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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 27 of 66
Nephrology ★ 4.8

Dr. Adin Boldur, MD

Las Vegas, NV 89146

★★★★★ 4.8 (24)
79th 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 (2,569 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Tamanna Kalra, MD

Monroe, NJ 08831

★★★★★ 4.8 (24)
24th 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 (1,250 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Irmindra Rana, MD

Arlington, VA 22204

★★★★★ 4.8 (24)
63rd 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 (2,213 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Sasmit Roy, MD

Lynchburg, VA 24501

★★★★★ 4.8 (16)
35th 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 (1,556 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Pradeep Thodima, MD

Bloomington, IN 47403

★★★★★ 4.8 (16)
38th 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 (1,529 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Khalid Elharrif, MD

Olympia Fields, IL 60461

★★★★★ 4.8 (24)
33rd 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 (1,632 CMS services/yr).

✓ Accepts Cigna ~$218 Cash
Nephrology ★ 4.7

Dr. Kevin Huang, MD

Whittier, CA 90602

★★★★★ 4.8 (24)
44th 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 (1,919 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.5

Dr. Karthik Karanam, MD

Florence, SC 29506

★★★★★ 4.8 (24)
33rd 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 (1,856 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Novia Singh, DO

Baltimore, MD 21202

★★★★★ 4.8 (16)
32nd 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 (1,463 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Soja Thakar, MD

Wayne, NJ 07470

★★★★★ 4.8 (24)
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 (1,190 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Adarsh Bhat, MD

Roseville, CA 95661

★★★★★ 4.8 (20)
30th 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 (1,485 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.8

Dr. Gerald Grodstein, MD

Englewood, NJ 07631

★★★★★ 4.8 (16)
82nd 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 (3,881 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Lissa Levin Mizrahi, MD

Philadelphia, PA 19102

★★★★★ 4.8 (16)
12th 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 (806 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Syed Ali, MD

Atlantis, FL 33462

★★★★★ 4.8 (20)
33rd 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 (1,634 CMS services/yr).

✓ Accepts Cigna ~$216 Cash
Nephrology ★ 4.6

Dr. Azita Takeshian, MD

Birmingham, AL 35235

★★★★★ 4.8 (20)
43rd 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 (1,654 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Saurabh Bansal, MD

Westlake, OH 44145

★★★★★ 4.8 (20)
61st 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 (1,488 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Atul Suri, MD

Greenbelt, MD 20770

★★★★★ 4.8 (16)
62nd 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 (1,966 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Iman Khan, MD

Medford, OR 97504

★★★★★ 4.8 (24)
81st OR 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 (6,639 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Kareem Genena, MD

Newark, DE 19713

★★★★★ 4.8 (16)
19th 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 (1,964 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.8

Dr. Suzanne Katsanos, MD

Gastonia, NC 28054

★★★★★ 4.8 (16)
79th 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 (4,177 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Mohammad Amin, MD

Farmington, MO 63640

★★★★★ 4.8 (16)
27th 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 (1,059 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.8
★★★★★ 4.8 (24)
81st 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 (2,833 CMS services/yr).

✓ Accepts Cigna ~$225 Cash
Nephrology ★ 4.6

Dr. Raymond Geherty, MD

Raleigh, NC 27609

★★★★★ 4.8 (24)
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 (1,261 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Teena Tandon, MD

Las Vegas, NV 89118

★★★★★ 4.8 (24)
44th 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 (1,692 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Devin Mckelvey, DO

Philadelphia, PA 19118

★★★★★ 4.8 (16)
49th 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 (1,466 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Gaurav Alreja, MD

Merrillville, IN 46410

★★★★★ 4.8 (16)
65th 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 (2,092 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Priyeshkumar Patel, MD

Charlotte, NC 28215

★★★★★ 4.8 (20)
24th 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 (1,090 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.8

Dr. Rama Kethineni, MBBS

Fayetteville, NC 28304

★★★★★ 4.8 (24)
88th 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 (1,123 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Sharon Maynard, MD

Allentown, PA 18103

★★★★★ 4.8 (16)
17th 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 (885 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Preeti Gurnani, MD

Charlotte, NC 28205

★★★★★ 4.8 (20)
60th 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 (1,809 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Abdallah Alali, MD

Las Vegas, NV 89169

★★★★★ 4.8 (20)
17th 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 (1,277 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Shobana Sivan, MD

Winter Park, FL 32789

★★★★★ 4.8 (16)
13th 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 (1,042 CMS services/yr).

✓ Accepts Cigna ~$216 Cash
Nephrology ★ 4.7

Dr. Kenneth Kokko, MD

Chattanooga, TN 37403

★★★★★ 4.8 (24)
74th 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 (5,018 CMS services/yr).

✓ Accepts Cigna ~$201 Cash
Nephrology ★ 4.6

Dr. Edward Hwang, MD

Gadsden, AL 35901

★★★★★ 4.8 (24)
51st 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 (1,863 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.8

Dr. Vivek Sanghani, MD

Charlotte, NC 28208

★★★★★ 4.8 (24)
92nd 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 (7,297 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. John Stevenson, MD

San Angelo, TX 76903

★★★★★ 4.8 (24)
44th 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 (1,662 CMS services/yr).

✓ Accepts Cigna ~$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.