Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Donald T Armstrong, OPA-C

Surgical Physician Assistant in Saint Paul, MN · enumerated 2006.

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

National Provider Identifier

1700858321

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Registry record

Entity type Individual (Type 1)

Name Donald T Armstrong

Credential OPA-C

Sex Male

Practice address 17 Exchange St W, #222, Saint Paul, MN, 55102

Phone (651) 602-0101

Fax (651) 602-0035

Enumeration date Feb 7, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 8805 (MN) Primary

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

Where does Donald Armstrong practice?

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

What is the NPI number for Donald Armstrong?

The National Provider Identifier (NPI) for Donald Armstrong is 1700858321, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.