USMAN AHMED KHAN, MD — NPI 1437227543 (Board-Certified Nephrologist (Kidney Function, Stones & Dialysis Specialist) in OTTAWA, IL)

CMS-1500 Box 24J / 33a • NPI

1437227543

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

207RN0300X (CMS 11)

Board-Certified Nephrologist (Kidney Function, Stones & Dialysis Specialist)

Box 32 Service Location & ZIP+4

1050 E NORRIS DR STE 2B, OTTAWA, IL, 61350-1611

✓ 9-Digit EDI 837 ZIP+4 (61350-1611)

Practice Phone & Referral Fax

(309) 676-8123

Fax: (309) 676-8455

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1437227543 (USMAN AHMED KHAN, MD) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

This practitioner does not currently appear in the CMS individual Order & Referring PECOS file (may practice in pediatrics, commercial-only networks, or hospital-employed settings).

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1437227543` (NPI-1 Individual Practitioner)
Provider / Legal Name	USMAN AHMED KHAN, MD
Plain-English Specialty	Board-Certified Nephrologist (Kidney Function, Stones & Dialysis Specialist) NUCC Code: `207RN0300X` (Internal Medicine, Nephrology)
Certifying / Licensing Body	American Board of Internal Medicine — Nephrology
Practice Location Address	1050 E NORRIS DR STE 2B, OTTAWA, IL, 61350-1611
Practice Telephone / Fax	Tel: (309) 676-8123 \| Fax: (309) 676-8455
Administrative Mailing Address	420 NE GLEN OAK AVE STE 401, PEORIA, IL, 61603-3112
Enumeration & Last Sync	Enumerated: 2006-11-30 \| CMS Record Updated: 2026-06-26

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

1050 E NORRIS DR STE 2B, OTTAWA, IL, 61350-1611

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Plain-English Taxonomy & CMS Crosswalk (207RN0300X)

What Does Taxonomy Code 207RN0300X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RN0300X translates to:
"Board-Certified Nephrologist (Kidney Function, Stones & Dialysis Specialist)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 11 (Physician/Internal Medicine) • CMS Code 39 (Physician/Nephrology)
Certifying / Accrediting Authority: American Board of Internal Medicine — Nephrology
Clinical Scope: Declining kidney function (high creatinine / low eGFR), protein or blood in urine, recurrent kidney stones, electrolyte imbalances, or severe hypertension.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (USMAN AHMED KHAN, MD)

Typical CPT / Diagnostic Procedures:

Chronic Kidney Disease (eGFR & Albuminuria) Staging & Renoprotective Planning
24-Hour Urine Metabolic Evaluation for Recurrent Kidney Stones
Outpatient Hemodialysis & Peritoneal Dialysis Oversight (CPT 90960)
Renal Biopsy Evaluation & Secondary Hypertension Workup

Common Therapeutic Classes:

SGLT2 Inhibitors (Dapagliflozin, Empagliflozin) & Finerenone for CKD
ACE Inhibitors / ARBs for Proteinuria Reduction
Potassium Citrate & Thiazide Diuretics (Kidney Stone Prevention)
Erythropoiesis-Stimulating Agents & Phosphate Binders

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`207RN0300X` — Internal Medicine, Nephrology Plain English: Board-Certified Nephrologist (Kidney Function, Stones & Dialysis Specialist)	State: IL \| License: `036-141224` \| Primary: Yes (Primary)
`207R00000X` — Internal Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: IL \| License: `036141224` \| Primary: Secondary

Medical Billing, RCM & Hospital Credentialing Teams:

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USMAN AHMED KHAN, MD (NPI #1437227543)