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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 70 of 99

Dr. Joseph Marzano, MD

Red Bank, NJ 07701

★★★★★ 4.7 (26)
8th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (706 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Andrew Mowery, DO

Frederick, MD 21704

★★★★★ 4.7 (26)
32nd MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,035 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
★★★★★ 4.7 (22)
48th CO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,124 CMS services/yr).

✓ Accepts Aetna ~$211 Cash

Dr. Manish Amin, MD

Chandler, AZ 85224

★★★★★ 4.7 (26)
86th AZ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,882 CMS services/yr).

✓ Accepts Aetna ~$207 Cash

Dr. Matthew Walton, MD

Corvallis, OR 97330

★★★★★ 4.7 (26)
86th OR Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (565 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Babak Torabi Sagvand, MD

Baltimore, MD 21201

★★★★★ 4.7 (26)
19th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (859 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Anna Strongin, MD

Rockville, MD 20850

★★★★★ 4.7 (22)
17th MD 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 Aetna ~$209 Cash

Dr. Stacey Zavala, MD

Marlton, NJ 08053

★★★★★ 4.7 (26)
19th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (866 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Michael Selden, MD

Hartford, CT 06106

★★★★★ 4.7 (22)
48th CT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,074 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Deb Mukhopadhyay, MD

Las Vegas, NV 89144

★★★★★ 4.7 (18)
52nd NV Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,182 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Derek Patel, MD

San Diego, CA 92103

★★★★★ 4.7 (18)
6th CA 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 Aetna ~$239 Cash

Dr. Mehul Patel, DO

Manahawkin, NJ 08050

★★★★★ 4.7 (26)
14th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (798 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Marion-Anna Protano, MD

Doylestown, PA 18901

★★★★★ 4.7 (22)
87th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,533 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Sidney Vinson, MD

Springdale, AR 72762

★★★★★ 4.7 (22)
85th AR Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,372 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Christopher Gibbs, MD

West Des Moines, IA 50266

★★★★★ 4.7 (18)
41st IA 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 Aetna ~$209 Cash

Dr. Donald Palmadessa, MD

Douglaston, NY 11362

★★★★★ 4.7 (22)
33rd NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (940 CMS services/yr).

✓ Accepts Aetna ~$232 Cash

Dr. Kourosh Adhami, MD

Babylon, NY 11702

★★★★★ 4.7 (26)
29th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (900 CMS services/yr).

✓ Accepts Aetna ~$232 Cash

Dr. Nikhiel Rau, MD

Statesville, NC 28677

★★★★★ 4.7 (26)
42nd NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,203 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Sanjiv Khullar, MD

Canton, OH 44718

★★★★★ 4.7 (22)
35th OH 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 Aetna ~$209 Cash

Dr. Justin Provost, MD

Burnt Hills, NY 12027

★★★★★ 4.7 (22)
81st NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,447 CMS services/yr).

✓ Accepts Aetna ~$232 Cash

Dr. Vineet Gudsoorkar, MD

Kansas City, MO 64111

★★★★★ 4.7 (26)
92nd MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (573 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Anthony Merrill, DO

Glendale, AZ 85308

★★★★★ 4.7 (22)
12th AZ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (724 CMS services/yr).

✓ Accepts Aetna ~$207 Cash

Dr. Bruce Jones, MD

Saint Joseph, MI 49085

★★★★★ 4.7 (26)
87th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (541 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Sajid Hussain, MD

Albany, NY 12206

★★★★★ 4.7 (26)
87th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,631 CMS services/yr).

✓ Accepts Aetna ~$232 Cash

Dr. Brett Neustater, MD

North Miami Beach, FL 33162

★★★★★ 4.7 (26)
23rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (926 CMS services/yr).

✓ Accepts Aetna ~$216 Cash

Dr. Teresa Yanchak, MD

Colorado Springs, CO 80909

★★★★★ 4.7 (18)
59th CO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,424 CMS services/yr).

✓ Accepts Aetna ~$211 Cash

Dr. Mark Pankonin, MD

Saginaw, MI 48602

★★★★★ 4.7 (26)
69th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (409 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Sajidul Ansari, MD

Saint Louis, MO 63127

★★★★★ 4.7 (22)
85th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,079 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Marisa Spencer, MD

Woodbury, MN 55125

★★★★★ 4.7 (18)
91st MN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,548 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. David Goetz, MD

Burnt Hills, NY 12027

★★★★★ 4.7 (26)
97th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (10,309 CMS services/yr).

✓ Accepts Aetna ~$232 Cash

Dr. Daisy Batista, MD

LA Crosse, WI 54601

★★★★★ 4.7 (22)
67th WI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (469 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Kristen Ankrom, MD

Lakeway, TX 78738

★★★★★ 4.7 (18)
5th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (664 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Mazen Albeldawi, MD

Naples, FL 34102

★★★★★ 4.7 (25)
82nd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,051 CMS services/yr).

✓ Accepts Aetna ~$216 Cash

Dr. Thomas O'connor, MD

Bourbonnais, IL 60914

★★★★★ 4.7 (25)
72nd IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,843 CMS services/yr).

✓ Accepts Aetna ~$218 Cash

Dr. Arthur Geller, MD

Freehold, NJ 07728

★★★★★ 4.7 (17)
71st NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,924 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. William Creel, MD

Atlanta, GA 30318

★★★★★ 4.7 (17)
68th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,791 CMS services/yr).

✓ Accepts Aetna ~$210 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.