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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 64 of 99

Dr. Bruce Greenberg, MD

Arlington Heights, IL 60005

★★★★★ 4.7 (17)
92nd IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,304 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. William Briggs, MD

Tulsa, OK 74133

★★★★★ 4.7 (17)
79th OK Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,068 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. John Homer, MD

Plattsburgh, NY 12901

★★★★★ 4.7 (21)
44th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,096 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Sirisha Grandhe, MD

Sacramento, CA 95817

★★★★★ 4.7 (21)
37th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,031 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Ameena Anees, MD

Columbia, MO 65201

★★★★★ 4.7 (17)
36th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (960 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Bharat Misra, MD

Jacksonville, FL 32216

★★★★★ 4.7 (21)
93rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,206 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Andrew Tobkes, MD

Rockledge, FL 32955

★★★★★ 4.7 (17)
90th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,183 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Mark Dosch, MD

Boynton Beach, FL 33426

★★★★★ 4.7 (17)
70th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,398 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Craig Kubik, DO

Waycross, GA 31501

★★★★★ 4.7 (17)
49th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,395 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Arin Newman, MD

Miami Beach, FL 33140

★★★★★ 4.7 (17)
45th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,261 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash
★★★★★ 4.7 (21)
10th MT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (746 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Robert Osterhoff, MD

Burlingame, CA 94010

★★★★★ 4.7 (17)
27th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (890 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Kelly Ocallahan, MD

Worcester, MA 01608

★★★★★ 4.7 (17)
88th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (593 CMS services/yr).

✓ Accepts UnitedHealthcare ~$224 Cash

Dr. Syed Mehdi, MD

Menomonee Falls, WI 53051

★★★★★ 4.7 (17)
20th WI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (721 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Henning Gerke, MD

Iowa City, IA 52242

★★★★★ 4.7 (17)
6th IA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (737 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Alan Mushnick, MD

Voorhees, NJ 08043

★★★★★ 4.7 (21)
95th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (10,715 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash
★★★★★ 4.7 (21)
9th DE Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (762 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Raxitkumar Jinjuvadia, MD

Port Orange, FL 32129

★★★★★ 4.7 (21)
20th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (872 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Robert Hally, MD

Alexandria, VA 22304

★★★★★ 4.7 (17)
32nd VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (941 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Melissa Morgan, DO

Lancaster, PA 17601

★★★★★ 4.7 (17)
82nd PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,161 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Veronica Dugan, MD

Slidell, LA 70461

★★★★★ 4.7 (21)
95th LA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,181 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Christopher Hibbard, DO

Fountain Hill, PA 18015

★★★★★ 4.7 (21)
19th PA Pct

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

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Adam Greenberg, MD

Fresno, CA 93720

★★★★★ 4.7 (17)
34th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (965 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Gabriel Lee, MD

Webster, TX 77598

★★★★★ 4.7 (21)
93rd TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,257 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Jay Yepuri, MD

Bedford, TX 76022

★★★★★ 4.7 (17)
71st TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,705 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash
★★★★★ 4.7 (21)
28th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (903 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Andrew Bolin, MD

Plano, TX 75093

★★★★★ 4.7 (21)
76th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,396 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Donald Kwok, MD

Las Vegas, NV 89113

★★★★★ 4.7 (21)
29th NV Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (875 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Peter Varunok, MD

Poughkeepsie, NY 12601

★★★★★ 4.7 (21)
88th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,730 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Kevin Kline, MD

Houston, TX 77024

★★★★★ 4.7 (21)
15th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (752 CMS services/yr).

✓ Accepts UnitedHealthcare ~$212 Cash

Dr. Mical Campbell, MD

New London, CT 06320

★★★★★ 4.7 (21)
38th CT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,629 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Weiming Yan, MD

Frederick, MD 21704

★★★★★ 4.7 (17)
14th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (774 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Nagib Toubia, MD

Kearney, NE 68847

★★★★★ 4.7 (21)
79th NE Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (601 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Gregory Soloway, MD

Stratford, CT 06614

★★★★★ 4.7 (17)
76th CT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (493 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Tejas Kirtane, MD

Yakima, WA 98902

★★★★★ 4.7 (21)
85th WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (562 CMS services/yr).

✓ Accepts UnitedHealthcare ~$222 Cash

Dr. Nihar Shah, MD

Berkeley, CA 94705

★★★★★ 4.7 (17)
75th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (516 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.