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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 9 of 66
Nephrology ★ 4.7

Dr. Solomiia Savedchuk, MD

Prescott Valley, AZ 86314

★★★★★ 4.9 (15)
45th AZ 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 (2,098 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.7

Dr. Asish Regmi, MD

Fayetteville, GA 30214

★★★★★ 4.9 (15)
49th 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 (1,820 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Stuart Friedman, MD

Los Angeles, CA 90048

★★★★★ 4.9 (23)
93rd 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 (8,933 CMS services/yr).

✓ Accepts Medicare Part B ~$231 Cash
Nephrology ★ 4.9

Dr. Jonathan Zuniga, MD

Hurricane, WV 25526

★★★★★ 4.9 (15)
91st WV 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 (3,757 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Farid Osman, MD

Petaluma, CA 94954

★★★★★ 4.9 (19)
84th 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 (4,914 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.7

Dr. Heeten Bhoot, DO

Norco, CA 92860

★★★★★ 4.9 (15)
51st 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 (2,120 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.9

Dr. Ku-Juey Raymond Chang, MD

Lake Forest, CA 92630

★★★★★ 4.9 (23)
98th 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 (22,214 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.7

Dr. Michaela Mocanu, MD

King of Prussia, PA 19406

★★★★★ 4.9 (19)
17th 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 (885 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Jonathan Lim, MD

Baltimore, MD 21239

★★★★★ 4.9 (18)
82nd 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 (2,597 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9

Dr. David Nesser, MD

Dallas, TX 75204

★★★★★ 4.9 (18)
99th 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 (18,561 CMS services/yr).

✓ Accepts Medicare Part B ~$211 Cash
Nephrology ★ 4.8
★★★★★ 4.9 (22)
74th 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 (3,159 CMS services/yr).

✓ Accepts Medicare Part B ~$210 Cash
Nephrology ★ 4.8

Dr. Muhammad Khan, MBBS

Cincinnati, OH 45236

★★★★★ 4.9 (22)
93rd 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 (1,375 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Jessie Ganjoo, MD

Meadville, PA 16335

★★★★★ 4.9 (22)
25th 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 (1,018 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Elias Bahta, MD

Beaver Falls, PA 15010

★★★★★ 4.9 (18)
41st 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 (1,347 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9

Dr. Seth Goldberg, MD

Saint Louis, MO 63110

★★★★★ 4.9 (18)
96th 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 (3,936 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Smita Padala, MD

Lecanto, FL 34461

★★★★★ 4.9 (21)
48th 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 (2,087 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.9
★★★★★ 4.9 (17)
98th 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 (2,151 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9

Dr. Manjula Ashok, MD

Long Branch, NJ 07740

★★★★★ 4.9 (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 (16,844 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9
★★★★★ 4.9 (17)
95th 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 (1,404 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash
Nephrology ★ 4.8

Dr. Mohammad Zafar, MD

Bloomington, IL 61704

★★★★★ 4.8 (20)
73rd 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 (2,901 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash
Nephrology ★ 4.8

Dr. Suresh Makhija, MD

Las Vegas, NV 89102

★★★★★ 4.8 (20)
94th NV 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 (4,610 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.6

Dr. Alexander Goldstein, MD

Marble Falls, TX 78654

★★★★★ 4.8 (24)
10th 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 (875 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Nivedita Chander, MD

Warrenton, VA 20186

★★★★★ 4.8 (24)
30th 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 (1,371 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9

Dr. Nandini Sharma, MD

Surprise, AZ 85374

★★★★★ 4.8 (23)
96th AZ 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 (12,278 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.8

Dr. Ivy Melgarejo, MD

Des Moines, IA 50309

★★★★★ 4.8 (19)
90th IA 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 (1,990 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Ashkan Samie, MD

Crescent City, CA 95531

★★★★★ 4.8 (19)
39th 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 (1,767 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.9
★★★★★ 4.8 (15)
97th 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 (3,393 CMS services/yr).

✓ Accepts Medicare Part B ~$225 Cash
Nephrology ★ 4.6

Dr. Sujata Reddy, MD

Glasgow, KY 42141

★★★★★ 4.8 (19)
5th KY 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 (747 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9

Dr. Joseph Duflot, MD

Fresno, CA 93720

★★★★★ 4.8 (22)
99th 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 (36,705 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.8

Dr. Deetu Simh, MD

Worcester, MA 01608

★★★★★ 4.8 (22)
89th 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 (3,893 CMS services/yr).

✓ Accepts Medicare Part B ~$224 Cash
Nephrology ★ 4.8

Dr. Praveena Jyothinagaram, MD

Flower Mound, TX 75028

★★★★★ 4.8 (22)
83rd 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 (3,584 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Elhami Hannan, MD

Richland, WA 99352

★★★★★ 4.8 (18)
66th 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 (1,933 CMS services/yr).

✓ Accepts Medicare Part B ~$222 Cash
Nephrology ★ 4.9

Dr. Satnam Sandhu, MD

Warrensville Heights, OH 44122

★★★★★ 4.8 (18)
94th 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 (3,360 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.9

Dr. Neil Sutaria, MD

Houston, TX 77030

★★★★★ 4.8 (21)
98th 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 (10,484 CMS services/yr).

✓ Accepts Medicare Part B ~$212 Cash
Nephrology ★ 4.9

Dr. Rohit Gupta, MD

Chattanooga, TN 37404

★★★★★ 4.8 (17)
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 (14,611 CMS services/yr).

✓ Accepts Medicare Part B ~$201 Cash
Nephrology ★ 4.8

Dr. Kevin Pham, MD

Orange, CA 92868

★★★★★ 4.8 (17)
79th 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 (4,150 CMS services/yr).

✓ Accepts Medicare Part B ~$239 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.