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Internal Medicine Doctors Who Perform the Procedure You Need—and Take Your Insurance.

Comprehensive multi-system diagnostic evaluation (CPT 99204/99214), chronic cardiometabolic medication management, preventive cancer screening, and specialist triage. Filter by your insurance carrier, state, or procedure below.

4. Complete Physician Directory

All Internal Medicine Physicians (12,940)

Page 319 of 360

Dr. Richard Lizak, DO

Lehighton, PA 18235

★★★★★ 4.6 (25)
77th PA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,236 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.6 (25)
41st WI Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,024 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Deborah Morris, MD

Gainesville, FL 32605

★★★★★ 4.6 (21)
83rd FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,499 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Matthew Thomas, MD

Rochester, MN 55905

★★★★★ 4.6 (17)
29th MN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (925 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Seth Gordon, MD

Albany, NY 12208

★★★★★ 4.6 (21)
19th NY Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (846 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash

Dr. Arun Raju, MD

Langhorne, PA 19047

★★★★★ 4.6 (21)
31st PA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (935 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Rasam Hosseinian, MD

Rancho Mirage, CA 92270

★★★★★ 4.6 (17)
11th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (757 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Ranjit Katneni, MD

Middletown, OH 45005

★★★★★ 4.6 (25)
90th OH Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,726 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Matthew Bear, DO

Cleveland, MS 38732

★★★★★ 4.6 (25)
64th MS Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,416 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Stefano Cazzaniga, MD

Arlington, TX 76012

★★★★★ 4.6 (21)
64th TX Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,012 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Robert Davidson, MD

Baltimore, MD 21236

★★★★★ 4.6 (21)
49th MD Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,544 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Lijia Xie, MD

Stanford, CA 94305

★★★★★ 4.6 (21)
1st CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (636 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Cherie Lamb, DO

Atlanta, GA 30309

★★★★★ 4.6 (21)
10th GA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (731 CMS services/yr).

✓ Accepts Kaiser Permanente ~$210 Cash

Dr. Kiera Cunningham, MD

Plymouth, MA 02360

★★★★★ 4.6 (17)
7th MA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (692 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Sailey Nimmagadda, MD

Palmyra, VA 22963

★★★★★ 4.6 (17)
47th VA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,397 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Stephen Carney, MD

Burlingame, CA 94010

★★★★★ 4.6 (25)
37th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,151 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Shawn Rosen, MD

Orinda, CA 94563

★★★★★ 4.6 (21)
47th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,410 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Ahmed Omar, MD

Maple Grove, MN 55369

★★★★★ 4.6 (25)
20th MN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (789 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Jennifer Lee, MD

Nashville, TN 37203

★★★★★ 4.6 (25)
77th TN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (514 CMS services/yr).

✓ Accepts Kaiser Permanente ~$202 Cash

Dr. Gennadiy Ryklin, DO

Vineland, NJ 08360

★★★★★ 4.6 (21)
67th NJ Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (462 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Stephan Muhlebach, MD

Hyannis, MA 02601

★★★★★ 4.6 (24)
97th MA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (7,817 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash

Dr. Daniel Linfesty, MD

Citrus Heights, CA 95610

★★★★★ 4.6 (24)
95th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (11,705 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Yousef Kaid, MD

Portsmouth, OH 45662

★★★★★ 4.6 (16)
95th OH Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (5,219 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Omar Elkhamra, MD

Lynchburg, VA 24501

★★★★★ 4.6 (16)
92nd VA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (6,191 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Calixto Zaldivar, MD

Gainesville, FL 32605

★★★★★ 4.6 (16)
82nd FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,149 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Elizabeth Samuels, DO

Vineland, NJ 08360

★★★★★ 4.6 (20)
47th NJ Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,435 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
★★★★★ 4.6 (20)
98th WV Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (7,328 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Aziz Ahmed, MD

Bloomingdale, IL 60108

★★★★★ 4.6 (24)
87th IL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,309 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash

Dr. Amit Waghray, MD

Chandler, AZ 85248

★★★★★ 4.6 (24)
79th AZ Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,196 CMS services/yr).

✓ Accepts Kaiser Permanente ~$207 Cash

Dr. Joseph Pachorek, MD

Pasadena, CA 91105

★★★★★ 4.6 (16)
88th CA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (5,696 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash

Dr. Zachary Holcomb, MD

Roanoke, VA 24016

★★★★★ 4.6 (24)
85th VA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (4,399 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Subhash Reddy, MD

Fort Wayne, IN 46804

★★★★★ 4.6 (20)
58th IN Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,586 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Francoise Marvel, MD

Baltimore, MD 21224

★★★★★ 4.6 (20)
56th MD Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,761 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Kevin Byrne, DO

Osage Beach, MO 65065

★★★★★ 4.6 (16)
66th MO Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,794 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash

Dr. Mark Brus, MD

Sarasota, FL 34238

★★★★★ 4.6 (20)
79th FL Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,680 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash

Dr. Roger Watkins, MD

Williamsburg, VA 23188

★★★★★ 4.6 (20)
81st VA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (3,577 CMS services/yr).

✓ Accepts Kaiser Permanente ~$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.