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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 343 of 360

Dr. Lili Sacks, MD

Seattle, WA 98104

★★★★★ 4.5 (21)
71st WA Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,812 CMS services/yr).

✓ Accepts Humana ~$225 Cash

Dr. Aleli Rojas, MD

Reno, NV 89503

★★★★★ 4.5 (21)
58th NV Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,629 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Robert Wilson, DO

Richmond Heights, OH 44143

★★★★★ 4.5 (17)
24th 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 (816 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Mansour Mehdi, MD

Washington, DC 20017

★★★★★ 4.5 (17)
46th DC Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (960 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Johnnie Mao, MD

Bethlehem, PA 18015

★★★★★ 4.5 (25)
33rd 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 (953 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Martin Zapata, DO

Norwalk, CA 90650

★★★★★ 4.5 (21)
77th 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 (3,372 CMS services/yr).

✓ Accepts Humana ~$239 Cash

Dr. John Mcdonough, DO

Dickson, TN 37055

★★★★★ 4.5 (17)
88th 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 (7,603 CMS services/yr).

✓ Accepts Humana ~$201 Cash

Dr. Alvin Beyerlein, MD

Delray Beach, FL 33446

★★★★★ 4.5 (21)
67th 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 (2,344 CMS services/yr).

✓ Accepts Humana ~$216 Cash

Dr. Amara Emenike, MD

Tallahassee, FL 32308

★★★★★ 4.5 (17)
33rd 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 (1,082 CMS services/yr).

✓ Accepts Humana ~$216 Cash

Dr. Madiha Haque, MD

Memphis, TN 38119

★★★★★ 4.5 (25)
9th 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 (723 CMS services/yr).

✓ Accepts Humana ~$201 Cash

Dr. Lisa Peck, MD

Deerfield, IL 60015

★★★★★ 4.5 (25)
67th 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 (2,072 CMS services/yr).

✓ Accepts Humana ~$218 Cash

Dr. Harry Claybrook, MD

Bristol, TN 37620

★★★★★ 4.5 (21)
60th 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 (2,550 CMS services/yr).

✓ Accepts Humana ~$201 Cash

Dr. Matthew Hageman, MD

Belleville, IL 62221

★★★★★ 4.5 (17)
63rd 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 (1,888 CMS services/yr).

✓ Accepts Humana ~$218 Cash

Dr. Asha Parikh, MD

Atlanta, GA 30329

★★★★★ 4.5 (21)
81st 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 (4,078 CMS services/yr).

✓ Accepts Humana ~$210 Cash

Dr. Deepu Thoppil, MD

Hattiesburg, MS 39402

★★★★★ 4.5 (21)
51st 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 (1,650 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. David Levey, MD

Boca Raton, FL 33496

★★★★★ 4.5 (21)
75th 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 (3,163 CMS services/yr).

✓ Accepts Humana ~$216 Cash

Dr. Tariq Mahmood, MD

Westminster, MD 21157

★★★★★ 4.5 (17)
78th 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 (3,253 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Daniel Miranda, DO

Jacksonville, FL 32207

★★★★★ 4.5 (21)
28th 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 (1,004 CMS services/yr).

✓ Accepts Humana ~$216 Cash

Dr. Rajbir Dhillon, MD

Burlington, WI 53105

★★★★★ 4.5 (21)
45th 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 (1,079 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Ricardo Navarro, DO

Lake Wales, FL 33853

★★★★★ 4.5 (17)
86th 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 (5,098 CMS services/yr).

✓ Accepts Humana ~$216 Cash

Dr. Kevin Brennan, MD

Wilmington, NC 28405

★★★★★ 4.5 (21)
90th NC Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (8,420 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Willard Denhouter, MD

Plymouth, MI 48170

★★★★★ 4.5 (25)
54th MI Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,371 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Bashar Brikho, MD

Sterling Heights, MI 48310

★★★★★ 4.5 (25)
73rd MI Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (2,086 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Basil Shahin, MD

Saint Louis, MO 63128

★★★★★ 4.5 (25)
68th 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 (443 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Ahmed Elebiary, MD

Alexandria, VA 22304

★★★★★ 4.5 (21)
40th 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 (1,216 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Marco Comianos, DO

Columbus, OH 43214

★★★★★ 4.5 (17)
18th 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 (766 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Jose Reyes Oliva, MD

Brunswick, GA 31520

★★★★★ 4.5 (21)
49th 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 (1,460 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Khalid Amin, MD

Brooklyn, NY 11215

★★★★★ 4.5 (21)
52nd 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 (1,594 CMS services/yr).

✓ Accepts Humana ~$232 Cash

Dr. Paul Lehmitz, MD

Salt Lake City, UT 84102

★★★★★ 4.5 (25)
54th UT Pct

Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Comprehensive multi-system diagnostic evaluation (CPT 99204/99214) & subspecialty diagnostics (1,665 CMS services/yr).

✓ Accepts Humana ~$209 Cash

Dr. Rama Vasireddy, MD

Scottsdale, AZ 85254

★★★★★ 4.5 (25)
32nd 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 (981 CMS services/yr).

✓ Accepts Humana ~$210 Cash

Dr. Irene Chin, MD

Modesto, CA 95355

★★★★★ 4.5 (21)
16th 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 (810 CMS services/yr).

✓ Accepts Humana ~$239 Cash

Dr. Peyman Younesi, MD

Staten Island, NY 10301

★★★★★ 4.5 (25)
34th 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 (1,100 CMS services/yr).

✓ Accepts Humana ~$232 Cash

Dr. Frank Marxer, MD

Atlanta, GA 30342

★★★★★ 4.5 (25)
66th 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 (2,416 CMS services/yr).

✓ Accepts Humana ~$210 Cash

Dr. Umesh Gandhi, MD

Saint Louis, MO 63128

★★★★★ 4.5 (25)
57th 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 (1,434 CMS services/yr).

✓ Accepts Humana ~$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.