Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Ijaz Ahmad, M.D.

Internal Medicine Physician in Chicago, IL · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1861538712

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Registry record

Entity type Individual (Type 1)

Name Mr. Ijaz Ahmad

Credential M.D.

Sex Male

Practice address Chicago, IL, 60617

Phone (773) 375-3312

Fax (773) 375-2334

Enumeration date Jan 29, 2007

Last updated in NPPES Feb 2, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036107581 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
036107581	Medicaid	IL	-
036-107581	Other	IL	LIC PHY

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Ijaz Ahmad's NPI record?

Cross-check NPI 1861538712 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1861538712 active?

Yes, as of the latest NPPES snapshot, NPI 1861538712 is active (record last updated 2022-02-02).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-02.