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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 3 of 99

Dr. Georges Postic, MD

Columbia, SC 29204

★★★★★ 4.9 (25)
75th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,103 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. David Byrd, MD

New Bern, NC 28562

★★★★★ 4.9 (25)
49th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,213 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Abhay Parikh, MD

Newport Beach, CA 92663

★★★★★ 4.9 (25)
70th CA 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 Cigna ~$239 Cash

Dr. Adam Spiegel, DO

Wyomissing, PA 19610

★★★★★ 4.9 (25)
76th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,482 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Michael Martin, MD

Tulsa, OK 74133

★★★★★ 4.9 (25)
77th OK Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,037 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Frederick Opper, MD

Wilmington, NC 28401

★★★★★ 4.9 (25)
93rd NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (15,219 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Sonja Olsen, MD

West Palm Beach, FL 33401

★★★★★ 4.9 (25)
55th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,530 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. Mohit Jindal, MD

North Chesterfield, VA 23236

★★★★★ 4.9 (25)
25th VA 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 Cigna ~$209 Cash
★★★★★ 4.9 (25)
94th IA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,182 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. David Heiman, MD

Tampa, FL 33607

★★★★★ 4.9 (25)
35th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,086 CMS services/yr).

✓ Accepts Cigna ~$210 Cash

Dr. Charles Wideska, MD

Garden City, NY 11530

★★★★★ 4.9 (25)
34th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (956 CMS services/yr).

✓ Accepts Cigna ~$232 Cash

Dr. Vijay Bapat, MD

Plano, TX 75093

★★★★★ 4.9 (25)
64th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,049 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Franklin Tsai, MD

LA Jolla, CA 92037

★★★★★ 4.9 (25)
59th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,371 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. David Gatof, MD

Longmont, CO 80501

★★★★★ 4.9 (25)
38th CO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (874 CMS services/yr).

✓ Accepts Cigna ~$211 Cash

Dr. Jack Dinh, MD

Murrieta, CA 92562

★★★★★ 4.9 (25)
20th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (824 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. Navin Kumar, MD

Boston, MA 02115

★★★★★ 4.9 (25)
13th MA Pct

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

✓ Accepts Cigna ~$227 Cash

Dr. Elliot Cauble, MD

Riverview, FL 33578

★★★★★ 4.9 (25)
27th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (985 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. Wassem Juakiem, MD

Biloxi, MS 39534

★★★★★ 4.9 (25)
6th MS Pct

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

✓ Accepts Cigna ~$209 Cash

Dr. Michael Docherty, MD

San Diego, CA 92103

★★★★★ 4.9 (25)
79th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (542 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. Rupam Sharan, MD

Greensburg, PA 15601

★★★★★ 4.9 (25)
92nd PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (604 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Francis Yao, MD

San Francisco, CA 94143

★★★★★ 4.9 (25)
52nd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,238 CMS services/yr).

✓ Accepts Cigna ~$250 Cash
★★★★★ 4.9 (25)
29th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (899 CMS services/yr).

✓ Accepts Cigna ~$232 Cash

Dr. Ioannis Economou, MD

Glenview, IL 60026

★★★★★ 4.9 (25)
93rd IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (590 CMS services/yr).

✓ Accepts Cigna ~$218 Cash

Dr. Laura Golian, MD

Westerville, OH 43082

★★★★★ 4.9 (25)
61st OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (438 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Jeffrey Garelick, MD

Palm Beach Gardens, FL 33410

★★★★★ 4.9 (26)
73rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,591 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. Carl Wallach, MD

Morristown, NJ 07960

★★★★★ 4.9 (26)
75th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,123 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Kathleen Raynor, MD

Myrtle Beach, SC 29572

★★★★★ 4.9 (26)
46th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,295 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Antonio Serna, MD

San Antonio, TX 78212

★★★★★ 4.9 (26)
66th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,181 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Chad Spangler, MD

Lake Barrington, IL 60010

★★★★★ 4.9 (26)
49th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,178 CMS services/yr).

✓ Accepts Cigna ~$218 Cash

Dr. Scott Mcduffie, MD

Sumter, SC 29150

★★★★★ 4.9 (26)
84th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,149 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. George Winters, MD

Bellevue, WA 98004

★★★★★ 4.9 (26)
25th WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (819 CMS services/yr).

✓ Accepts Cigna ~$222 Cash

Dr. Lyle Hurwitz, MD

Atlantis, FL 33462

★★★★★ 4.9 (26)
38th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,131 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. Wai Kan Chiu, MD

Cameron Park, CA 95682

★★★★★ 4.9 (26)
57th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,342 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. Aboud Affi, MD

Milwaukee, WI 53233

★★★★★ 4.9 (26)
22nd WI Pct

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

✓ Accepts Cigna ~$209 Cash

Dr. Parantap Gupta, MD

Middletown, NY 10941

★★★★★ 4.9 (26)
76th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,506 CMS services/yr).

✓ Accepts Cigna ~$232 Cash

Dr. Christopher Farrell, DO

Lancaster, PA 17601

★★★★★ 4.9 (26)
80th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,924 CMS services/yr).

✓ Accepts Cigna ~$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.