Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sari Holtermann, LSW

Mental Health Counselor in Wynnewood, PA · enumerated 2021.

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

National Provider Identifier

1417628603

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Sari Holtermann

Credential LSW

Sex Female

Practice address 508 Rock Glen Dr, Wynnewood, PA, 19096

Phone (845) 392-7885

Enumeration date Sep 27, 2021

Last updated in NPPES Sep 27, 2021

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License SW137624 (PA) 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

Where does Sari Holtermann practice?

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

What is the NPI number for Sari Holtermann?

The National Provider Identifier (NPI) for Sari Holtermann is 1417628603, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-27.