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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 16 of 99

Dr. Michael Sciarra, DO

Edgewater, NJ 07020

★★★★★ 4.8 (20)
9th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (719 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Stephen Testa, MD

Mount Laurel, NJ 08054

★★★★★ 4.8 (24)
90th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,561 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Cynthia Schaeffer, MD

San Diego, CA 92114

★★★★★ 4.8 (16)
90th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (608 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Timothy Mcgorisk, MD

Ypsilanti, MI 48197

★★★★★ 4.8 (24)
88th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,414 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Ali Harb, MD

Waxahachie, TX 75165

★★★★★ 4.8 (20)
7th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (689 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Asad Rafiq, MD

Carol Stream, IL 60188

★★★★★ 4.8 (24)
11th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (739 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash

Dr. Victor Mujica, MD

Cedar Falls, IA 50613

★★★★★ 4.8 (15)
82nd IA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,704 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Raja Taunk, MD

Annapolis, MD 21401

★★★★★ 4.8 (23)
97th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (22,130 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Tegpal Atwal, MD

Saint Helena, CA 94574

★★★★★ 4.8 (23)
99th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,023 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Nader Mirhoseni, MD

Mission Viejo, CA 92691

★★★★★ 4.8 (15)
77th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,868 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Sean Mccarthy, MD

Columbus, OH 43202

★★★★★ 4.8 (15)
58th OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,436 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Daniel Cummings, MD

Placerville, CA 95667

★★★★★ 4.8 (19)
22nd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (833 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Vikram Rangan, MD

Boston, MA 02215

★★★★★ 4.8 (19)
98th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (768 CMS services/yr).

✓ Accepts Medicare Part B ~$227 Cash

Dr. Kamran Heydarpour, MD

Oak Park, IL 60302

★★★★★ 4.8 (15)
62nd IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,459 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash

Dr. Frank Gerardi, MD

Howard Beach, NY 11414

★★★★★ 4.8 (15)
19th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (788 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash
★★★★★ 4.8 (19)
20th MO Pct

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

✓ Accepts Medicare Part B ~$209 Cash

Dr. Khalid Alkimawi, MD

Indianapolis, IN 46260

★★★★★ 4.8 (15)
94th IN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (598 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Asad Jehangir, MD

Milwaukee, WI 53215

★★★★★ 4.8 (19)
93rd WI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (611 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Sital Singh, MD

Lodi, CA 95240

★★★★★ 4.8 (18)
79th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,038 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Donald Mansell, MD

Paradise, CA 95969

★★★★★ 4.8 (18)
71st CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,662 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Brian Kaplan, MD

Houston, TX 77030

★★★★★ 4.8 (18)
97th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,073 CMS services/yr).

✓ Accepts Medicare Part B ~$212 Cash

Dr. David Cooley, MD

Bryan, OH 43506

★★★★★ 4.8 (18)
30th OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (889 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
★★★★★ 4.8 (18)
94th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (617 CMS services/yr).

✓ Accepts Medicare Part B ~$211 Cash

Dr. Vera Denmark, MD

Weston, MA 02493

★★★★★ 4.8 (22)
80th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,011 CMS services/yr).

✓ Accepts Medicare Part B ~$224 Cash

Dr. Carl Frank, MD

Georgetown, TX 78626

★★★★★ 4.7 (21)
51st TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,382 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Srinivas Madane, MD

Newton, NJ 07860

★★★★★ 4.7 (17)
77th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,197 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Robert Jao, MD

Kailua, HI 96734

★★★★★ 4.7 (21)
82nd HI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,656 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Rudrajit Rai, MD

Columbia, MD 21045

★★★★★ 4.7 (17)
97th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (20,773 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Brett Baloun, MD

Sioux Falls, SD 57105

★★★★★ 4.7 (21)
93rd SD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (621 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. David Levy, MD

Erie, PA 16507

★★★★★ 4.7 (17)
99th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,440 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Olayiwola Olagbegi, MD

Saint Louis, MO 63136

★★★★★ 4.7 (21)
96th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (617 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Meera Bhardwaj, MD

New York, NY 10029

★★★★★ 4.7 (17)
88th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (555 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Nina Gupta, MD

Chicago, IL 60637

★★★★★ 4.7 (21)
88th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (551 CMS services/yr).

✓ Accepts Medicare Part B ~$222 Cash

Dr. Lalbahadur Nagabhairu, MD

Mount Dora, FL 32757

★★★★★ 4.7 (16)
91st FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,733 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
★★★★★ 4.7 (24)
70th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,046 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Kellen Jex, MD

Natchez, MS 39120

★★★★★ 4.7 (16)
44th MS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,039 CMS services/yr).

✓ Accepts Medicare Part B ~$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.