MD

New Albany, MS 38652

★★★★★ 4.7 (16)
84th MS Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (6,044 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Bryan Tygart, MD

Jackson, TN 38301

★★★★★ 4.7 (24)
83rd TN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (6,185 CMS services/yr).

✓ Accepts UnitedHealthcare ~$201 Cash

Dr. Bagdig Baghdassarian, MD

Great Neck, NY 11021

★★★★★ 4.7 (24)
81st NY Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,802 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Kishor Patel, MD

Rocky River, OH 44116

★★★★★ 4.7 (20)
82nd OH Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,614 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Ahmad Maatouk, MD

Hackettstown, NJ 07840

★★★★★ 4.7 (24)
60th NJ Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,879 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. James Hall, MD

Pampa, TX 79065

★★★★★ 4.7 (20)
86th TX Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,875 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Gilberto Gastell, MD

Union City, NJ 07087

★★★★★ 4.7 (16)
91st NJ Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (5,259 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Sunghye Kang, MD

Hoffman Estates, IL 60169

★★★★★ 4.7 (24)
67th IL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,097 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. Phyllis Elsishans, MD

Sarasota, FL 34239

★★★★★ 4.7 (20)
93rd FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (8,614 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Azhar Sheikh, MD

Cleveland, TN 37312

★★★★★ 4.7 (20)
52nd TN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,946 CMS services/yr).

✓ Accepts UnitedHealthcare ~$201 Cash

Dr. William Moran, MD

Arlington Heights, IL 60005

★★★★★ 4.7 (16)
75th IL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,675 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. Bruce Lessin, MD

Mclean, VA 22101

★★★★★ 4.7 (24)
87th VA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,758 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash
★★★★★ 4.7 (24)
49th MS Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,602 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Alex Seda, MD

Orlando, FL 32819

★★★★★ 4.7 (20)
31st FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,051 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Shahzad Zia, MD

Pomona, NJ 08240

★★★★★ 4.7 (24)
57th NJ Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,770 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Daniel Grzegorek, DO

Willowbrook, IL 60527

★★★★★ 4.7 (16)
93rd IL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (6,210 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. Nicole Cohen, MD

Savannah, GA 31405

★★★★★ 4.7 (24)
72nd GA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,920 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash
★★★★★ 4.7 (20)
94th TX Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (8,539 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Kiran Mariwalla, MD

Solvang, CA 93463

★★★★★ 4.7 (24)
75th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,049 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Nitin Patel, MD

Meadville, PA 16335

★★★★★ 4.7 (24)
51st PA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,268 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Ryan Martin, MD

Denver, CO 80204

★★★★★ 4.7 (20)
34th CO Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (961 CMS services/yr).

✓ Accepts UnitedHealthcare ~$213 Cash

Dr. Anil Nadipelli, MD

Baltimore, MD 21229

★★★★★ 4.7 (16)
19th MD Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (912 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Lloyd Santiago, MD

Delray Beach, FL 33484

★★★★★ 4.7 (16)
64th FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,198 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash
★★★★★ 4.7 (20)
79th GA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,749 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Rodney Whitby, MD

Paris, TN 38242

★★★★★ 4.7 (20)
62nd TN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,732 CMS services/yr).

✓ Accepts UnitedHealthcare ~$201 Cash

Dr. Amir Kaldas, MD

Lake Mary, FL 32746

★★★★★ 4.7 (24)
66th FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,340 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash
★★★★★ 4.7 (20)
14th TX Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (775 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Colin Bonhag, DO

Olney, MD 20832

★★★★★ 4.7 (16)
24th MD Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (989 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Adnan Muhsin, MD

Dixon, IL 61021

★★★★★ 4.7 (16)
62nd IL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,826 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. David Kay, MD

Goshen, IN 46526

★★★★★ 4.7 (16)
75th IN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,635 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Xiao Wan, DO

Lancaster, CA 93534

★★★★★ 4.7 (20)
65th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,237 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash
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.

Patient Triage & Insurance Verification Guide

Frequently Asked Questions: Choosing a Specialist by CPT Volume & Insurance Network

Why does CMS Medicare Part B procedure volume matter when choosing a specialist?

General directory listings show what a doctor claims to treat, whereas federal CMS Medicare Part B claims reveal what they actually perform every week. For example, seeing an endocrinologist who performs 400+ in-office thyroid neck ultrasounds (CPT 76536) per year or a gastroenterologist in the top decile for adenoma detection colonoscopy (CPT 45385) prevents unnecessary outside imaging referrals and repeat appointments.

How does dotMD prevent health-system lab rollups and low-rated clinics from skewing Page 1?

Large hospital networks often bill tens of thousands of automated lab draws or vaccination claims under a single department chair NPI. Our directory triage engine isolates individual practicing clinicians (300 to 4,500 Medicare beneficiaries/year) and requires a minimum 4.2-star verified Google patient consensus with at least 15 reviews for default showcase rankings.

How does the GreatDoc™ Star Rating separate bedside manner from front-desk billing complaints?

The GreatDoc™ rating—calculated by the Proprietary DotMD™ J3 Model—audits patient reviews across clinical diagnostic accuracy, unhurried listening, and procedure skill while flagging administrative friction points (such as $250 annual clinic fees, parking validation costs, or phone hold times) so you know exactly what to expect before walking into the waiting room.

How do I verify if a doctor takes my specific PPO, HMO, or Medicare plan?

Every flagship physician profile on dotMD includes an interactive Insurance Network & Cash-Rate Checker covering Original Medicare Part B, Medicare Advantage, BlueCross BlueShield, Aetna, Cigna, UnitedHealthcare, and regional PPO/HMO plans—plus the exact CMS geo-adjusted CPT 99204 self-pay cash rate ($195–$260) and 3-question script to verify network participation with the billing desk.