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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 18 of 66
Nephrology ★ 4.8
★★★★★ 4.9 (20)
74th 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 (2,023 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Syed Zaidi, MD

Conroe, TX 77304

★★★★★ 4.9 (24)
84th 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 (3,689 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Tal Ronen, MD

Middletown, NY 10941

★★★★★ 4.9 (24)
85th 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 (5,217 CMS services/yr).

✓ Accepts Aetna ~$232 Cash
Nephrology ★ 4.8

Dr. Gopal Krishna, MD

Salinas, CA 93901

★★★★★ 4.9 (20)
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 (31,733 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.5

Dr. James Weltman, DO

Las Vegas, NV 89146

★★★★★ 4.9 (16)
21st 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 (1,360 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Raj Halker, MD

Fort Worth, TX 76110

★★★★★ 4.9 (16)
87th 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 (3,997 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Saeed Kronfli, MD

Takoma Park, MD 20912

★★★★★ 4.9 (16)
69th 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 (2,247 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Maria Valcarcel, MD

Fort Wayne, IN 46804

★★★★★ 4.9 (16)
71st 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 (2,214 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Dimpu Patel, MD

Gainesville, GA 30501

★★★★★ 4.9 (16)
64th 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 (2,241 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8

Dr. Rama Reddy, MD

Orange Park, FL 32073

★★★★★ 4.9 (24)
78th 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 (3,404 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.7

Dr. Ahmad Anjak, MD

Cincinnati, OH 45219

★★★★★ 4.9 (24)
67th 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 (1,603 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Iryna Patel, MD

Reno, NV 89511

★★★★★ 4.9 (20)
26th 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 (1,486 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Nirav Gandhi, MD

Anaheim, CA 92801

★★★★★ 4.9 (24)
68th 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 (2,901 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.9

Dr. Krunal Patel, MD

Portsmouth, VA 23703

★★★★★ 4.9 (16)
96th 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 (9,358 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. Malgorzata Kochanek, MD

Park Ridge, IL 60068

★★★★★ 4.9 (16)
55th 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 (2,299 CMS services/yr).

✓ Accepts Aetna ~$218 Cash
Nephrology ★ 4.6

Dr. Usman Lone, MD

Clermont, FL 34711

★★★★★ 4.9 (24)
24th 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 (1,381 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.6

Dr. Ranine Ghamrawi, MD

Wilmington, DE 19805

★★★★★ 4.9 (16)
32nd 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 (2,438 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. James Yegge, MD

Baton Rouge, LA 70808

★★★★★ 4.9 (24)
51st 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 (1,886 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.7

Dr. John Riordan, MD

San Francisco, CA 94115

★★★★★ 4.9 (16)
48th 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 (2,049 CMS services/yr).

✓ Accepts Aetna ~$250 Cash
Nephrology ★ 4.7

Dr. Kevin Mcconnell, MD

Charlottesville, VA 22911

★★★★★ 4.9 (16)
29th 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 (1,323 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Xavier Vela Parada, MD

Worcester, MA 01655

★★★★★ 4.9 (24)
22nd 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 (948 CMS services/yr).

✓ Accepts Aetna ~$224 Cash
Nephrology ★ 4.6

Dr. Alexander Hadley, MD

Winston Salem, NC 27103

★★★★★ 4.9 (16)
30th 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 (1,243 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Ashton Breithaupt, DO

Knoxville, TN 37923

★★★★★ 4.9 (20)
35th 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 (1,479 CMS services/yr).

✓ Accepts Aetna ~$201 Cash
Nephrology ★ 4.8
★★★★★ 4.9 (24)
92nd 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 (2,940 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Scott Benson, DO

Hartford, CT 06106

★★★★★ 4.9 (16)
51st CT 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 (1,460 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.8
★★★★★ 4.9 (20)
75th 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 (1,126 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Lan Quang, MD

Stockton, CA 95204

★★★★★ 4.9 (24)
22nd 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 (1,231 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.5

Dr. Marnie Marker, MD

Wheeling, WV 26003

★★★★★ 4.9 (24)
13th 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 (982 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.6

Dr. Koteswari Kancha, MD

Jacksonville, FL 32258

★★★★★ 4.9 (20)
40th 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 (1,893 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.5
★★★★★ 4.9 (20)
29th 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 (1,497 CMS services/yr).

✓ Accepts Aetna ~$216 Cash
Nephrology ★ 4.7

Dr. Abraham Ramos, MD

Miami, FL 33136

★★★★★ 4.9 (16)
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 (2,069 CMS services/yr).

✓ Accepts Aetna ~$227 Cash
Nephrology ★ 4.5

Dr. Laura Mulloy, DO

Augusta, GA 30912

★★★★★ 4.9 (20)
16th 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 (981 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Vincent Tjia, MD

Austin, TX 78704

★★★★★ 4.9 (20)
11th 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 (879 CMS services/yr).

✓ Accepts Aetna ~$211 Cash
Nephrology ★ 4.9
★★★★★ 4.9 (24)
91st 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 (1,437 CMS services/yr).

✓ Accepts Aetna ~$239 Cash
Nephrology ★ 4.9

Dr. Matthew Blum, MD

Madison, WI 53792

★★★★★ 4.9 (20)
91st WI 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 (934 CMS services/yr).

✓ Accepts Aetna ~$209 Cash
Nephrology ★ 4.5

Dr. Syed Hussain, MD

Galveston, TX 77555

★★★★★ 4.9 (24)
24th 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 (1,149 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.