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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 35 of 99

Dr. Anezi Bakken, MD

Troy, MI 48098

★★★★★ 4.9 (19)
89th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,899 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Joseph Cody, MD

Tampa, FL 33613

★★★★★ 4.9 (23)
4th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (673 CMS services/yr).

✓ Accepts UnitedHealthcare ~$210 Cash

Dr. George Tan, MD

North Las Vegas, NV 89031

★★★★★ 4.9 (15)
53rd NV 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 UnitedHealthcare ~$209 Cash

Dr. Ann Monardo, DO

Bowling Green, KY 42103

★★★★★ 4.9 (23)
86th KY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,536 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash
★★★★★ 4.9 (23)
81st OK Pct

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

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Joshua Olstein, MD

New City, NY 10956

★★★★★ 4.9 (23)
17th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (777 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Ralph Alhalel, MD

Mcallen, TX 78503

★★★★★ 4.9 (15)
46th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,243 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Sailaja Cheruku, MD

Springfield, IL 62703

★★★★★ 4.9 (19)
36th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (993 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. Paul St. Romain, MD

Springfield, MO 65804

★★★★★ 4.9 (19)
19th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (788 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Mollie Jackson, DO

Kansas City, KS 66160

★★★★★ 4.9 (15)
4th KS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (725 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Samir Kakodkar, MD

Niles, IL 60714

★★★★★ 4.9 (23)
42nd IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,092 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. Aijaz Sofi, MD

Cleveland, OH 44109

★★★★★ 4.9 (23)
41st OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,034 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Daniel Jamorabo, MD

Stony Brook, NY 11794

★★★★★ 4.9 (15)
1st NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (633 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Mohammed Ullah, MD

Springfield, MA 01107

★★★★★ 4.9 (19)
18th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (731 CMS services/yr).

✓ Accepts UnitedHealthcare ~$224 Cash

Dr. Sumit Kapoor, MD

Columbus, OH 43202

★★★★★ 4.9 (23)
3rd OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (654 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Michael Louis, DO

Harrisonburg, VA 22801

★★★★★ 4.9 (15)
14th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (774 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Philip Okafor, MD

Jacksonville, FL 32224

★★★★★ 4.9 (23)
1st FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (632 CMS services/yr).

✓ Accepts UnitedHealthcare ~$216 Cash

Dr. Marcus Davis, DO

Abilene, TX 79601

★★★★★ 4.9 (15)
44th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,183 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Mitchell Mah'moud, MD

Smithfield, NC 27577

★★★★★ 4.9 (23)
32nd NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,319 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Nancy Reau, MD

Burr Ridge, IL 60527

★★★★★ 4.9 (19)
91st IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (576 CMS services/yr).

✓ Accepts UnitedHealthcare ~$218 Cash

Dr. Anthony Debenedet, MD

Ypsilanti, MI 48197

★★★★★ 4.9 (19)
50th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,502 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Scott Oosterveen, MD

Concord, NH 03301

★★★★★ 4.9 (23)
15th NH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (727 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Tiberiu Moga, MD

Bloomington, IN 47403

★★★★★ 4.9 (15)
19th IN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (766 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. David Mcmillen, MD

Nashville, TN 37203

★★★★★ 4.9 (15)
41st TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,214 CMS services/yr).

✓ Accepts UnitedHealthcare ~$202 Cash

Dr. Sukhwinder Sandhu, MD

Fremont, CA 94536

★★★★★ 4.9 (15)
68th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,526 CMS services/yr).

✓ Accepts UnitedHealthcare ~$239 Cash

Dr. Michael Antony, MD

Bronx, NY 10461

★★★★★ 4.9 (23)
47th NY 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 UnitedHealthcare ~$232 Cash

Dr. Marc Goldman, MD

Springfield, MA 01104

★★★★★ 4.9 (23)
70th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (487 CMS services/yr).

✓ Accepts UnitedHealthcare ~$224 Cash
★★★★★ 4.9 (19)
82nd OK Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,732 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash
★★★★★ 4.9 (23)
25th IA Pct

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

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Joseph Aboujaoude, MD

Staten Island, NY 10306

★★★★★ 4.9 (23)
19th NY Pct

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

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Juan Castano, MD

Mcallen, TX 78501

★★★★★ 4.9 (23)
86th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (572 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Anthony Michaels, MD

Columbus, OH 43202

★★★★★ 4.9 (15)
23rd OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (786 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Mitchal Schreiner, MD

Albuquerque, NM 87109

★★★★★ 4.9 (15)
93rd NM Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,627 CMS services/yr).

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Rachelle Johns, MD

Delmont, PA 15626

★★★★★ 4.9 (23)
91st PA Pct

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

✓ Accepts UnitedHealthcare ~$209 Cash

Dr. Adam Riordan, MD

Ithaca, NY 14850

★★★★★ 4.9 (23)
97th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (730 CMS services/yr).

✓ Accepts UnitedHealthcare ~$232 Cash

Dr. Andrew Nett, MD

San Francisco, CA 94109

★★★★★ 4.9 (15)
47th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,166 CMS services/yr).

✓ Accepts UnitedHealthcare ~$250 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.