Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Cary I Layman, PA-C

Physician Assistant in Holyoke, MA · enumerated 2007.

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

National Provider Identifier

1487786794

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Registry record

Entity type Individual (Type 1)

Name Mr. Cary I Layman

Credential PA-C

Sex Male

Practice address 575 Beech St, The Work Connection, Holyoke Medical Center, Holyoke, MA, 01040

Phone (413) 534-2546

Fax (413) 534-2663

Enumeration date Mar 12, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 839 MA (MA) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Cary Layman?

Cary Layman is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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