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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 65 of 99

Dr. Quin Liu, MD

Los Angeles, CA 90027

★★★★★ 4.7 (17)
31st CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (933 CMS services/yr).

✓ Accepts Medicare Part B ~$231 Cash

Dr. Cory Halliburton, MD

Colchester, VT 05446

★★★★★ 4.7 (21)
73rd VT 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 ~$209 Cash
★★★★★ 4.7 (20)
79th AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,568 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Ronald Markos, MD

Sellersville, PA 18960

★★★★★ 4.7 (20)
95th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (12,531 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Prakash Rau, MD

Braintree, MA 02184

★★★★★ 4.7 (16)
81st MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,117 CMS services/yr).

✓ Accepts Medicare Part B ~$224 Cash

Dr. Paramjit Benipal, MD

Santa Maria, CA 93458

★★★★★ 4.7 (16)
84th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,532 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
★★★★★ 4.7 (20)
70th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,110 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Jatinder Sekhon, MD

Rockville, MD 20850

★★★★★ 4.7 (20)
69th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,519 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Joshua French, MD

Germantown, TN 38138

★★★★★ 4.7 (20)
92nd TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,555 CMS services/yr).

✓ Accepts Medicare Part B ~$201 Cash

Dr. William Kosmala, MD

Palos Heights, IL 60463

★★★★★ 4.7 (24)
96th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (10,852 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash

Dr. Gary Thompson, MD

Washington, DC 20017

★★★★★ 4.7 (20)
63rd DC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,667 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Thomas Kepczyk, MD

San Marcos, TX 78666

★★★★★ 4.7 (20)
93rd TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (8,891 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Andrew Rackoff, MD

Hendersonville, NC 28791

★★★★★ 4.7 (24)
89th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,864 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Ravi Singh, MD

E Patchogue, NY 11772

★★★★★ 4.7 (24)
64th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,591 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash

Dr. Donald Penn, MD

Peoria, IL 61606

★★★★★ 4.7 (16)
97th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,313 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash

Dr. Alan Shikoh, MD

Chattanooga, TN 37404

★★★★★ 4.7 (20)
57th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,664 CMS services/yr).

✓ Accepts Medicare Part B ~$201 Cash

Dr. Jason Huffman, MD

Knoxville, TN 37909

★★★★★ 4.7 (24)
35th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,098 CMS services/yr).

✓ Accepts Medicare Part B ~$201 Cash

Dr. Rizwan Safdar, MD

Tucson, AZ 85745

★★★★★ 4.7 (24)
59th AZ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,384 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash

Dr. Nihar Shah, MD

Sarasota, FL 34239

★★★★★ 4.7 (24)
68th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,207 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash

Dr. Arthur West, MD

Washington, DC 20017

★★★★★ 4.7 (20)
58th DC 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 Medicare Part B ~$209 Cash

Dr. Roger Huey, MD

Tupelo, MS 38801

★★★★★ 4.7 (16)
71st MS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,706 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Anna Juncadella, MD

Naples, FL 34109

★★★★★ 4.7 (16)
49th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,345 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
★★★★★ 4.7 (20)
82nd MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,228 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Terri Getzug, MD

Los Angeles, CA 90095

★★★★★ 4.7 (20)
52nd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,264 CMS services/yr).

✓ Accepts Medicare Part B ~$231 Cash

Dr. Scott Meyerson, MD

Newark, DE 19713

★★★★★ 4.7 (16)
67th DE Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,540 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Steven Hammond, MD

Billings, MT 59101

★★★★★ 4.7 (16)
20th MT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (869 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Andrew Brock, MD

Charleston, SC 29425

★★★★★ 4.7 (24)
26th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (883 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Cesar Fernandez, MD

Gadsden, AL 35903

★★★★★ 4.7 (24)
40th AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,548 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Michael Mahoney, MD

Auburn, CA 95602

★★★★★ 4.7 (16)
62nd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,414 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash

Dr. Farid Razavi, MD

Wyomissing, PA 19610

★★★★★ 4.7 (16)
50th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,615 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
★★★★★ 4.7 (20)
46th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,218 CMS services/yr).

✓ Accepts Medicare Part B ~$211 Cash

Dr. Irina Berlin, MD

Brooklyn, NY 11224

★★★★★ 4.7 (24)
76th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,466 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash

Dr. Dmitry Finkelberg, MD

Worcester, MA 01655

★★★★★ 4.7 (24)
35th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (876 CMS services/yr).

✓ Accepts Medicare Part B ~$224 Cash

Dr. Stephen Martin, MD

Cincinnati, OH 45219

★★★★★ 4.7 (24)
88th OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,580 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash

Dr. Timothy Smith, MD

Beverly, MA 01915

★★★★★ 4.7 (16)
38th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (892 CMS services/yr).

✓ Accepts Medicare Part B ~$224 Cash

Dr. Erick Alayo, MD

Chula Vista, CA 91910

★★★★★ 4.7 (16)
80th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,051 CMS services/yr).

✓ Accepts Medicare Part B ~$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.