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

CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR), SGLT2i/finerenone nephron preservation, resistant hypertension, and kidney stone metabolic workups. Filter by your insurance carrier, state, or procedure below.

4. Complete Physician Directory

All Nephrology Physicians (2,364)

Page 50 of 66
Nephrology ★ 4.4

Dr. Omar Mamlouk, MD

Houston, TX 77030

★★★★★ 4.7 (24)
17th TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,011 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$212 Cash
Nephrology ★ 4.6

Dr. Geoffrey Dube, MD

New York, NY 10032

★★★★★ 4.7 (20)
44th NY Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,303 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.5

Dr. Clay Block, MD

Lebanon, NH 03756

★★★★★ 4.7 (16)
35th NH Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,061 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Samer Jifi-Bahlool, MD

Corpus Christi, TX 78404

★★★★★ 4.7 (16)
46th TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,748 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.4
★★★★★ 4.7 (16)
43rd PA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,379 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.8

Dr. Brant Holt, MD

Chattanooga, TN 37404

★★★★★ 4.6 (19)
97th TN Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (14,240 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$201 Cash
Nephrology ★ 4.7

Dr. Kamlesh Patel, MD

Columbus, GA 31904

★★★★★ 4.6 (15)
81st GA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,870 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Matthew Koch, MD

Belleville, IL 62226

★★★★★ 4.6 (15)
53rd IL Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,170 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$218 Cash
Nephrology ★ 4.6

Dr. Roopinder Poonia, MD

Carmichael, CA 95608

★★★★★ 4.6 (15)
70th CA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,043 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.6

Dr. Shalin Patel, MD

Katy, TX 77450

★★★★★ 4.6 (19)
69th TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,662 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Wilson Nino, MD

Milford, DE 19963

★★★★★ 4.6 (19)
59th DE Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,527 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.4

Dr. Anis Akrawi, MD

Stuart, FL 34994

★★★★★ 4.6 (19)
28th FL Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,457 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.5

Dr. Gaurav Shah, MD

Stuart, FL 34994

★★★★★ 4.6 (19)
42nd FL Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,929 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.5

Dr. Alfred Rodriguez, MD

Lake Mary, FL 32746

★★★★★ 4.6 (23)
56th FL Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,337 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.7

Dr. Raphael Higginbotham, MD

Opelousas, LA 70570

★★★★★ 4.6 (23)
71st LA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,410 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Jun Chen, MD

Plano, TX 75093

★★★★★ 4.6 (15)
77th TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,095 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Wasey Jabbar, MD

Joplin, MO 64804

★★★★★ 4.6 (15)
61st MO Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,671 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Zakir Shaik, MD

Beaumont, TX 77702

★★★★★ 4.6 (15)
81st TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,350 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Jeffrey Martin, MD

Lancaster, PA 17604

★★★★★ 4.6 (15)
58th PA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,564 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Sohail Ejaz, MD

Gainesville, GA 30501

★★★★★ 4.6 (15)
62nd GA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,192 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5
★★★★★ 4.6 (19)
39th NE Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,498 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Jeanie Ahn, MD

Fremont, CA 94538

★★★★★ 4.6 (19)
64th CA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,685 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.7

Dr. Kevin Griffiths, MD

Washington, DC 20010

★★★★★ 4.6 (23)
88th DC Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,012 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Gary Romaka, DO

Florham Park, NJ 07932

★★★★★ 4.6 (15)
47th NJ Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,935 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Muhammad Mir, DO

Lufkin, TX 75904

★★★★★ 4.6 (23)
53rd TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,932 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Eric Iida, MD

Worcester, MA 01655

★★★★★ 4.6 (15)
40th MA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,244 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$224 Cash
Nephrology ★ 4.6

Dr. Aymen Aldujaili, MD

Houston, TX 77074

★★★★★ 4.6 (15)
60th TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (2,179 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$212 Cash
Nephrology ★ 4.5

Dr. Ho Won Lee, MD

Tacoma, WA 98405

★★★★★ 4.6 (23)
50th WA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,487 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$222 Cash
Nephrology ★ 4.5

Dr. Girish Singhania, MD

St George, UT 84790

★★★★★ 4.6 (19)
65th UT Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,411 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.7

Dr. Dharika Shah, DO

Middletown, OH 45005

★★★★★ 4.6 (19)
71st OH Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,730 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Shanza Mujeeb, MD

Tacoma, WA 98405

★★★★★ 4.6 (19)
32nd WA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,147 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$222 Cash
Nephrology ★ 4.5

Dr. Lindsey Norris, MD

Flowood, MS 39232

★★★★★ 4.6 (23)
49th MS Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,781 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.4

Dr. Joshua Harbaugh, DO

Winston Salem, NC 27103

★★★★★ 4.6 (19)
21st NC Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,035 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Paul Cheifetz, MD

Gastonia, NC 28054

★★★★★ 4.6 (15)
77th NC Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (3,987 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Pradeep Dhakarwal, MD

Clairton, PA 15025

★★★★★ 4.6 (23)
53rd PA Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,510 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Mohammad Zia, MD

Humble, TX 77338

★★★★★ 4.6 (19)
47th TX Pct

Top Billed Procedure: Chronic Kidney Disease eGFR, uACR & Electrolyte Management [CPT 99214] • CKD staging via eGFR + Cystatin C and urine albumin-to-creatinine ratio (uACR) & subspecialty diagnostics (1,765 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$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.