Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Timothy C. Olson, M.D.

Geriatric Medicine (Internal Medicine) Physician in Madison, WI · enumerated 2006.

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

National Provider Identifier

1992736102

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Registry record

Entity type Individual (Type 1)

Name Timothy C. Olson

Credential M.D.

Sex Male

Practice address Uw Hospitals & Clinics 600 Highland Ave, Madison, WI, 53792

Phone (608) 263-6400

Enumeration date Jul 5, 2006

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MR0825 (ID) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 50933 (MN) Secondary

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 67579-20 (WI) 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
P00909017	Other	MN	MCR RAILROAD MEDICARE
807192000	Medicaid	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

What is the NPI number for Timothy Olson?

The National Provider Identifier (NPI) for Timothy Olson is 1992736102, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy Olson practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.