Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alan S. Armstrong, P.A.

Physician Assistant in Hartford, CT · enumerated 2005.

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

National Provider Identifier

1790761898

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Registry record

Entity type Individual (Type 1)

Name Alan S. Armstrong

Credential P.A.

Sex Male

Practice address 85 Seymour St, Suite 200, Hartford, CT, 06106

Phone (860) 246-6589

Fax (860) 560-2849

Enumeration date Dec 20, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 000304 (CT) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
A2516306	Other	CT	OXFORD
290000304CT02	Other	CT	ANTHEM BC/BS

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

How do I verify Alan Armstrong's NPI record?

Cross-check NPI 1790761898 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1790761898 active?

Yes, as of the latest NPPES snapshot, NPI 1790761898 is active (record last updated 2007-07-08).

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