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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 11 of 66
Nephrology ★ 4.8

Dr. Jack Waterman, DO

Palm Beach Gardens, FL 33410

★★★★★ 4.8 (19)
94th 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 (5,974 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.8

Dr. Lakhi Sakhrani, MD

Alhambra, CA 91801

★★★★★ 4.8 (15)
78th 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 (3,876 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.7
★★★★★ 4.8 (19)
55th 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 (2,314 CMS services/yr).

✓ Accepts Aetna ~$227 Cash
Nephrology ★ 4.8

Dr. Lei Chen, MD

Albuquerque, NM 87102

★★★★★ 4.8 (15)
97th 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 (27,361 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Syeda Khan, MD

Fort Myers, FL 33908

★★★★★ 4.8 (15)
83rd 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 (3,778 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.8
★★★★★ 4.8 (18)
93rd 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 (4,916 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Janet Pedro, MD

Georgetown, DE 19947

★★★★★ 4.8 (18)
30th 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 (2,416 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Chao-Ming Lu, MD

Hacienda Heights, CA 91745

★★★★★ 4.8 (18)
73rd 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 (3,241 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.8

Dr. Tanvi Rege, MD

Bronx, NY 10461

★★★★★ 4.8 (22)
94th 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 (1,353 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.7

Dr. Kelly Burdge, MD

Danvers, MA 01923

★★★★★ 4.7 (17)
64th 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 (1,771 CMS services/yr).

✓ Accepts Aetna ~$224 Cash
Nephrology ★ 4.8

Dr. Taweh Beysolow, MD

Key West, FL 33040

★★★★★ 4.7 (21)
93rd 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 (5,548 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.8

Dr. Jay Chu, MD

Las Vegas, NV 89146

★★★★★ 4.7 (24)
98th 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 (5,743 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Norbert Shtaynberg, DO

Staten Island, NY 10305

★★★★★ 4.7 (16)
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 (42,599 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.7

Dr. Saatiah Jaffry, MD

Sebastian, FL 32958

★★★★★ 4.7 (24)
63rd 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 (2,578 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.7

Dr. Nimesh Shah, MD

Hollis, NY 11423

★★★★★ 4.7 (16)
66th 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 (2,454 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.8

Dr. Anastasios Papanagnou, MD

Putnam Valley, NY 10579

★★★★★ 4.7 (16)
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 (1,467 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.8

Dr. Byron Nielsen, MD

Yankton, SD 57078

★★★★★ 4.7 (15)
94th SD 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 (63,811 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Sadaf Elahi, MD

Lagrange, IL 60525

★★★★★ 4.7 (15)
71st 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 (2,846 CMS services/yr).

✓ Accepts Aetna ~$218 Cash
Nephrology ★ 4.7

Dr. Randy Gertner, MD

Fredericksburg, VA 22401

★★★★★ 4.7 (15)
80th 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 (3,088 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Sundararajan Venkatesh, MD

Hendersonville, TN 37075

★★★★★ 4.7 (15)
58th 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 (2,538 CMS services/yr).

✓ Accepts Aetna ~$201 Cash
Nephrology ★ 4.7

Dr. Narayan Agrawal, MD

Fresh Meadows, NY 11366

★★★★★ 4.7 (15)
69th 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 (2,659 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.7

Dr. Mohammed Ahmed, MD

Morristown, TN 37814

★★★★★ 4.7 (15)
48th 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 (2,079 CMS services/yr).

✓ Accepts Aetna ~$201 Cash
Nephrology ★ 4.6

Dr. Elias Pitaras, MD

Mayfield, KY 42066

★★★★★ 4.7 (15)
47th 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 (2,004 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Joscelyn Singh, MD

Ormond Beach, FL 32174

★★★★★ 4.7 (15)
10th 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 (892 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.8

Dr. Ezra Israel, MD

Brooklyn, NY 11229

★★★★★ 4.7 (18)
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 (24,573 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.8

Dr. Renee Ellis, MD

Columbia, SC 29203

★★★★★ 4.7 (22)
90th 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 (5,196 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Daniel Richey, DO

Fort Worth, TX 76104

★★★★★ 4.7 (18)
94th 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 (5,869 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Drew Heiple, MD

Russellville, AR 72801

★★★★★ 4.7 (17)
60th AR 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 (2,413 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Jackson Wang, MD

Grass Valley, CA 95949

★★★★★ 4.7 (17)
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 (1,773 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.8

Dr. Yonatan Peleg, MD

Chicago, IL 60611

★★★★★ 4.7 (21)
88th 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 (1,489 CMS services/yr).

✓ Accepts Aetna ~$222 Cash
Nephrology ★ 4.8

Dr. Aroti Hegde, MD

Mc Lean, VA 22101

★★★★★ 4.7 (24)
89th 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 (5,830 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Anas Kayal, MD

San Marcos, CA 92078

★★★★★ 4.7 (16)
90th 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 (7,120 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.8

Dr. Oladapo Afolabi, MD

Fort Worth, TX 76110

★★★★★ 4.7 (20)
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 (14,866 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Rabih Bazzi, MD

Dearborn, MI 48124

★★★★★ 4.7 (20)
70th 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 (2,208 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Harminder Sandhu, MD

Washington, DC 20010

★★★★★ 4.7 (16)
94th 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 (3,375 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Harneet Kaur, MD

Morganville, NJ 07751

★★★★★ 4.7 (20)
7th 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 (827 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.