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

Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385), upper GI endoscopy / EGD for GERD & Barrett’s (CPT 43239), and FibroScan liver elastography (CPT 91200). Filter by your insurance carrier, state, or procedure below.

4. Complete Physician Directory

All Gastroenterology Physicians (3,529)

Page 41 of 99

Dr. Sudhakar Ancha, MD

Joplin, MO 64804

★★★★★ 4.8 (19)
37th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (968 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.8 (15)
65th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,742 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.8 (15)
53rd PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,811 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Eun Shin, MD

Baltimore, MD 21287

★★★★★ 4.8 (23)
73rd MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,028 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Sean Mcgarr, DO

New Bern, NC 28562

★★★★★ 4.8 (19)
28th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,191 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. David Kim, MD

Torrance, CA 90505

★★★★★ 4.8 (23)
88th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,790 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Rajeshwar Abrol, MD

Tomball, TX 77375

★★★★★ 4.8 (15)
83rd TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,576 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Neil Brodsky, MD

Douglaston, NY 11362

★★★★★ 4.8 (19)
59th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,415 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Shweta Joshi, MD

Williamsburg, VA 23185

★★★★★ 4.8 (23)
36th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (978 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Albert Mossburg, MD

Spartanburg, SC 29303

★★★★★ 4.8 (23)
32nd SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,100 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. An-Yu Chen, MD

Lexington, KY 40504

★★★★★ 4.8 (23)
70th KY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,354 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Gloria Lan, MD

Berkeley Heights, NJ 07922

★★★★★ 4.8 (19)
99th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,233 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Jonathan Schreiber, MD

Baltimore, MD 21202

★★★★★ 4.8 (15)
22nd MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (888 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Garieann Fish, DO

Bristol, TN 37620

★★★★★ 4.8 (19)
79th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,060 CMS services/yr).

✓ Accepts Kaiser Permanente ~$201 Cash

Dr. Ujagger Dhillon, MD

Fresno, CA 93720

★★★★★ 4.8 (23)
62nd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,422 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Aarti Kakkar, MD

Stoneham, MA 02180

★★★★★ 4.8 (19)
46th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (963 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Steven Smith, MD

Abilene, TX 79601

★★★★★ 4.8 (15)
45th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,216 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Tamer Sargios, MD

Poughkeepsie, NY 12601

★★★★★ 4.8 (23)
95th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (8,085 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Stephen Duplechain, MD

Thibodaux, LA 70301

★★★★★ 4.8 (23)
17th LA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,068 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Lijian Wang, MD

Lakeland, FL 33805

★★★★★ 4.8 (19)
36th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,103 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Steven Gorcey, MD

Eatontown, NJ 07724

★★★★★ 4.8 (19)
47th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,298 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Olga Brushaber, DO

Farmington Hills, MI 48336

★★★★★ 4.8 (15)
31st MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,009 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Haywood France, MD

Spartanburg, SC 29303

★★★★★ 4.8 (19)
19th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (832 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.8 (23)
25th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (854 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Vivek Garlapati, MD

Abilene, TX 79601

★★★★★ 4.8 (15)
45th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,193 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Nha Duong, DO

Springfield, MA 01107

★★★★★ 4.8 (15)
25th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (798 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Ross Kommor, MD

Marietta, GA 30060

★★★★★ 4.8 (23)
76th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,871 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Sean Lai, MD

Santa Monica, CA 90404

★★★★★ 4.8 (23)
86th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,664 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Aaron Shiels, MD

Rockford, IL 61107

★★★★★ 4.8 (19)
91st IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,720 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash

Dr. Nazir Rahim, MD

Folsom, CA 95630

★★★★★ 4.8 (19)
70th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,600 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Wei-Fang Ko, MD

Castro Valley, CA 94546

★★★★★ 4.8 (19)
29th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (908 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Kevin Karls, MD

Bismarck, ND 58501

★★★★★ 4.8 (15)
85th ND Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,289 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Leila Neshatian, MD

Stanford, CA 94305

★★★★★ 4.8 (23)
38th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,043 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Amit Aravapalli, MD

Charlotte, NC 28287

★★★★★ 4.8 (23)
8th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (706 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. David Park, MD

Plano, TX 75093

★★★★★ 4.8 (19)
63rd TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,022 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Mohannad Abousaleh, MD

Ypsilanti, MI 48197

★★★★★ 4.8 (23)
76th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,711 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 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.