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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Selmer Meredith Clark, OD

Optometrist in Cavalier, ND · enumerated 2008 · practices at Cavalier Optometry Clinic Ltd.

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

National Provider Identifier

1598941288

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Registry record

Entity type Individual (Type 1)
Name Dr. Selmer Meredith Clark
Credential OD
Sex Male
Practice address Cavalier, ND, 58220
Phone (701) 265-8315
Fax (701) 265-8317
Enumeration date Jan 14, 2008
Last updated in NPPES Jan 13, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 358 (ND) 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
60162 Medicaid ND -
CLA800358 Other ND VISION SERVICES INC
0677790001 Other ND MEDICARE DME

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.

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Frequently asked questions

What is the NPI number for Selmer Clark?
The National Provider Identifier (NPI) for Selmer Clark is 1598941288, a Type 1 (individual) record in the CMS NPPES registry.
Where does Selmer Clark practice?
The practice location on file with NPPES is in Cavalier, ND. 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 2010-01-13.