Looking for a specialist who listens and takes your insurance? Ask patients in our community. Compare real-world patient outcomes, lab numbers, and doctor visit tips—100% free with a private @handle and zero login wall.
Click to Ask a Question or Post Your Experience ▾
Post to Gut, Labs & Supplements Space (15 Seconds • No Account or Email Required)
Or read existing discussions in Gut, Labs & Supplements Space →
749,040 Verified U.S. Physicians • 51 States & Territories • Zero Sponsored Placements
Preparing for an appointment? Jump to our 60-Second Visit Script Builder ↓

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 47 of 66
Nephrology ★ 4.4
★★★★★ 4.7 (18)
31st 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 (1,534 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.5
★★★★★ 4.7 (22)
34th 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 (1,413 CMS services/yr).

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

Dr. Christopher Cosgrove, MD

East Providence, RI 02914

★★★★★ 4.7 (26)
62nd RI 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 (2,153 CMS services/yr).

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

Dr. Kaushal Sondarwa, MD

San Angelo, TX 76903

★★★★★ 4.7 (26)
73rd 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 (2,884 CMS services/yr).

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

Dr. Mark Gardenswartz, MD

New York, NY 10022

★★★★★ 4.7 (18)
77th 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 (3,774 CMS services/yr).

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

Dr. Ruslan Soldyshev, MD

Great Falls, MT 59405

★★★★★ 4.7 (26)
92nd MT 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 (11,829 CMS services/yr).

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

Dr. John Gretes, MD

Gloucester, VA 23061

★★★★★ 4.7 (18)
24th VA 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 (1,234 CMS services/yr).

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

Dr. Vikram Patney, MD

Belleville, IL 62226

★★★★★ 4.7 (18)
17th 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 (1,098 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$218 Cash
Nephrology ★ 4.5

Dr. Fahad Lodhi, MD

Lake Charles, LA 70601

★★★★★ 4.7 (26)
40th 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 (1,421 CMS services/yr).

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

Dr. Farah Abifaraj, MD

Baltimore, MD 21287

★★★★★ 4.7 (18)
20th MD 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 (1,255 CMS services/yr).

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

Dr. Sancar Eke, MD

Puyallup, WA 98372

★★★★★ 4.7 (26)
65th 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 (1,879 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$222 Cash
Nephrology ★ 4.6

Dr. Waters Hicks, MD

Thomasville, GA 31792

★★★★★ 4.7 (22)
57th 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 (2,009 CMS services/yr).

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

Dr. Jun Shoji, MD

West Hollywood, CA 90048

★★★★★ 4.7 (18)
15th 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 (1,047 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.4

Dr. Allen Wolfert, MD

Bridgeville, PA 15017

★★★★★ 4.7 (18)
18th 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 (906 CMS services/yr).

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

Dr. Raju Patil, MD

Fort Worth, TX 76110

★★★★★ 4.7 (18)
34th 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 (1,386 CMS services/yr).

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

Dr. Akshay Athreya, MD

Richmond, VA 23298

★★★★★ 4.7 (18)
94th VA 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 (1,389 CMS services/yr).

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

Dr. Ami Patel, MD

Flowood, MS 39232

★★★★★ 4.7 (22)
72nd 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 (2,209 CMS services/yr).

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

Dr. Mark Asef, MD

Highland, CA 92346

★★★★★ 4.7 (26)
35th 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 (1,636 CMS services/yr).

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

Dr. Judy Jang, MD

Fall River, MA 02720

★★★★★ 4.7 (18)
26th 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 (1,000 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$224 Cash
Nephrology ★ 4.4

Dr. Jay Dominguez, MD

Bradenton, FL 34203

★★★★★ 4.7 (22)
17th 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 (1,189 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.4

Dr. Ajay Rathore, MD

Newport News, VA 23606

★★★★★ 4.7 (26)
20th VA 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 (1,087 CMS services/yr).

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

Dr. Suphamai Bunnapradist, MD

Los Angeles, CA 90095

★★★★★ 4.7 (18)
17th 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 (1,101 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$231 Cash
Nephrology ★ 4.4

Dr. Rizwan Badar, MD

Riverside, CA 92505

★★★★★ 4.7 (18)
24th 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 (1,297 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.8

Dr. Claudio Martincic, DO

Stony Brook, NY 11790

★★★★★ 4.7 (25)
97th 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 (12,863 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$232 Cash
Nephrology ★ 4.6

Dr. Wissam Saliba, MD

Wichita, KS 67214

★★★★★ 4.7 (25)
70th KS 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 (5,310 CMS services/yr).

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

Dr. Tisha Joerla Tan, MD

Crystal Lake, IL 60012

★★★★★ 4.7 (25)
94th 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 (5,350 CMS services/yr).

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

Dr. Hany Rezk, MD

Columbia, TN 38401

★★★★★ 4.7 (25)
66th 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 (2,989 CMS services/yr).

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

Dr. Mary Mcneer, MD

Mechanicsville, VA 23116

★★★★★ 4.7 (25)
90th VA 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 (6,131 CMS services/yr).

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

Dr. Gregory Spin, DO

Roseville, CA 95661

★★★★★ 4.7 (21)
66th 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 (2,758 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.8

Dr. Kenneth Liss, DO

Eatontown, NJ 07724

★★★★★ 4.7 (17)
99th 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 (17,035 CMS services/yr).

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

Dr. Jawad Munir, MD

Libertyville, IL 60048

★★★★★ 4.7 (21)
77th 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 (3,110 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$218 Cash
Nephrology ★ 4.5

Dr. Rene Mackay, MD

Athens, GA 30606

★★★★★ 4.7 (25)
56th 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 (1,992 CMS services/yr).

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

Dr. Shalini Sehgal, MD

Lewes, DE 19958

★★★★★ 4.7 (25)
43rd 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 (2,945 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6
★★★★★ 4.7 (21)
62nd 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 (3,780 CMS services/yr).

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

Dr. Daniel Ra, DO

Cherry Hill, NJ 08034

★★★★★ 4.7 (21)
84th 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 (4,130 CMS services/yr).

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

Dr. John Prior, DO

Scranton, PA 18510

★★★★★ 4.7 (25)
75th 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 (1,968 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.