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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 38 of 66
Nephrology ★ 4.4

Dr. Giana Kristy Ramos, DO

Englewood, NJ 07631

★★★★★ 4.8 (15)
13th 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 (988 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.4

Dr. Jose Saez, DO

Lewes, DE 19958

★★★★★ 4.8 (19)
14th 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 (1,451 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Nangali Srinivasa, MD

Pittsburgh, PA 15224

★★★★★ 4.8 (19)
33rd 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 (1,185 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Ricardo Soltero, MD

Chula Vista, CA 91910

★★★★★ 4.8 (23)
38th 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 (1,762 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.6

Dr. Nitpriya Paliwal, MD

St George, UT 84790

★★★★★ 4.8 (15)
35th UT 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 (972 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Moarij Qazi, MD

Cincinnati, OH 45219

★★★★★ 4.8 (15)
30th 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 (1,046 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Douglas Linfert, MD

Wilmington, NC 28401

★★★★★ 4.8 (19)
51st 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 (1,615 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8
★★★★★ 4.8 (18)
94th 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 (4,572 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Vikram Doraiswamy, MD

Rockville, MD 20854

★★★★★ 4.8 (22)
83rd 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 (2,618 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Priya Raju, MD

Evergreen Park, IL 60805

★★★★★ 4.8 (22)
70th 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 (2,813 CMS services/yr).

✓ Accepts Humana ~$218 Cash
Nephrology ★ 4.7

Dr. William Dahms, DO

Newark, DE 19713

★★★★★ 4.8 (22)
78th 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 (4,679 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Anitha Murthy, MD

Virginia Beach, VA 23462

★★★★★ 4.8 (22)
66th 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 (2,396 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Edgar Escasinas, MD

Roanoke, VA 24014

★★★★★ 4.8 (22)
93rd 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 (7,385 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8

Dr. Deepa Amberker, MD

Dallas, TX 75237

★★★★★ 4.8 (18)
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 (5,840 CMS services/yr).

✓ Accepts Humana ~$211 Cash
Nephrology ★ 4.7

Dr. Michael Katz, MD

Atlanta, GA 30309

★★★★★ 4.8 (22)
73rd 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 (2,885 CMS services/yr).

✓ Accepts Humana ~$210 Cash
Nephrology ★ 4.8

Dr. Marie Bentsianov, MD

Brooklyn, NY 11224

★★★★★ 4.8 (18)
86th 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 (5,587 CMS services/yr).

✓ Accepts Humana ~$232 Cash
Nephrology ★ 4.5

Dr. Shefali Gupta, MD

Scottsdale, AZ 85258

★★★★★ 4.8 (18)
51st 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 (2,316 CMS services/yr).

✓ Accepts Humana ~$210 Cash
Nephrology ★ 4.6

Dr. John Ranker, MD

Perrysburg, OH 43551

★★★★★ 4.8 (18)
72nd 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 (1,734 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Mohammed Sikder, MD

Tucson, AZ 85712

★★★★★ 4.8 (18)
81st 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 (4,963 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.6

Dr. Harshal Shah, DO

Clinton, MD 20735

★★★★★ 4.8 (18)
57th 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 (1,856 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Anup Manoharan, MD

Fairfax, VA 22031

★★★★★ 4.8 (18)
58th 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 (2,085 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Rizwan Moinuddin, DO

Melrose Park, IL 60160

★★★★★ 4.8 (22)
65th 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 (2,615 CMS services/yr).

✓ Accepts Humana ~$218 Cash
Nephrology ★ 4.6

Dr. Madhuri Ramakrishnan, MD

Kansas City, KS 66160

★★★★★ 4.8 (18)
24th 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 (1,399 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Jeffrey Gold, MD

Royal Oak, MI 48073

★★★★★ 4.8 (22)
82nd 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 (2,563 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8

Dr. Sangeeta Mital, MD

Camp Hill, PA 17011

★★★★★ 4.8 (22)
96th 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 (1,860 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Ian Lam, MD

Mountain View, CA 94040

★★★★★ 4.8 (22)
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 (7,192 CMS services/yr).

✓ Accepts Humana ~$239 Cash
Nephrology ★ 4.4

Dr. Jeffrey Lautman, MD

Euclid, OH 44117

★★★★★ 4.8 (18)
24th 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 (973 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Stefanie Diaz, MD

Tyler, TX 75701

★★★★★ 4.8 (22)
59th 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 (2,133 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Jeffrey Laiserin, MD

Phoenix, AZ 85004

★★★★★ 4.8 (18)
65th 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 (3,021 CMS services/yr).

✓ Accepts Humana ~$207 Cash
Nephrology ★ 4.7

Dr. Saul Gonzalez, MD

North Miami Beach, FL 33169

★★★★★ 4.8 (18)
66th 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 (2,675 CMS services/yr).

✓ Accepts Humana ~$216 Cash
Nephrology ★ 4.7

Dr. Anibal Melo, MD

Chesterfield, MO 63017

★★★★★ 4.8 (18)
66th 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 (1,806 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.5

Dr. Fnu Aparna, MD

Columbus, GA 31904

★★★★★ 4.8 (22)
28th 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 (1,301 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.7

Dr. Ali Imtiaz, MD

Naperville, IL 60540

★★★★★ 4.8 (22)
97th 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 (2,992 CMS services/yr).

✓ Accepts Humana ~$218 Cash
Nephrology ★ 4.8

Dr. Umair Ali, MD

Little Rock, AR 72205

★★★★★ 4.8 (22)
92nd 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 (1,311 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.6

Dr. Andrea Shaer, MD

Youngstown, OH 44504

★★★★★ 4.8 (18)
52nd 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 (1,385 CMS services/yr).

✓ Accepts Humana ~$209 Cash
Nephrology ★ 4.8

Dr. Shivani Shah, MD

Naperville, IL 60540

★★★★★ 4.8 (18)
87th 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 (3,832 CMS services/yr).

✓ Accepts Humana ~$218 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.