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 2 of 66
Nephrology ★ 4.8

Dr. Ghayyath Sultan, MD

Houston, TX 77070

★★★★★ 4.7 (25)
96th 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 (6,729 CMS services/yr).

✓ Accepts Humana ~$212 Cash
Nephrology ★ 4.6

Dr. Ganesh Kambhampati, MD

Woodland, CA 95695

★★★★★ 4.7 (25)
50th 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 (2,083 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.8

Dr. David Amrose, MD

Jupiter, FL 33458

★★★★★ 5.0 (26)
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 (5,802 CMS services/yr).

✓ Accepts Humana ~$216 Cash
Nephrology ★ 4.8

Dr. Peter Juran, MD

Evansville, IN 47713

★★★★★ 5.0 (26)
87th 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 (3,355 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8

Dr. Rohit Pankhaniya, MD

Port Charlotte, FL 33952

★★★★★ 5.0 (26)
90th 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 (4,696 CMS services/yr).

✓ Accepts Humana ~$216 Cash
Nephrology ★ 4.8

Dr. Nand Wadhwa, MD

East Setauket, NY 11733

★★★★★ 5.0 (26)
91st 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 (7,401 CMS services/yr).

✓ Accepts Humana ~$232 Cash
Nephrology ★ 4.8
★★★★★ 5.0 (26)
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 (4,127 CMS services/yr).

✓ Accepts Humana ~$211 Cash
Nephrology ★ 4.8

Dr. Melissa Go, MD

Phoenix, AZ 85004

★★★★★ 5.0 (26)
72nd 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 (3,542 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.7

Dr. Tausif Zar, MD

Tucson, AZ 85712

★★★★★ 5.0 (26)
49th 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 (2,270 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.6

Dr. Ritu Vyas, MD

Catonsville, MD 21228

★★★★★ 5.0 (26)
23rd 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 (1,309 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Dongqi Liu, MD

Worcester, MA 01655

★★★★★ 5.0 (26)
34th 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 (1,116 CMS services/yr).

✓ Accepts Humana ~$224 Cash
Nephrology ★ 4.5

Dr. Parul Patel, MD

San Francisco, CA 94109

★★★★★ 5.0 (26)
15th 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 (1,040 CMS services/yr).

✓ Accepts Humana ~$250 Cash
Nephrology ★ 4.6

Dr. Xin Yee Tan, MD

Kingman, AZ 86401

★★★★★ 5.0 (26)
37th 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 (1,847 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.6

Dr. Christopher Marshall, DO

Winston Salem, NC 27103

★★★★★ 5.0 (26)
27th 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 (1,174 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Mohan Abraham, MD

Royal Palm Beach, FL 33411

★★★★★ 5.0 (26)
27th 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 (1,442 CMS services/yr).

✓ Accepts Humana ~$216 Cash
Nephrology ★ 4.6

Dr. Elizabeth Kurtz, MD

Pittsburgh, PA 15213

★★★★★ 5.0 (26)
18th 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 (897 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Abbas Raza, DO

Cherry Hill, NJ 08034

★★★★★ 5.0 (26)
21st 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 (1,181 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Mita Shah, MD

San Diego, CA 92103

★★★★★ 5.0 (26)
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 (1,126 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.8

Dr. Salil Gupta, MD

North Syracuse, NY 13212

★★★★★ 4.9 (25)
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 (42,594 CMS services/yr).

✓ Accepts Humana ~$232 Cash
Nephrology ★ 4.8

Dr. Sevag Balikian, MD

Pasadena, CA 91106

★★★★★ 4.9 (25)
86th 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 (5,313 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.8

Dr. Kashaf Rasheed, MD

Little Rock, AR 72205

★★★★★ 4.9 (25)
84th 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 (3,693 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8

Dr. Jaswinder Rattan, MD

Fort Worth, TX 76110

★★★★★ 4.9 (25)
78th 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 (3,161 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Yelena Mushiyakh, MD

Philadelphia, PA 19152

★★★★★ 4.9 (25)
56th 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 (1,555 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Lisa Roberts, MD

Anchorage, AK 99508

★★★★★ 4.9 (25)
33rd AK 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 (2,190 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Hani Erian, MD

Pittsfield, MA 01201

★★★★★ 4.9 (25)
48th 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 (1,395 CMS services/yr).

✓ Accepts Humana ~$224 Cash
Nephrology ★ 4.7

Dr. Phillip Timmons, MD

Raleigh, NC 27609

★★★★★ 4.9 (25)
45th 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 (1,457 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8

Dr. Sudip Ghimire, MD

Newport News, VA 23602

★★★★★ 4.9 (25)
83rd 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 (3,897 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Piper Hughes, MD

Roseville, CA 95661

★★★★★ 4.9 (25)
32nd 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 (1,586 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.6

Dr. Mamoun Bashir, MD

Midland, TX 79703

★★★★★ 4.9 (25)
40th 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 (1,558 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Jennifer Tuazon, MD

Chicago, IL 60611

★★★★★ 4.9 (25)
38th 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 (1,777 CMS services/yr).

✓ Accepts Humana ~$222 Cash
Nephrology ★ 4.8

Dr. Douglas Nicholson, DO

Rock Hill, SC 29732

★★★★★ 4.9 (25)
75th 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 (3,721 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Abubakr Abdelaziz, MD

Kingman, AZ 86401

★★★★★ 4.9 (25)
63rd 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 (2,900 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.7

Dr. Grace Lin, MD

Whittier, CA 90602

★★★★★ 4.9 (25)
42nd 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 (1,872 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.5

Dr. Asha Sasimangalam, MD

Glendale, AZ 85305

★★★★★ 4.9 (25)
29th 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 (1,634 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.6

Dr. Adam Bregman, MD

Madison, WI 53792

★★★★★ 4.9 (25)
29th 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 (931 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Nirmala Yadla, MD

Greenbelt, MD 20770

★★★★★ 4.9 (25)
40th 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 (1,587 CMS services/yr).

✓ Accepts Humana ~$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.