Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Yost Adajian, PA-C

Surgical Physician Assistant in Hartford, CT · enumerated 2008 · practices at Hartford Pathology Associates, P.C..

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

National Provider Identifier

1619129582

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Registry record

Entity type Individual (Type 1)

Name Allison Yost Adajian

Credential PA-C

Sex Female

Practice address 80 Seymour Street, Hartford Hospital Surgery Dept, Hartford, CT, 06102

Phone (860) 972-4670

Enumeration date Oct 22, 2008

Last updated in NPPES May 21, 2019

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002155 (CT) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002155 (CT) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002155 (CT) Secondary

Other identifiers

Identifier	Type	State	Issuer
003021557	Medicaid	CT	-

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 Allison Adajian?

The National Provider Identifier (NPI) for Allison Adajian is 1619129582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Adajian practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-21.