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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 82 of 99

Dr. Danielle Shelnut, MD

Gainesville, GA 30501

★★★★★ 4.6 (15)
80th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,260 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Qing Zhang, MD

Seattle, WA 98101

★★★★★ 4.6 (19)
33rd WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (957 CMS services/yr).

✓ Accepts Cigna ~$225 Cash

Dr. Madhavi Gaddam, MD

Poughkeepsie, NY 12601

★★★★★ 4.6 (15)
98th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (12,321 CMS services/yr).

✓ Accepts Cigna ~$232 Cash

Dr. Manish Arora, MD

Decatur, AL 35601

★★★★★ 4.6 (15)
67th AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,627 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Ashwani Sethi, MD

Fort Myers, FL 33908

★★★★★ 4.6 (23)
21st FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (902 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. Ankur Sheth, MD

Gainesville, GA 30501

★★★★★ 4.6 (19)
86th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,600 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Aniq Shaikh, MD

Orlando, FL 32825

★★★★★ 4.6 (15)
69th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,277 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. David Anjelly, MD

Santa Cruz, CA 95065

★★★★★ 4.6 (19)
31st CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (928 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
★★★★★ 4.6 (15)
65th VA 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 Cigna ~$209 Cash

Dr. Erik Kerekes, MD

Long Beach, CA 90808

★★★★★ 4.6 (19)
41st CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,081 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. Omar Al-Subee, MD

Wyandotte, MI 48192

★★★★★ 4.6 (19)
58th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,987 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Roland Shepard, MD

Tampa, FL 33607

★★★★★ 4.6 (19)
33rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,072 CMS services/yr).

✓ Accepts Cigna ~$210 Cash

Dr. Carl Robinson, MD

Homewood, IL 60430

★★★★★ 4.6 (23)
43rd IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,110 CMS services/yr).

✓ Accepts Cigna ~$218 Cash

Dr. Badar Muneer, MD

Fort Walton Beach, FL 32547

★★★★★ 4.6 (19)
27th FL 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 Cigna ~$216 Cash
★★★★★ 4.6 (15)
57th WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,393 CMS services/yr).

✓ Accepts Cigna ~$222 Cash

Dr. Jane Jaffe, DO

Medford, NJ 08055

★★★★★ 4.6 (23)
21st NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (898 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Charles Mcmahon, MD

Kansas City, MO 64111

★★★★★ 4.6 (19)
95th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (25,644 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Asif Qadri, MD

Athens, GA 30607

★★★★★ 4.6 (19)
79th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,229 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Carmine Catalano, MD

Cooperstown, NY 13326

★★★★★ 4.6 (15)
15th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (753 CMS services/yr).

✓ Accepts Cigna ~$232 Cash

Dr. David Schwimmer, MD

Palm Beach Gardens, FL 33410

★★★★★ 4.6 (23)
70th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,338 CMS services/yr).

✓ Accepts Cigna ~$216 Cash

Dr. Laith Al Momani, MD

Kansas City, MO 64111

★★★★★ 4.6 (23)
32nd MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (928 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Eric Kallwitz, MD

Chicago, IL 60612

★★★★★ 4.6 (15)
32nd IL 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 Cigna ~$222 Cash

Dr. Shahzad Sheikh, MD

Anderson, SC 29621

★★★★★ 4.6 (15)
6th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (685 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Oluwagbenga Serrano, MD

Vincennes, IN 47591

★★★★★ 4.6 (23)
37th IN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (964 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Marty Meyer, MD

Dublin, OH 43016

★★★★★ 4.6 (19)
82nd OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (550 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Rafael Amaro, MD

Cedar Park, TX 78613

★★★★★ 4.6 (19)
60th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,793 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Laura Mcenerney, MD

Valencia, CA 91355

★★★★★ 4.6 (19)
30th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (920 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. Zenowij Majuk, MD

Santa Cruz, CA 95065

★★★★★ 4.6 (23)
33rd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (952 CMS services/yr).

✓ Accepts Cigna ~$239 Cash

Dr. Zohair Ahmed, MD

Munster, IN 46321

★★★★★ 4.6 (15)
13th IN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (718 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Mark Zeglis, MD

Ypsilanti, MI 48197

★★★★★ 4.6 (23)
73rd MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,475 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Marc Kozam, MD

Olney, MD 20832

★★★★★ 4.6 (23)
14th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (800 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Robert Mccallum, MD

Tucson, AZ 85712

★★★★★ 4.6 (15)
28th AZ Pct

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

✓ Accepts Cigna ~$207 Cash
★★★★★ 4.6 (19)
50th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,364 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. John Boger, MD

Wilkes Barre, PA 18711

★★★★★ 4.6 (19)
85th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (559 CMS services/yr).

✓ Accepts Cigna ~$209 Cash

Dr. Guoxiang Shi, MD

York, PA 17403

★★★★★ 4.6 (19)
28th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (944 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
★★★★★ 4.6 (19)
10th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (685 CMS services/yr).

✓ Accepts Cigna ~$227 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.