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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 46 of 66
Nephrology ★ 4.5

Dr. Nayan Gowda, MD

Lombard, IL 60148

★★★★★ 4.7 (23)
44th 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 (1,916 CMS services/yr).

✓ Accepts Cigna ~$218 Cash
Nephrology ★ 4.6

Dr. Haresh Khilnani, MD

Arcadia, CA 91006

★★★★★ 4.7 (19)
79th 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 (4,058 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.7

Dr. Glenn Ladinsky, MD

Upland, PA 19013

★★★★★ 4.7 (19)
69th 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 (1,819 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Bhupesh Khadka, MD

Cincinnati, OH 45245

★★★★★ 4.7 (23)
48th 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 (1,335 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Paul Huynh, DO

Moreno Valley, CA 92553

★★★★★ 4.7 (15)
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 (5,299 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.5

Dr. Steven Ong, MD

Fairfield, CA 94534

★★★★★ 4.7 (15)
33rd 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 (1,604 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.7

Dr. Vinay Acharya, MD

Mckinney, TX 75069

★★★★★ 4.7 (15)
98th 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 (2,621 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.4
★★★★★ 4.7 (15)
27th 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 (1,292 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Parker Hughes, DO

Clarksville, TN 37043

★★★★★ 4.7 (19)
39th 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 (1,639 CMS services/yr).

✓ Accepts Cigna ~$201 Cash
Nephrology ★ 4.6

Dr. Bicheng Nan, MD

Laredo, TX 78041

★★★★★ 4.7 (15)
68th 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 (2,621 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Douglas Amare, MD

Mobile, AL 36608

★★★★★ 4.7 (19)
44th 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 (1,680 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Melissa Anderson, MD

Indianapolis, IN 46227

★★★★★ 4.7 (19)
74th 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 (2,355 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. William Wilmer, MD

Westerville, OH 43081

★★★★★ 4.7 (23)
45th 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 (1,293 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Beth Bouthot, MD

Burlington, MA 01805

★★★★★ 4.7 (23)
55th 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 (1,523 CMS services/yr).

✓ Accepts Cigna ~$224 Cash
Nephrology ★ 4.5

Dr. Jorge Serna, MD

El Paso, TX 79902

★★★★★ 4.7 (19)
29th 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 (1,283 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Arjun Sharma, MD

Fort Collins, CO 80525

★★★★★ 4.7 (15)
42nd 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 (1,119 CMS services/yr).

✓ Accepts Cigna ~$211 Cash
Nephrology ★ 4.6

Dr. Nathan Chamberlain, MD

Chattanooga, TN 37404

★★★★★ 4.7 (26)
85th 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 (8,210 CMS services/yr).

✓ Accepts Cigna ~$201 Cash
Nephrology ★ 4.7
★★★★★ 4.7 (22)
78th 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 (4,165 CMS services/yr).

✓ Accepts Cigna ~$207 Cash
Nephrology ★ 4.6

Dr. Vishwa Sheth, MD

Stockton, CA 95210

★★★★★ 4.7 (22)
67th 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 (2,859 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.7

Dr. Atul Roy, MD

Merced, CA 95348

★★★★★ 4.7 (26)
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 (6,828 CMS services/yr).

✓ Accepts Cigna ~$239 Cash
Nephrology ★ 4.5

Dr. Scott Solcher, MD

Topeka, KS 66606

★★★★★ 4.7 (18)
57th 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 (3,895 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7
★★★★★ 4.7 (26)
97th NE 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 (14,603 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.5

Dr. Mohammad Aslam, MD

Warner Robins, GA 31088

★★★★★ 4.7 (18)
49th 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 (1,812 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7
★★★★★ 4.7 (26)
79th 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 (3,601 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6
★★★★★ 4.7 (18)
85th IA 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 (10,951 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.7

Dr. Eric Kirk, MD

Wilmington, NC 28401

★★★★★ 4.7 (18)
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 (5,757 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Davinder Singh, MD

Arlington, TX 76013

★★★★★ 4.7 (18)
74th 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 (2,894 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Adeel Ijaz, MD

Mckinney, TX 75069

★★★★★ 4.7 (26)
65th 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 (2,481 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Steven Rankin, MD

Royal Oak, MI 48073

★★★★★ 4.7 (18)
73rd 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 (2,256 CMS services/yr).

✓ Accepts Cigna ~$209 Cash
Nephrology ★ 4.6

Dr. Linda Stallings, MD

Pensacola, FL 32504

★★★★★ 4.7 (18)
49th 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 (2,114 CMS services/yr).

✓ Accepts Cigna ~$216 Cash
Nephrology ★ 4.6

Dr. Swetha Nataraj, MD

Fall River, MA 02720

★★★★★ 4.7 (22)
66th 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 (1,787 CMS services/yr).

✓ Accepts Cigna ~$224 Cash
Nephrology ★ 4.6

Dr. Tyler Thorne, DO

Tampa, FL 33614

★★★★★ 4.7 (22)
48th 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 (2,062 CMS services/yr).

✓ Accepts Cigna ~$210 Cash
Nephrology ★ 4.7

Dr. Manoj Bhattarai, MD

Royal Palm Beach, FL 33411

★★★★★ 4.7 (26)
75th 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 (3,258 CMS services/yr).

✓ Accepts Cigna ~$216 Cash
Nephrology ★ 4.8

Dr. Derian Lai, MD

Colorado Springs, CO 80909

★★★★★ 4.7 (22)
97th 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 (4,087 CMS services/yr).

✓ Accepts Cigna ~$211 Cash
Nephrology ★ 4.7

Dr. Mohit Agarwal, MD

Phoenix, AZ 85004

★★★★★ 4.7 (22)
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 (3,117 CMS services/yr).

✓ Accepts Cigna ~$207 Cash
Nephrology ★ 4.7

Dr. Sanju Varghese, MD

Springfield, OH 45503

★★★★★ 4.7 (22)
85th 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 (2,345 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.