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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 54 of 99

Dr. Victoria Yung, MD

Walnut Creek, CA 94598

★★★★★ 4.8 (16)
95th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (747 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Andrew Antony, MD

New York, NY 10016

★★★★★ 4.8 (20)
43rd NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,082 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Humberto Rios, MD

Columbus, GA 31904

★★★★★ 4.8 (24)
45th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,291 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Hirendra Doshi, MD

Raleigh, NC 27604

★★★★★ 4.8 (24)
51st NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,451 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Tohru Sato, MD

San Carlos, CA 94070

★★★★★ 4.8 (24)
14th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (763 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Isabelle Vonalthen-Dagum, MD

East Setauket, NY 11733

★★★★★ 4.8 (20)
15th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (751 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Navakanth Gorrepati, MD

Fort Worth, TX 76104

★★★★★ 4.8 (24)
34th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,011 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Henry Ho, MD

Mount Laurel, NJ 08054

★★★★★ 4.8 (24)
75th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (512 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Brett Styskel, MD

Independence, OH 44131

★★★★★ 4.8 (24)
98th OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (662 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. David Hass, MD

Hamden, CT 06518

★★★★★ 4.8 (20)
13th CT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (777 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Johnathan Zhang, MD

Sacramento, CA 95816

★★★★★ 4.8 (20)
6th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (696 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Kelly Zucker, DO

Boulder, CO 80301

★★★★★ 4.8 (16)
1st CO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (635 CMS services/yr).

✓ Accepts Kaiser Permanente ~$211 Cash

Dr. Srihari Mahadev, MD

New York, NY 10065

★★★★★ 4.8 (24)
13th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (736 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Jasmine Sinha, MD

Chicago, IL 60611

★★★★★ 4.8 (20)
6th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (699 CMS services/yr).

✓ Accepts Kaiser Permanente ~$222 Cash

Dr. Elliot Ellis, MD

West Palm Beach, FL 33401

★★★★★ 4.8 (23)
99th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (44,911 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Jesica Brown, MD

Salina, KS 67401

★★★★★ 4.8 (23)
65th KS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,508 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Tri Huynh, DO

Fort Walton Beach, FL 32547

★★★★★ 4.8 (23)
63rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,841 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Shekhar Challa, MD

Topeka, KS 66606

★★★★★ 4.8 (19)
45th KS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,448 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Frank Wootton, MD

Norfolk, VA 23502

★★★★★ 4.8 (15)
58th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,348 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Ahmad Irfan, MD

Waycross, GA 31501

★★★★★ 4.8 (23)
71st GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,385 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Ronald Andari Sawaya, MD

Lakewood Ranch, FL 34240

★★★★★ 4.8 (19)
90th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,194 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Chatargy Kaza, MD

Phillipsburg, NJ 08865

★★★★★ 4.8 (23)
51st NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,345 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Thomas Towne, MD

Germantown, TN 38138

★★★★★ 4.8 (19)
92nd TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (12,652 CMS services/yr).

✓ Accepts Kaiser Permanente ~$201 Cash

Dr. Zahid Afzal, MD

Orland Park, IL 60487

★★★★★ 4.8 (19)
67th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,628 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash

Dr. Michael Meininger, MD

Englewood Cliffs, NJ 07632

★★★★★ 4.8 (19)
50th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,326 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. John Eastone, MD

Huntington, WV 25705

★★★★★ 4.8 (15)
81st WV Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,496 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Akash Nabh, MD

Glendale, AZ 85306

★★★★★ 4.8 (19)
71st AZ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,780 CMS services/yr).

✓ Accepts Kaiser Permanente ~$207 Cash

Dr. Samit Datta, MD

Mount Vernon, WA 98274

★★★★★ 4.8 (23)
54th WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,331 CMS services/yr).

✓ Accepts Kaiser Permanente ~$222 Cash

Dr. Eghierhua Ugheoke, MD

Huntsville, AL 35801

★★★★★ 4.8 (19)
43rd AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,638 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Feng Li, MD

Tyler, TX 75702

★★★★★ 4.8 (23)
34th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,013 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Farhan Quader, MD

Evanston, IL 60201

★★★★★ 4.8 (19)
57th IL 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 ~$218 Cash

Dr. Monica Borkar, MD

Glenview, IL 60026

★★★★★ 4.8 (23)
35th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (982 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash

Dr. Susie Cohn, MD

Oakland, CA 94612

★★★★★ 4.8 (23)
26th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (881 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Pawan Sahu, MD

Langhorne, PA 19047

★★★★★ 4.8 (23)
34th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,155 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Kevin White, MD

Virginia Beach, VA 23454

★★★★★ 4.8 (19)
87th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,179 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Andrew Dukowicz, MD

Asheville, NC 28803

★★★★★ 4.8 (23)
78th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (8,579 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.