Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Donna M Hanlon, MD

Q: What is the NPI number for Donna Hanlon?

The National Provider Identifier (NPI) for Donna Hanlon is 1841285897, a Type 1 (individual) record in the CMS NPPES registry.

Infectious Disease Physician in Oak Park, IL · enumerated 2005.

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

National Provider Identifier

1841285897

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Registry record

Entity type Individual (Type 1)

Name Donna M Hanlon

Credential MD

Sex Female

Practice address 1100 Lake St, Suite Ll56, Oak Park, IL, 60301

Phone (888) 220-6432

Fax (630) 654-4253

Enumeration date Sep 15, 2005

Last updated in NPPES Dec 13, 2013

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License 036056305 (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
110044983	Other	IL	RAILROAD MEDICARE
036056305	Medicaid	IL	-
2160743632	Other	IL	BCBS PROVIDER ID

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 Donna Hanlon practice?

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

What is the NPI number for Donna Hanlon?

The National Provider Identifier (NPI) for Donna Hanlon is 1841285897, 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 2013-12-13.