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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 40 of 99

Dr. Simon Ritchken, MD

San Diego, CA 92117

★★★★★ 4.8 (24)
51st CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,230 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Kerri Bewick, DO

Saint Clair Shores, MI 48081

★★★★★ 4.8 (16)
78th MI Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,941 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Ravi Janardhanan, MD

Pittsburgh, PA 15237

★★★★★ 4.8 (24)
1st PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (650 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Matthew Coleman, MD

Cape Girardeau, MO 63701

★★★★★ 4.8 (20)
85th MO Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (11,121 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.8 (20)
6th OK Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (671 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Kenneth Reed, DO

Troy, OH 45373

★★★★★ 4.8 (20)
15th OH 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 Kaiser Permanente ~$209 Cash

Dr. Brandon Rieders, MD

Valley Stream, NY 11581

★★★★★ 4.8 (24)
97th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (871 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Dustin Case, DO

State College, PA 16801

★★★★★ 4.8 (24)
64th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (448 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Julie Yang, MD

Pasadena, CA 91105

★★★★★ 4.8 (16)
53rd CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,265 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Hamzeh Saraireh, MD

Fall River, MA 02721

★★★★★ 4.8 (20)
32nd MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (848 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Elliott Birnstein, MD

Los Angeles, CA 90017

★★★★★ 4.8 (20)
14th CA 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 Kaiser Permanente ~$231 Cash

Dr. Robin Corbett, MD

Hampton, VA 23666

★★★★★ 4.8 (16)
89th VA Pct

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

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Catherine O'shea, DO

Colorado Springs, CO 80924

★★★★★ 4.8 (24)
84th CO 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 Kaiser Permanente ~$211 Cash

Dr. Pavan Patel, MD

Concord, NC 28025

★★★★★ 4.8 (20)
22nd NC 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 Kaiser Permanente ~$209 Cash

Dr. Samir Ashfaq, MD

Temple, TX 76508

★★★★★ 4.8 (24)
13th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (737 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Steven Guttmann, MD

Forest Hills, NY 11375

★★★★★ 4.8 (16)
52nd NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,233 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Ashutosh Barve, MD

Louisville, KY 40202

★★★★★ 4.8 (16)
8th KY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (666 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Carey Strom, MD

Beverly Hills, CA 90211

★★★★★ 4.8 (20)
57th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,344 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Todd Eisner, MD

Boca Raton, FL 33486

★★★★★ 4.8 (15)
91st FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,951 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Christopher Abrasley, MD

Fort Walton Beach, FL 32547

★★★★★ 4.8 (15)
72nd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,534 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Sandra Jara, MD

Tampa, FL 33647

★★★★★ 4.8 (23)
64th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,904 CMS services/yr).

✓ Accepts Kaiser Permanente ~$210 Cash

Dr. Lisa Odabasi, MD

Newport News, VA 23606

★★★★★ 4.8 (23)
64th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,581 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Shahwali Arezo, MD

Williamsburg, VA 23185

★★★★★ 4.8 (15)
58th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,294 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. William Maher, MD

Somersworth, NH 03878

★★★★★ 4.8 (15)
82nd NH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,553 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Diego Kuperschmit, MD

Arlington, VA 22205

★★★★★ 4.8 (19)
69th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,956 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. William Tanner, MD

Lawrenceville, GA 30046

★★★★★ 4.8 (23)
53rd GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,592 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Snehal Desai, MD

Santa Rosa Beach, FL 32459

★★★★★ 4.8 (23)
73rd FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,604 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Raja Chennupati, MD

Beaumont, TX 77702

★★★★★ 4.8 (19)
92nd TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (8,280 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Kathryn Kirk, MD

Chevy Chase, MD 20815

★★★★★ 4.8 (15)
96th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (19,345 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Naga Addepally, MD

Houston, TX 77070

★★★★★ 4.8 (19)
82nd TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,487 CMS services/yr).

✓ Accepts Kaiser Permanente ~$212 Cash

Dr. Michael Koss, MD

Sun City West, AZ 85375

★★★★★ 4.8 (19)
54th AZ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,305 CMS services/yr).

✓ Accepts Kaiser Permanente ~$207 Cash

Dr. Ravi Ghanta, MD

Wyomissing, PA 19610

★★★★★ 4.8 (15)
80th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,903 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Kenneth Mauer, MD

Fairfield, CT 06824

★★★★★ 4.8 (23)
28th CT 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 Kaiser Permanente ~$209 Cash

Dr. Aaron Fieker, DO

Tulsa, OK 74133

★★★★★ 4.8 (19)
46th OK Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,159 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. David Myers, MD

Brunswick, OH 44212

★★★★★ 4.8 (23)
51st OH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,199 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Sassan Soltani, MD

Pasadena, CA 91105

★★★★★ 4.8 (15)
81st CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,179 CMS services/yr).

✓ Accepts Kaiser Permanente ~$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.