Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Ahmareen H Khan, M.D.

Pulmonary Disease Physician in Saint Charles, MO · enumerated 2006.

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

National Provider Identifier

1669449591

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Registry record

Entity type Individual (Type 1)

Name Mrs. Ahmareen H Khan

Credential M.D.

Sex Female

Practice address 400 1st Capitol Dr, Suite 100, Saint Charles, MO, 63301

Phone (636) 669-0300

Fax (636) 669-0301

Enumeration date Feb 28, 2006

Last updated in NPPES Feb 2, 2015

Taxonomy & licenses

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 108033 (MO) 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
204972905	Medicaid	MO	-
437468	Other	MO	HEALTHLINK
122700	Other	MO	BCBS OF MO
36152	Other	MO	HEALTHCARE USA
188931	Other	MO	GROUP HEALTH PLAN
P00107470	Other	MO	RAILROAD MEDICARE

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

Where does Ahmareen Khan practice?

The practice location on file with NPPES is in Saint Charles, MO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Ahmareen Khan?

The National Provider Identifier (NPI) for Ahmareen Khan is 1669449591, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-02-02.