Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Roy Arnold Olson, MD

Q: What is the NPI number for Roy Olson?

The National Provider Identifier (NPI) for Roy Olson is 1649272642, a Type 1 (individual) record in the CMS NPPES registry.

Ophthalmology Physician in Eau Claire, WI · enumerated 2005.

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

National Provider Identifier

1649272642

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Roy Arnold Olson

Credential MD

Sex Male

Practice address 2715 Damon St, Eau Claire, WI, 54701

Phone (715) 834-8471

Fax (715) 834-0373

Enumeration date Aug 10, 2005

Last updated in NPPES Jan 22, 2008

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 17337-020 (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
31066500	Medicaid	WI	-

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 Roy Olson?

The National Provider Identifier (NPI) for Roy Olson is 1649272642, a Type 1 (individual) record in the CMS NPPES registry.

Where does Roy Olson practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-22.