Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Roy L Mortinsen, M.D.

Emergency Medicine Physician in Vermillion, SD · enumerated 2005.

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

National Provider Identifier

1417954918

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Registry record

Entity type Individual (Type 1)

Name Roy L Mortinsen

Credential M.D.

Sex Male

Practice address 20 S Plum St, Vermillion, SD, 57069

Phone (605) 624-9111

Fax (605) 624-6636

Enumeration date Jun 30, 2005

Last updated in NPPES Mar 25, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 5066 (SD) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 5066 (SD) 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
5611220	Medicaid	SD	-

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 Mortinsen?

The National Provider Identifier (NPI) for Roy Mortinsen is 1417954918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Roy Mortinsen practice?

The practice location on file with NPPES is in Vermillion, SD. 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 2022-03-25.