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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 6 of 99

Dr. Thomas Welton, MD

Colorado Springs, CO 80907

★★★★★ 4.9 (25)
92nd CO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (601 CMS services/yr).

✓ Accepts Humana ~$211 Cash

Dr. Casey Owens, MD

American Fork, UT 84003

★★★★★ 4.9 (25)
12th UT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (760 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Timothy Huggins, MD

Weatherford, TX 76086

★★★★★ 4.8 (26)
71st TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,701 CMS services/yr).

✓ Accepts Humana ~$209 Cash
★★★★★ 4.8 (26)
49th MS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,406 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Charles Brooks, MD

Shawnee, KS 66226

★★★★★ 4.8 (26)
43rd KS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,287 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Marc Taormina, MD

Lees Summit, MO 64064

★★★★★ 4.8 (26)
96th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (30,041 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. William Peterson, MD

Springfield, IL 62703

★★★★★ 4.8 (26)
94th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (8,479 CMS services/yr).

✓ Accepts Humana ~$218 Cash

Dr. Patricia Tsai, MD

Newport Beach, CA 92663

★★★★★ 4.8 (26)
94th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,697 CMS services/yr).

✓ Accepts Humana ~$239 Cash

Dr. Min Soo Song, MD

Leominster, MA 01453

★★★★★ 4.8 (26)
60th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,179 CMS services/yr).

✓ Accepts Humana ~$224 Cash

Dr. Joshua Namias, MD

Salem, MA 01970

★★★★★ 4.8 (26)
43rd MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (939 CMS services/yr).

✓ Accepts Humana ~$224 Cash

Dr. Jong Hyun Nam, MD

Lansdale, PA 19446

★★★★★ 4.8 (26)
64th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,146 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Mark Scheidler, MD

Indianapolis, IN 46260

★★★★★ 4.8 (26)
29th IN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (846 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Tarun Narang, MD

Charlotte, NC 28211

★★★★★ 4.8 (26)
52nd NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,626 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Zachary Harris, MD

New Bern, NC 28562

★★★★★ 4.8 (26)
45th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,503 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Daisy Lankarani, MD

Santa Monica, CA 90404

★★★★★ 4.8 (26)
75th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,826 CMS services/yr).

✓ Accepts Humana ~$239 Cash

Dr. Amanke Oranu, MD

Binghamton, NY 13903

★★★★★ 4.8 (26)
40th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,019 CMS services/yr).

✓ Accepts Humana ~$232 Cash

Dr. Saeed Ahmed, MD

Wesley Chapel, FL 33544

★★★★★ 4.8 (26)
63rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,862 CMS services/yr).

✓ Accepts Humana ~$216 Cash

Dr. Meimin Xie, MD

Olympia, WA 98506

★★★★★ 4.8 (26)
93rd WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (603 CMS services/yr).

✓ Accepts Humana ~$222 Cash

Dr. Edward Rydzak, MD

Savannah, GA 31404

★★★★★ 4.8 (26)
88th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,866 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Amit Raina, MD

Whittier, CA 90605

★★★★★ 4.8 (26)
93rd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,958 CMS services/yr).

✓ Accepts Humana ~$239 Cash

Dr. Jeremiah Ojeaburu, MD

Puyallup, WA 98374

★★★★★ 4.8 (26)
90th WA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (582 CMS services/yr).

✓ Accepts Humana ~$222 Cash
★★★★★ 4.8 (26)
23rd ND Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (965 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Benjamin Hewitt, MD

Dothan, AL 36305

★★★★★ 4.8 (26)
81st AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,313 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Mario Garza, MD

San Antonio, TX 78258

★★★★★ 4.8 (26)
57th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,645 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Melvin Lau, MD

Round Rock, TX 78665

★★★★★ 4.8 (26)
74th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (497 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Nirmala Shanmugam, MD

Lake Worth, FL 33467

★★★★★ 4.8 (26)
6th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (687 CMS services/yr).

✓ Accepts Humana ~$216 Cash
★★★★★ 4.8 (26)
11th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (712 CMS services/yr).

✓ Accepts Humana ~$232 Cash

Dr. Abhishek Polavarapu, MD

Cincinnati, OH 45219

★★★★★ 4.8 (26)
81st OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,563 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Maria Valdes, MD

Naples, FL 34119

★★★★★ 4.8 (26)
81st FL Pct

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

✓ Accepts Humana ~$216 Cash

Dr. Colm O'loughlin, MD

Raleigh, NC 27607

★★★★★ 4.8 (26)
11th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (750 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Noel Hunt, MD

Tupelo, MS 38801

★★★★★ 4.8 (25)
51st MS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,407 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Anurag Maheshwari, MD

Baltimore, MD 21202

★★★★★ 4.8 (25)
65th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,150 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Aaron Domm, MD

Summerville, SC 29486

★★★★★ 4.8 (25)
56th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,570 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Steven Koerner, DO

Manahawkin, NJ 08050

★★★★★ 4.8 (25)
50th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,331 CMS services/yr).

✓ Accepts Humana ~$209 Cash
★★★★★ 4.8 (25)
97th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,745 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Israr Sheikh, MD

Fargo, ND 58102

★★★★★ 4.8 (25)
69th ND Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,806 CMS services/yr).

✓ Accepts Humana ~$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.