Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Kristen Elaine Holderle, PHD

Psychologist in Pittsford, NY · enumerated 2006.

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

National Provider Identifier

1356420939

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Registry record

Entity type Individual (Type 1)

Name Dr. Kristen Elaine Holderle

Credential PHD

Sex Female

Practice address Pittsford, NY, 14534

Phone (585) 797-7084

Fax (844) 626-2450

Enumeration date Nov 3, 2006

Last updated in NPPES Jul 5, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 16808 (NY) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License 016808 (NY) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
18954FC	Other	NY	PREFERRED CARE
7161860	Other	NY	AETNA
P010016808	Other	NY	EXCELLUS ROCHESTER REGION

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

Where does Kristen Holderle practice?

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

What is the NPI number for Kristen Holderle?

The National Provider Identifier (NPI) for Kristen Holderle is 1356420939, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-05.