Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark A Dagenais, OD

Optometrist in Milwaukee, WI · enumerated 2005 · practices at Peak Eye Care, Sc.

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

National Provider Identifier

1316948516

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark A Dagenais

Credential OD

Sex Male

Practice address 3670 S 108th St Ste 204, Milwaukee, WI, 53228

Phone (414) 453-1010

Fax (414) 425-4230

Enumeration date Aug 10, 2005

Last updated in NPPES Aug 16, 2024

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 2704 (WI) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
38603400	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 Mark Dagenais?

The National Provider Identifier (NPI) for Mark Dagenais is 1316948516, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Dagenais practice?

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

Other providers at this practice address

Browse all →

Peak Eye Care, Sc Optometrist · Greenfield, WI NPI 1528829405

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-16.