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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 32 of 99

Dr. Robert Schellenberg, MD

Rocky Mount, NC 27804

★★★★★ 4.9 (16)
40th NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,058 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Rafiul Islam, MD

Lubbock, TX 79424

★★★★★ 4.9 (20)
59th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,707 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Steven Cohen, MD

Needham, MA 02494

★★★★★ 4.9 (16)
63rd MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,234 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Warren Butt, MD

Newark, DE 19713

★★★★★ 4.9 (16)
85th DE Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,578 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Brenton Rogers, DO

Cookeville, TN 38501

★★★★★ 4.9 (24)
45th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,252 CMS services/yr).

✓ Accepts Kaiser Permanente ~$201 Cash
★★★★★ 4.9 (20)
88th AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (14,272 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Andrew Barenberg, MD

Beaumont, TX 77702

★★★★★ 4.9 (24)
86th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,464 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Marc Sonenshine, MD

Atlanta, GA 30342

★★★★★ 4.9 (16)
28th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (968 CMS services/yr).

✓ Accepts Kaiser Permanente ~$210 Cash

Dr. Juergen Mueller, MD

Kalispell, MT 59901

★★★★★ 4.9 (16)
80th MT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (6,969 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Peter Naas, MD

Greenville, SC 29607

★★★★★ 4.9 (16)
90th SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,091 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Wesam Frandah, MD

Huntington, WV 25701

★★★★★ 4.9 (16)
69th WV Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,373 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Nina Bandyopadhyay, DO

Wyomissing, PA 19610

★★★★★ 4.9 (24)
58th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,571 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Mitchell Duterte, MD

Lake City, FL 32055

★★★★★ 4.9 (20)
35th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,080 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Josh George, MD

Fort Worth, TX 76104

★★★★★ 4.9 (16)
76th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,391 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Barry Glanzman, MD

Huntington, NY 11743

★★★★★ 4.9 (16)
44th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,096 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash
★★★★★ 4.9 (20)
85th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,234 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash

Dr. Vijay Laxmi Misra, MD

Bloomington, IL 61701

★★★★★ 4.9 (24)
89th IL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,796 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash

Dr. William Lawton, MD

Lincoln, NE 68503

★★★★★ 4.9 (16)
51st NE Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (10,792 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Brian Ng, MD

Erie, PA 16507

★★★★★ 4.9 (16)
93rd PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,999 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Jeffrey Hartford, MD

Flemington, NJ 08822

★★★★★ 4.9 (20)
17th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (832 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Shoba Mendu, MD

Chesapeake, VA 23320

★★★★★ 4.9 (24)
66th VA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,644 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Christian Stone, MD

Las Vegas, NV 89113

★★★★★ 4.9 (16)
59th NV Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,330 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Jeffrey Robertson, MD

Little Rock, AR 72205

★★★★★ 4.9 (20)
80th AR Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (7,444 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Ernest Weeks, MD

Flowood, MS 39232

★★★★★ 4.9 (24)
90th MS Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (13,405 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Kurt Bodily, MD

Provo, UT 84604

★★★★★ 4.9 (24)
44th UT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,202 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.9 (16)
46th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,241 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Sheila Reddy, MD

Austin, TX 78745

★★★★★ 4.9 (16)
12th TX 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 Kaiser Permanente ~$211 Cash

Dr. Adib Chaaya, MD

Mount Laurel, NJ 08054

★★★★★ 4.9 (20)
15th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (807 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Cynthia Yoshida, MD

Charlottesville, VA 22903

★★★★★ 4.9 (20)
78th VA Pct

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

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.9 (20)
81st NC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,380 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.9 (24)
62nd CA 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 Kaiser Permanente ~$239 Cash

Dr. Joseph Roth, MD

Clifton, NJ 07013

★★★★★ 4.9 (20)
53rd NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,405 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Richard Kenney, DO

Washington, PA 15301

★★★★★ 4.9 (16)
25th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (881 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. John Podeszwa, MD

Middletown, NY 10940

★★★★★ 4.9 (20)
87th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (4,574 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Louis Kishfy, MD

Cambridge, MA 02138

★★★★★ 4.9 (20)
8th MA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (676 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Harold Paredes, MD

Los Angeles, CA 90095

★★★★★ 4.9 (20)
26th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (875 CMS services/yr).

✓ Accepts Kaiser Permanente ~$231 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.