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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 63 of 66
Nephrology ★ 4.5

Dr. Robert Farkas, MD

Dallas, TX 75240

★★★★★ 4.5 (26)
46th 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 (1,711 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$211 Cash
Nephrology ★ 4.4

Dr. Hye-Ran Park, MD

Springfield, PA 19064

★★★★★ 4.5 (18)
35th 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 (1,217 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.3

Dr. Loyd High, MD

Hattiesburg, MS 39401

★★★★★ 4.5 (22)
4th 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 (921 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Galo Garces, MD

Denver, CO 80220

★★★★★ 4.5 (18)
64th CO 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 (1,317 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$213 Cash
Nephrology ★ 4.6

Dr. Tamer Ahmed, MD

Melbourne, FL 32901

★★★★★ 4.5 (21)
84th 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 (3,960 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$216 Cash
Nephrology ★ 4.6

Dr. Ryan Haulk, MD

Louisville, KY 40205

★★★★★ 4.5 (21)
83rd 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 (3,341 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Corinne Mbakop, MD

Evansville, IN 47710

★★★★★ 4.5 (21)
83rd 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 (3,016 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Samir Sutaria, MD

Edison, NJ 08820

★★★★★ 4.5 (25)
86th 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 (4,446 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.7

Dr. Mark Barats, MD

West Hollywood, CA 90046

★★★★★ 4.5 (21)
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 (28,820 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$239 Cash
Nephrology ★ 4.5

Dr. Sudhir Joshi, MD

Bakersfield, CA 93308

★★★★★ 4.5 (17)
55th 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 (2,269 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$239 Cash
Nephrology ★ 4.6

Dr. Shalini Patel, MD

Highland Park, IL 60035

★★★★★ 4.5 (21)
91st 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 (4,639 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$218 Cash
Nephrology ★ 4.5

Dr. Nathaniel Ho, MD

Laguna Hills, CA 92653

★★★★★ 4.5 (21)
60th 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 (2,494 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$239 Cash
Nephrology ★ 4.7

Dr. Ahmed Amini, DO

Newport News, VA 23602

★★★★★ 4.5 (25)
92nd 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 (6,568 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5
★★★★★ 4.5 (25)
61st 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 (2,280 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Vikram Verma, MD

Allentown, PA 18103

★★★★★ 4.5 (17)
87th 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 (2,316 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Robert Fleyshman, MD

Cherry Hill, NJ 08034

★★★★★ 4.5 (17)
44th 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 (1,889 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Michael Rokaw, MD

Shreveport, LA 71101

★★★★★ 4.5 (17)
61st 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 (2,262 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Rizwan Qazi, MD

Las Vegas, NV 89146

★★★★★ 4.5 (21)
56th 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 (1,960 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Naveen Reddy, MD

Lombard, IL 60148

★★★★★ 4.5 (17)
49th 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 (2,057 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$218 Cash
Nephrology ★ 4.5

Dr. Steven Ledesma, MD

Oxnard, CA 93036

★★★★★ 4.5 (25)
54th 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 (2,253 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$239 Cash
Nephrology ★ 4.6

Dr. Tewabe Kebede, MD

Kansas City, MO 64132

★★★★★ 4.5 (21)
61st 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 (1,671 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Wen Shen, MD

Washington, DC 20007

★★★★★ 4.5 (25)
70th 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 (2,451 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Azhar Malik, MD

Temple Terrace, FL 33637

★★★★★ 4.5 (25)
46th 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 (2,039 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$216 Cash
Nephrology ★ 4.4

Dr. Anwar Ahmed, MD

Cedar Rapids, IA 52401

★★★★★ 4.5 (25)
20th 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 (1,379 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Chukwuma Eze, MD

Dayton, OH 45459

★★★★★ 4.5 (25)
69th 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 (1,672 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Leo Ovadje, MD

Stockbridge, GA 30281

★★★★★ 4.5 (17)
42nd 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 (1,700 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Reena Samuel, MD

Portsmouth, OH 45662

★★★★★ 4.5 (21)
53rd 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 (1,401 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.5

Dr. Giselle Kohler, MD

Springfield, MO 65804

★★★★★ 4.5 (25)
50th 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 (1,441 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.4

Dr. Asif Rahman, MD

Charleston, WV 25304

★★★★★ 4.5 (21)
41st 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 (1,598 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.4
★★★★★ 4.5 (25)
29th 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 (1,115 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$222 Cash
Nephrology ★ 4.4

Dr. John Gray, MD

Brooklyn Center, MN 55430

★★★★★ 4.5 (21)
32nd 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 (872 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Caridad Rebollar, MD

San Antonio, TX 78223

★★★★★ 4.5 (21)
72nd 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 (2,799 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. John Garton, MD

Canton, OH 44708

★★★★★ 4.5 (21)
95th 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 (3,642 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.6

Dr. Lin Li, MD

Bellevue, WA 98004

★★★★★ 4.5 (25)
69th 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 (1,993 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$222 Cash
Nephrology ★ 4.5

Dr. Alexis Argoudelis, MD

Saint Louis, MO 63141

★★★★★ 4.5 (21)
44th 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 (1,319 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$209 Cash
Nephrology ★ 4.3

Dr. Jonathan Cole, MD

Mobile, AL 36608

★★★★★ 4.5 (25)
20th AL 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 (1,229 CMS services/yr).

✓ Accepts BlueCross BlueShield ~$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.