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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 33 of 99

Dr. Daniel Ringold, MD

Rydal, PA 19046

★★★★★ 4.9 (16)
33rd PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,137 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Jeffrey Brown, MD

Knoxville, TN 37916

★★★★★ 4.9 (20)
17th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (795 CMS services/yr).

✓ Accepts Aetna ~$201 Cash

Dr. Brent Lemberg, MD

Ithaca, NY 14850

★★★★★ 4.9 (24)
14th NY Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (740 CMS services/yr).

✓ Accepts Aetna ~$232 Cash

Dr. Syed Bin-Sagheer, MD

Brooksville, FL 34613

★★★★★ 4.9 (24)
40th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,164 CMS services/yr).

✓ Accepts Aetna ~$216 Cash

Dr. Adam Waller, MD

Evans, GA 30809

★★★★★ 4.9 (20)
29th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (971 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Birju Shah, DO

Rock Hill, SC 29732

★★★★★ 4.9 (16)
21st SC Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (847 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Zachary Zator, MD

Allentown, PA 18104

★★★★★ 4.9 (16)
40th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,337 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Shmuel Golfeyz, MD

Hanover, PA 17331

★★★★★ 4.9 (16)
21st PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (829 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Kalyan Chakrala, DO

Odessa, TX 79761

★★★★★ 4.9 (24)
41st TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,112 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Mohammed Irshad, MD

Clinton, IA 52732

★★★★★ 4.9 (24)
90th IA 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 Aetna ~$209 Cash

Dr. Korta Yuasa, MD

Danville, PA 17822

★★★★★ 4.9 (20)
68th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (462 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Alan Rosen, MD

York, PA 17402

★★★★★ 4.9 (16)
70th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (473 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Xuong Lu, MD

Pittsburgh, PA 15241

★★★★★ 4.9 (24)
74th PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,105 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
★★★★★ 4.9 (24)
82nd ID Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,306 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Matthew Cohen, MD

Philadelphia, PA 19114

★★★★★ 4.9 (16)
91st PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (9,253 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Nikhil Inamdar, MD

Houston, TX 77089

★★★★★ 4.9 (24)
59th TX Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,706 CMS services/yr).

✓ Accepts Aetna ~$212 Cash
★★★★★ 4.9 (24)
76th IA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,389 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Jack Bueno, MD

Nashua, NH 03063

★★★★★ 4.9 (24)
82nd NH Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (551 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Roman Perri, MD

Nashville, TN 37232

★★★★★ 4.9 (24)
70th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (495 CMS services/yr).

✓ Accepts Aetna ~$202 Cash

Dr. Angela Fishman, DO

East Greenwich, RI 02818

★★★★★ 4.9 (24)
97th RI Pct

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

✓ Accepts Aetna ~$209 Cash

Dr. Dan Collins, MD

Salt Lake City, UT 84103

★★★★★ 4.9 (20)
88th UT Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (498 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
★★★★★ 4.9 (20)
6th GA 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 Aetna ~$209 Cash

Dr. Shoaib Azam, MD

Bartlett, TN 38133

★★★★★ 4.9 (20)
3rd TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (641 CMS services/yr).

✓ Accepts Aetna ~$201 Cash

Dr. William Alexander, MD

Nashville, TN 37203

★★★★★ 4.9 (24)
1st TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (631 CMS services/yr).

✓ Accepts Aetna ~$202 Cash

Dr. Eric Cottrill, MD

Tulsa, OK 74133

★★★★★ 4.9 (20)
31st OK Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (962 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Hitendra Patel, MD

Pittsburgh, PA 15232

★★★★★ 4.9 (20)
73rd PA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (484 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Carrie Rothermel, MD

Birmingham, AL 35209

★★★★★ 4.9 (16)
58th AL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,728 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Brendan Chen, MD

Boston, MA 02215

★★★★★ 4.9 (16)
74th MA Pct

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

✓ Accepts Aetna ~$227 Cash

Dr. Apeksha Shah, MD

Camden, NJ 08103

★★★★★ 4.9 (16)
67th NJ Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (474 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Joshua Rubin, MD

Boca Raton, FL 33431

★★★★★ 4.9 (15)
65th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,965 CMS services/yr).

✓ Accepts Aetna ~$216 Cash

Dr. Gaurav Kistangari, MD

Memphis, TN 38120

★★★★★ 4.9 (15)
68th TN Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (2,452 CMS services/yr).

✓ Accepts Aetna ~$201 Cash

Dr. Eiad Nasser, MD

Bel Air, MD 21014

★★★★★ 4.9 (15)
60th MD Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,783 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Peter Bangsund, MD

Chico, CA 95928

★★★★★ 4.9 (19)
66th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (1,497 CMS services/yr).

✓ Accepts Aetna ~$239 Cash

Dr. Mohammed Saadi, MD

LA Mesa, CA 91942

★★★★★ 4.9 (23)
90th CA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,229 CMS services/yr).

✓ Accepts Aetna ~$239 Cash

Dr. Bryan Woods, MD

Fayetteville, GA 30214

★★★★★ 4.9 (15)
89th GA Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (5,887 CMS services/yr).

✓ Accepts Aetna ~$209 Cash

Dr. Kalpana Kalahasthy, MD

Palm Beach Gardens, FL 33410

★★★★★ 4.9 (15)
79th FL Pct

Top Billed Procedure: Established Gastroenterology, GERD & IBD Evaluation [CPT 99214] • Diagnostic & screening colonoscopy with polypectomy (CPT 45378 / 45385) & subspecialty diagnostics (3,445 CMS services/yr).

✓ Accepts Aetna ~$216 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.