Looking for a specialist who listens and takes your insurance? Ask patients in our community. Compare real-world patient outcomes, lab numbers, and doctor visit tips—100% free with a private @handle and zero login wall.
Click to Ask a Question or Post Your Experience ▾
Post to Gut, Labs & Supplements Space (15 Seconds • No Account or Email Required)
Or read existing discussions in Gut, Labs & Supplements Space →
749,040 Verified U.S. Physicians • 51 States & Territories • Zero Sponsored Placements
Preparing for an appointment? Jump to our 60-Second Visit Script Builder ↓

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 26 of 66
Nephrology ★ 4.8
★★★★★ 4.9 (17)
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 (3,602 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.6

Dr. Oliver Songlingco, MD

Saint Joseph, MI 49085

★★★★★ 4.9 (17)
46th 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 (1,517 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.5

Dr. Vikram Suri, MD

Berkeley, CA 94705

★★★★★ 4.9 (21)
18th 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 (1,142 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.6
★★★★★ 4.9 (21)
34th 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 (1,776 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.5

Dr. Sourabh Kharait, MD

New York, NY 10032

★★★★★ 4.9 (17)
17th 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 (830 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.5

Dr. Ala Abudayyeh, MD

Houston, TX 77030

★★★★★ 4.9 (21)
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 (882 CMS services/yr).

✓ Accepts Medicare Part B ~$212 Cash
Nephrology ★ 4.8

Dr. Pratima Ghimire, MD

Peabody, MA 01960

★★★★★ 4.9 (21)
79th 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 (2,236 CMS services/yr).

✓ Accepts Medicare Part B ~$224 Cash
Nephrology ★ 4.5

Dr. Louis Damian, MD

Port Charlotte, FL 33952

★★★★★ 4.9 (21)
21st 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 (1,293 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.6

Dr. Michael Haderlie, MD

Chubbuck, ID 83202

★★★★★ 4.9 (21)
47th ID 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 (1,549 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Edgard Wehbe, MD

Wichita, KS 67214

★★★★★ 4.8 (16)
78th KS 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 (6,287 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Sandeep Munjal, MD

Jacksonville, FL 32258

★★★★★ 4.8 (16)
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 (6,335 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.8

Dr. Son Dinh, MD

Fountain Valley, CA 92708

★★★★★ 4.8 (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 (6,905 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.7

Dr. Norma Wenger, MD

Rockville Centre, NY 11570

★★★★★ 4.8 (16)
88th 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 (6,522 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash
Nephrology ★ 4.8
★★★★★ 4.8 (20)
94th 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 (9,781 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Douglas Lax, DO

Rockville Centre, NY 11570

★★★★★ 4.8 (16)
90th 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 (7,102 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash
Nephrology ★ 4.7

Dr. Nadeem Haider, MD

Brick, NJ 08724

★★★★★ 4.8 (24)
70th 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 (2,985 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Romanita Nica, MD

Prescott, AZ 86301

★★★★★ 4.8 (24)
74th 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 (3,870 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.8

Dr. Hyung Lim, MD

Bel Air, MD 21014

★★★★★ 4.8 (24)
90th 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 (3,348 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Philip Yang, MD

Fountain Valley, CA 92708

★★★★★ 4.8 (16)
87th 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 (5,473 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.8

Dr. Sreedhar Adapa, MD

Visalia, CA 93277

★★★★★ 4.8 (24)
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 (24,816 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.8

Dr. Sunil Akkina, MD

Mansfield, OH 44906

★★★★★ 4.8 (16)
86th 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 (2,444 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8

Dr. Daran Glenn, MD

Midlothian, VA 23114

★★★★★ 4.8 (16)
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 (3,110 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Asif Ansari, MD

Odessa, TX 79761

★★★★★ 4.8 (20)
91st 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 (5,235 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.6

Dr. Raja Zabaneh, MD

Shreveport, LA 71101

★★★★★ 4.8 (20)
69th 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 (2,348 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Rachel Colvin, DO

Goshen, NY 10924

★★★★★ 4.8 (20)
80th 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 (4,432 CMS services/yr).

✓ Accepts Medicare Part B ~$232 Cash
Nephrology ★ 4.6

Dr. Edward Fabelo, MD

St. Petersburg, FL 33705

★★★★★ 4.8 (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 (2,588 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.8

Dr. Faysal Yousefi, MD

Las Vegas, NV 89117

★★★★★ 4.8 (16)
86th 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 (2,979 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Daniel Rakowski, MD

Chesapeake, VA 23320

★★★★★ 4.8 (20)
61st 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 (2,175 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Vinh Cam, MD

Torrance, CA 90505

★★★★★ 4.8 (16)
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 (3,418 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.6

Dr. Junaid Ahmed, MD

Temple Terrace, FL 33637

★★★★★ 4.8 (24)
51st 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 (2,201 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.7

Dr. Sunil Sherchan, MD

Lawton, OK 73505

★★★★★ 4.8 (20)
91st OK 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 (4,823 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.8
★★★★★ 4.8 (20)
79th 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 (4,599 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.8

Dr. Andrew King, MD

LA Jolla, CA 92037

★★★★★ 4.8 (16)
81st 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 (4,458 CMS services/yr).

✓ Accepts Medicare Part B ~$239 Cash
Nephrology ★ 4.6

Dr. Zahid Iqbal, MD

Huntington, WV 25702

★★★★★ 4.8 (24)
50th 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 (1,932 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Jon Thornton, MD

Hattiesburg, MS 39401

★★★★★ 4.8 (20)
54th 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 (1,825 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7

Dr. Raul Santos, MD

Thomasville, GA 31792

★★★★★ 4.8 (20)
69th 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 (2,575 CMS services/yr).

✓ Accepts Medicare Part B ~$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.