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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 10 of 66
Nephrology ★ 4.8

Dr. Taurino Avelar, MD

Las Vegas, NV 89146

★★★★★ 4.8 (17)
92nd 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 (3,153 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.7

Dr. Mohammad Shafi, MD

Maryville, TN 37804

★★★★★ 4.8 (17)
42nd 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 (1,790 CMS services/yr).

✓ Accepts Kaiser Permanente ~$201 Cash
Nephrology ★ 4.7

Dr. Dhaval Aghera, MD

Baltimore, MD 21218

★★★★★ 4.8 (17)
75th 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 (2,419 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.6

Dr. Thejas Swamy, MD

Middletown, CT 06457

★★★★★ 4.8 (17)
13th CT 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 (875 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Neeru Kumar, MD

Shirley, NY 11967

★★★★★ 4.8 (16)
95th 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 (11,132 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash
Nephrology ★ 4.8

Dr. Reginald Gladish, MD

Decatur, AL 35601

★★★★★ 4.8 (20)
85th 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 (4,065 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.7

Dr. Ling Yu, MD

Dickson, TN 37055

★★★★★ 4.8 (20)
68th 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 (3,503 CMS services/yr).

✓ Accepts Kaiser Permanente ~$201 Cash
Nephrology ★ 4.8

Dr. Stuart Homer, MD

Avenel, NJ 07001

★★★★★ 4.8 (24)
93rd 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 (7,145 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Malvin Yan, DO

South Gate, CA 90280

★★★★★ 4.8 (16)
91st 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 (7,268 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash
Nephrology ★ 4.9

Dr. Jatinder Kohli, MBBS

Philadelphia, PA 19104

★★★★★ 4.8 (24)
99th 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 (3,703 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Anna Kagan, MD

Houston, TX 77030

★★★★★ 4.8 (15)
94th 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 (5,873 CMS services/yr).

✓ Accepts Kaiser Permanente ~$212 Cash
Nephrology ★ 4.8

Dr. Gaurav Jain, MD

Las Vegas, NV 89146

★★★★★ 4.8 (23)
93rd 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 (3,539 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.9

Dr. Stephen Kemnele, MD

Rockford, IL 61107

★★★★★ 4.8 (23)
96th 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 (2,906 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash
Nephrology ★ 4.7

Dr. Michael Cohen, MD

Reading, MA 01867

★★★★★ 4.8 (15)
50th 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 (1,423 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 Cash
Nephrology ★ 4.7

Dr. Asad Majid, MD

Geneseo, NY 14454

★★★★★ 4.8 (15)
32nd 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 (1,058 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash
Nephrology ★ 4.8

Dr. Mark Kats, MD

Gainesville, GA 30501

★★★★★ 4.8 (18)
96th 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 (12,388 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Rajesh Rajan, MD

Gallipolis, OH 45631

★★★★★ 4.8 (22)
80th 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 (1,957 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Thomas Delgiorno, MD

Philadelphia, PA 19118

★★★★★ 4.8 (22)
82nd 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 (2,148 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.7

Dr. David Martin, MD

Euless, TX 76040

★★★★★ 4.8 (22)
57th 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 (2,089 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Theresa Henke, MD

Los Angeles, CA 90048

★★★★★ 4.8 (18)
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 (4,300 CMS services/yr).

✓ Accepts Kaiser Permanente ~$231 Cash
Nephrology ★ 4.8

Dr. Jeffrey Chen, MD

Monterey, CA 93940

★★★★★ 4.8 (21)
94th 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 (10,318 CMS services/yr).

✓ Accepts Kaiser Permanente ~$239 Cash
Nephrology ★ 4.8

Dr. Anas Kizawi, MD

Milwaukee, WI 53215

★★★★★ 4.8 (17)
94th 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 (3,640 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Indira Chervu, MD

Marietta, GA 30060

★★★★★ 4.8 (21)
92nd 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 (7,850 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.7

Dr. Mohammed Rahman, MD

Lady Lake, FL 32159

★★★★★ 4.8 (17)
67th 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 (2,731 CMS services/yr).

✓ Accepts Kaiser Permanente ~$216 Cash
Nephrology ★ 4.7
★★★★★ 4.8 (17)
57th 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 (1,865 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.6
★★★★★ 4.8 (21)
9th 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 (907 CMS services/yr).

✓ Accepts Kaiser Permanente ~$218 Cash
Nephrology ★ 4.7

Dr. Shahabul Arfeen, MD

Michigan City, IN 46360

★★★★★ 4.8 (17)
49th 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 (1,702 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Paramveer Saluja, MD

El Paso, TX 79935

★★★★★ 4.8 (16)
89th 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 (4,420 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8
★★★★★ 4.8 (16)
82nd 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 (5,133 CMS services/yr).

✓ Accepts Kaiser Permanente ~$207 Cash
Nephrology ★ 4.8

Dr. Sayed Ali, MD

Troy, OH 45373

★★★★★ 4.8 (16)
78th 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 (1,884 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Priyanka Govindan, MD

Fort Collins, CO 80525

★★★★★ 4.8 (24)
98th 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 (1,432 CMS services/yr).

✓ Accepts Kaiser Permanente ~$211 Cash
Nephrology ★ 4.8

Dr. Zeyad Morcos, MD

Kirkland, WA 98034

★★★★★ 4.8 (24)
87th 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 (615 CMS services/yr).

✓ Accepts Kaiser Permanente ~$222 Cash
Nephrology ★ 4.7

Dr. Adeleye Edon, DO

London, OH 43140

★★★★★ 4.8 (24)
62nd 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 (1,497 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.7

Dr. Mohammad Samih, MD

Ithaca, NY 14850

★★★★★ 4.8 (16)
55th 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 (1,610 CMS services/yr).

✓ Accepts Kaiser Permanente ~$232 Cash
Nephrology ★ 4.8

Dr. Ignazio Fazio, MD

Wayne, NJ 07470

★★★★★ 4.8 (16)
87th 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 (4,568 CMS services/yr).

✓ Accepts Kaiser Permanente ~$209 Cash
Nephrology ★ 4.8

Dr. Samer Nasser, MD

Quincy, MA 02169

★★★★★ 4.8 (19)
95th 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 (10,161 CMS services/yr).

✓ Accepts Kaiser Permanente ~$224 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.