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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 33 of 66
Nephrology ★ 4.6

Dr. Theodore Feely, MD

Birmingham, AL 35211

★★★★★ 4.8 (23)
38th 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 (1,594 CMS services/yr).

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

Dr. Ananda Gurram, MD

Fayetteville, NC 28304

★★★★★ 4.8 (15)
48th 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 (1,573 CMS services/yr).

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

Dr. Sheikh Khalid, MD

Oklahoma City, OK 73104

★★★★★ 4.8 (19)
73rd 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 (860 CMS services/yr).

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

Dr. Kenneth Choi, MD

Merrillville, IN 46410

★★★★★ 4.8 (15)
81st 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 (2,836 CMS services/yr).

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

Dr. Damodar Kumbala, MD

Baton Rouge, LA 70808

★★★★★ 4.8 (23)
55th 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 (2,061 CMS services/yr).

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

Dr. Brian Brady, MD

Stanford, CA 94305

★★★★★ 4.8 (19)
6th 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 (838 CMS services/yr).

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

Dr. Charles Zachem, DO

Eugene, OR 97401

★★★★★ 4.8 (15)
68th 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 (2,544 CMS services/yr).

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

Dr. Shalin Sanghvi, MD

Springfield, OR 97477

★★★★★ 4.8 (19)
77th 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 (4,402 CMS services/yr).

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

Dr. Sriraj Kanungo, MD

Maryville, IL 62062

★★★★★ 4.8 (19)
36th 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 (1,709 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash
Nephrology ★ 4.5

Dr. Moses Aboagye-Kumi, MD

Fayetteville, NC 28304

★★★★★ 4.8 (23)
39th 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 (1,369 CMS services/yr).

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

Dr. Sunita Verma, MD

Modesto, CA 95355

★★★★★ 4.8 (23)
14th 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 (1,019 CMS services/yr).

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

Dr. Stephen Korbet, MD

Chicago, IL 60607

★★★★★ 4.8 (19)
26th 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 (1,315 CMS services/yr).

✓ Accepts Medicare Part B ~$222 Cash
Nephrology ★ 4.5

Dr. Tejas Gopal, MD

Austin, TX 78705

★★★★★ 4.8 (15)
19th 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 (1,038 CMS services/yr).

✓ Accepts Medicare Part B ~$211 Cash
Nephrology ★ 4.8

Dr. Sachin Shrestha, MD

Wynnewood, PA 19096

★★★★★ 4.8 (23)
89th 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 (2,443 CMS services/yr).

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

Dr. Satish Kumar, MD

Oklahoma City, OK 73104

★★★★★ 4.8 (23)
58th 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 (2,456 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.5
★★★★★ 4.8 (19)
17th 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 (875 CMS services/yr).

✓ Accepts Medicare Part B ~$227 Cash
Nephrology ★ 4.4

Dr. Sudhir Thaduri, MD

Oklahoma City, OK 73112

★★★★★ 4.8 (23)
9th 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 (877 CMS services/yr).

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

Dr. Meghana Gaiki, MD

Bloomfield, CT 06002

★★★★★ 4.8 (23)
22nd 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 (995 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7
★★★★★ 4.8 (15)
64th 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 (1,934 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.4

Dr. Hasan Khamash, MD

Phoenix, AZ 85054

★★★★★ 4.8 (23)
6th 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 (756 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.6

Dr. Munsoor Lateef, MD

Burlington, NC 27215

★★★★★ 4.8 (15)
46th 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 (1,489 CMS services/yr).

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

Dr. Yogesh Amin, MD

Scottsdale, AZ 85258

★★★★★ 4.8 (22)
77th 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 (3,993 CMS services/yr).

✓ Accepts Medicare Part B ~$210 Cash
Nephrology ★ 4.7

Dr. Subil Go, MD

Yuba City, CA 95991

★★★★★ 4.8 (18)
77th 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 (3,641 CMS services/yr).

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

Dr. Louis Swartz, MD

Freeport, NY 11520

★★★★★ 4.8 (18)
75th 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 (3,421 CMS services/yr).

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

Dr. Jean Luc Franck, MD

Vero Beach, FL 32960

★★★★★ 4.8 (18)
78th 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 (3,413 CMS services/yr).

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

Dr. Merfake Semret, MD

Rochester, MN 55905

★★★★★ 4.8 (22)
95th MN 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 (5,920 CMS services/yr).

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

Dr. Antonio Armstrong, MD

Orlando, FL 32804

★★★★★ 4.8 (18)
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 (2,217 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.5

Dr. Mahathi Reddy, MD

Hudson, FL 34667

★★★★★ 4.8 (22)
39th 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 (1,848 CMS services/yr).

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

Dr. Suresh Kumar, MD

Knoxville, TN 37917

★★★★★ 4.8 (22)
45th 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 (1,873 CMS services/yr).

✓ Accepts Medicare Part B ~$201 Cash
Nephrology ★ 4.6

Dr. David Allen, MD

Augusta, GA 30901

★★★★★ 4.8 (18)
51st 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 (1,873 CMS services/yr).

✓ Accepts Medicare Part B ~$209 Cash
Nephrology ★ 4.7
★★★★★ 4.8 (22)
77th 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 (4,143 CMS services/yr).

✓ Accepts Medicare Part B ~$207 Cash
Nephrology ★ 4.7

Dr. Steven Wagner, MD

Flowood, MS 39232

★★★★★ 4.8 (22)
63rd 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 (1,920 CMS services/yr).

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

Dr. Etagbo Eta, MD

Gadsden, AL 35901

★★★★★ 4.8 (22)
78th 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 (2,671 CMS services/yr).

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

Dr. Rajani Kosuri, MD

Melrose Park, IL 60160

★★★★★ 4.8 (18)
88th 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 (3,940 CMS services/yr).

✓ Accepts Medicare Part B ~$218 Cash
Nephrology ★ 4.6

Dr. Charles Sanders, MD

Temple Terrace, FL 33637

★★★★★ 4.8 (22)
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 (2,222 CMS services/yr).

✓ Accepts Medicare Part B ~$216 Cash
Nephrology ★ 4.5

Dr. Akshay Amin, MD

Lutherville, MD 21093

★★★★★ 4.8 (22)
44th 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 (1,647 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.