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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 54 of 66
Nephrology ★ 4.4

Dr. Navdeep Dhillon, MD

Livingston, NJ 07039

★★★★★ 4.6 (17)
17th 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 (1,092 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.3

Dr. Natalie Mccall, MD

Nashville, TN 37232

★★★★★ 4.6 (17)
3rd 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 (687 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$202 Cash
Nephrology ★ 4.6

Dr. Shehpar Khan, MD

Baytown, TX 77521

★★★★★ 4.6 (21)
51st 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 (1,884 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.7

Dr. Michael Brucculeri, MD

Clearwater, FL 33756

★★★★★ 4.6 (20)
95th 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 (6,278 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.7

Dr. Boutros El-Haddad, MD

Louisville, KY 40205

★★★★★ 4.6 (16)
85th 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 (3,373 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Kambiz Vahabzadeh, MD

West Hollywood, CA 90048

★★★★★ 4.6 (24)
75th 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 (3,508 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.6
★★★★★ 4.6 (16)
65th 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 (2,617 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.7

Dr. Aamir Iqbal, MD

Shelby, NC 28150

★★★★★ 4.6 (24)
97th 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 (9,372 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.7

Dr. Billy Hour, MD

Mission Hills, CA 91345

★★★★★ 4.6 (16)
82nd 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 (4,559 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.5

Dr. Donn Hogan, MD

Scottsdale, AZ 85258

★★★★★ 4.6 (16)
52nd 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 (2,318 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$210 Cash
Nephrology ★ 4.7

Dr. Thanh Nguyen, MD

Merced, CA 95340

★★★★★ 4.6 (24)
71st 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 (3,124 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.5

Dr. Ryann Pangan, MD

Ashland, KY 41101

★★★★★ 4.6 (24)
37th 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 (1,772 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Navneet Kaur, MD

Bethpage, NY 11714

★★★★★ 4.6 (20)
49th 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 (1,461 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$232 Cash
Nephrology ★ 4.7

Dr. Asan Ariff, MD

Peoria, AZ 85381

★★★★★ 4.6 (16)
89th 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 (6,505 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$207 Cash
Nephrology ★ 4.6

Dr. Syed Imam, MD

Galesburg, IL 61401

★★★★★ 4.6 (20)
66th 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 (2,663 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$218 Cash
Nephrology ★ 4.7

Dr. Samir Shabshab, MD

Clinton, MD 20735

★★★★★ 4.6 (20)
95th 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 (2,008 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Dhiren Haria, MD

Owensboro, KY 42303

★★★★★ 4.6 (16)
52nd 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 (2,232 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Herbert Tiquia, MD

Garden Grove, CA 92843

★★★★★ 4.6 (20)
65th 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 (2,710 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.6

Dr. Daniel Habeeb, MD

Hattiesburg, MS 39401

★★★★★ 4.6 (24)
48th 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 (1,746 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Melissa Aleta, MD

San Angelo, TX 76903

★★★★★ 4.6 (24)
51st 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 (1,879 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.7

Dr. Doreen Bett, DO

Lancaster, PA 17604

★★★★★ 4.6 (20)
64th 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 (1,673 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Sammy Moghazi, MD

Raleigh, NC 27609

★★★★★ 4.6 (20)
57th 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 (1,695 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Karen Dah, MD

Salisbury, MD 21804

★★★★★ 4.6 (16)
56th 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 (1,831 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.4

Dr. Mustafa Saidi, MD

Fredericksburg, VA 22401

★★★★★ 4.6 (20)
26th 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 (1,286 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Megan May, MD

Salinas, CA 93901

★★★★★ 4.6 (16)
92nd 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 (8,093 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.6

Dr. Brijendra Gupta, MD

Jacksonville, FL 32204

★★★★★ 4.6 (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 (2,551 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.4

Dr. Daphne Bilbrew, MD

Flowood, MS 39232

★★★★★ 4.6 (24)
36th 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 (1,620 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Joshua Sadolf, MD

Huntersville, NC 28078

★★★★★ 4.6 (24)
64th 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 (2,267 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.4

Dr. Maria Llanos, DO

South Miami, FL 33143

★★★★★ 4.6 (20)
15th 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 (1,100 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.4

Dr. James Sterrett, MD

Naples, FL 34119

★★★★★ 4.6 (20)
30th 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 (1,569 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.4

Dr. Anil Asgaonkar, MD

Corinth, TX 76208

★★★★★ 4.6 (24)
36th 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 (1,461 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.5

Dr. Jason Merritt, MD

Fort Collins, CO 80525

★★★★★ 4.6 (24)
43rd 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 (1,135 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$211 Cash
Nephrology ★ 4.6

Dr. Edward Hoehn-Saric, MD

Pinehurst, NC 28374

★★★★★ 4.6 (16)
40th 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 (1,377 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$209 Cash
Nephrology ★ 4.6

Dr. Eric Chang, MD

Sacramento, CA 95825

★★★★★ 4.6 (20)
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 (2,260 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$239 Cash
Nephrology ★ 4.6

Dr. Farhan Abid, MD

Pembroke Pines, FL 33028

★★★★★ 4.6 (16)
64th 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 (2,611 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, Aetna) ~$216 Cash
Nephrology ★ 4.4

Dr. Rasheed Balogun, MD

Charlottesville, VA 22908

★★★★★ 4.6 (20)
11th 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 (873 CMS services/yr).

✓ Accepts Medicare & Major PPOs (BCBS, UHC, 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.