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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 15 of 66
Nephrology ★ 4.7
★★★★★ 4.5 (26)
90th 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 (1,518 CMS services/yr).

✓ Accepts Aetna ~$218 Cash
Nephrology ★ 4.6

Dr. Michael Imbriano, DO

Cranford, NJ 07016

★★★★★ 4.5 (18)
29th 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 (1,352 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7
★★★★★ 4.5 (17)
98th MI 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 (14,157 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Justin Westervelt, MD

Hattiesburg, MS 39401

★★★★★ 4.5 (21)
69th 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 (2,106 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Mujahed Dauleh, MD

Wormleysburg, PA 17043

★★★★★ 4.5 (25)
95th 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 (1,161 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. David Mills, MD

Los Alamos, NM 87544

★★★★★ 4.5 (21)
87th NM 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 (2,393 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Aaron Young, DO

Ashland, OH 44805

★★★★★ 4.5 (21)
25th 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 (980 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Noble Iwuagwu, MD

Peachtree City, GA 30269

★★★★★ 4.5 (21)
12th 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 (852 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Ravinder Bhagrath, MD

Pikeville, KY 41501

★★★★★ 4.5 (25)
9th 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 (884 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Yakoub Katri, MD

Brooklyn, NY 11201

★★★★★ 4.5 (24)
96th 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 (12,427 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.7

Dr. Walid Abou Assi, MD

Richmond, VA 23229

★★★★★ 4.5 (24)
86th 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 (4,674 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Julio Pena, MD

Watkinsville, GA 30677

★★★★★ 4.5 (20)
61st 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 (2,169 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Kinjal Gosalia, STUDENT

Port Jefferson Station, NY 11776

★★★★★ 4.5 (16)
98th 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 (5,081 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.6

Dr. Ankur Sharma, MD

Sacramento, CA 95817

★★★★★ 4.5 (24)
58th 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 (2,404 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.6
★★★★★ 4.5 (16)
59th 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 (1,763 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Jose Fuente, MD

Alma, MI 48801

★★★★★ 4.5 (20)
49th MI 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 (1,630 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Hardik Patel, MD

Charleston, SC 29425

★★★★★ 4.5 (16)
98th SC 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 (20,276 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Manoj Patel, MD

Columbus, GA 31904

★★★★★ 4.5 (23)
83rd 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 (4,276 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Michael Lemont, MD

Miami, FL 33150

★★★★★ 4.5 (23)
61st 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 (2,487 CMS services/yr).

✓ Accepts Aetna ~$227 Cash
Nephrology ★ 4.7

Dr. Jose Avila, MD

Allentown, PA 18104

★★★★★ 4.5 (23)
97th 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 (1,979 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Amit Johnsingh, MD

Temple Terrace, FL 33637

★★★★★ 4.5 (19)
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 (3,214 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.6

Dr. Rizwan Akhtar, MD

Richmond, KY 40475

★★★★★ 4.5 (19)
59th 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 (2,570 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Kayode Lawrence, MD

Gettysburg, PA 17325

★★★★★ 4.5 (19)
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 (1,567 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7
★★★★★ 4.5 (23)
96th 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 (7,305 CMS services/yr).

✓ Accepts Aetna ~$211 Cash
Nephrology ★ 4.5

Dr. Karim Nooruddin, MD

Aransas Pass, TX 78336

★★★★★ 4.5 (23)
30th 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 (1,293 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Brady Brabec, MD

Rochester, MN 55905

★★★★★ 4.5 (19)
93rd MN 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 (1,039 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.9

Dr. John Hayes, MD

The Villages, FL 32159

★★★★★ 5.0 (18)
96th 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 (8,295 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.9

Dr. Kmlst Moorthi, MD

Merrillville, IN 46410

★★★★★ 5.0 (18)
90th IN 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 (3,626 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Ajay Rachakonda, MD

Visalia, CA 93291

★★★★★ 5.0 (22)
74th 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 (3,282 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.9

Dr. Paul Lui, MD

Tucson, AZ 85712

★★★★★ 5.0 (22)
88th 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 (6,013 CMS services/yr).

✓ Accepts Aetna ~$207 Cash
Nephrology ★ 4.8

Dr. Inderpal Singh, MD

Florence, SC 29501

★★★★★ 5.0 (18)
88th SC 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 (4,982 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.9

Dr. Yaakov Liss, MD

Brewster, NY 10509

★★★★★ 5.0 (18)
99th 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 (73,103 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.8

Dr. Michael Dicus, MD

Salinas, CA 93901

★★★★★ 5.0 (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 (37,249 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.7

Dr. Louis Jan, MD

Englewood, NJ 07631

★★★★★ 5.0 (18)
71st 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 (3,046 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8
★★★★★ 5.0 (22)
87th 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 (5,219 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Mary Pieprzak, MD

Columbia, MD 21044

★★★★★ 5.0 (22)
52nd 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 (1,768 CMS services/yr).

✓ Accepts 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.