Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark F Alexander, MD

Anesthesiology Physician in Harvard, IL · enumerated 2006.

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

National Provider Identifier

1932206729

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark F Alexander

Credential MD

Sex Male

Practice address 901 Grant St, Harvard, IL, 60033

Phone (815) 943-5431

Enumeration date Sep 20, 2006

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians 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
0-129-447-9	Other	-	ECFMG

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 Mark Alexander practice?

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

What is the NPI number for Mark Alexander?

The National Provider Identifier (NPI) for Mark Alexander is 1932206729, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.