Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Wendy A Callen, RPAC

Surgical Physician Assistant in Amherst, NY · enumerated 2005.

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

National Provider Identifier

1609851401

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Wendy A Callen

Credential RPAC

Sex Female

Practice address 3980 Sheridan Dr, Suite 200, Amherst, NY, 14226

Phone (716) 250-2000

Enumeration date Dec 14, 2005

Last updated in NPPES Feb 14, 2017

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0093671 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
000570428001	Other	NY	BLUE CROSS BLUE SHIELD
00026509501	Other	NY	UNIVERA HEALTHCARE
P00068975	Other	-	RAILROAD MEDICARE
02429087	Medicaid	NY	-
9512180	Other	NY	INDEPENDENT HEALTH

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

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.

What specialty is Wendy Callen?

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

Other providers at this practice address

Browse all →

Gregory Sambuchi Neurology Physician · Amherst, NY NPI 1942203112 Dawn Harbatkin Addiction Medicine (Preventive Medicine) Physician · Amherst, NY NPI 1033119284 Jason Santiago Physician Assistant · Amherst, NY NPI 1568450989 Laszlo Mechtler Neurology Physician · Amherst, NY NPI 1710978598 Joy Staggers-Deberny Specialist · Amherst, NY NPI 1255319489 Ellen Rich Internal Medicine Physician · Amherst, NY NPI 1366418345 Kathleen Shannon Clinical Social Worker · Amherst, NY NPI 1023084027 James Budny Neurological Surgery Physician · Amherst, NY NPI 1992774400

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-14.