NPI Portal NPI Lookup & Verification

Peter Seimas

Peter Seimas is a healthcare organization registered as Pastoral Counselor in Cupertino, CA, holding Type 2 (organization) NPI 1366991408 since 2016. The authorized official on file is Peter Seimas, Pastoral Counselor.

✓ Active NPI ✓ Valid NPI checksum

NPI 1366991408
Entity type Organization (Type 2)
Legal business name Peter Seimas
Other name <Unavail>
Practice address 19925 STEVENS CREEK BLVD, SUITE 100, Cupertino, CA, 95014
Phone 4085905847
Enumeration date 2016-09-30
Last updated in NPPES 2020-07-29

Authorized official

Name Peter Seimas
Title Pastoral Counselor
Phone 4085905847

Taxonomy & classification

Taxonomy code Specialty Primary License State
101YP1600X Pastoral Counselor Primary
Copy-ready billing details
Provider: Peter Seimas
NPI: 1366991408
Taxonomy: 101YP1600X (Pastoral Counselor)
Address: 19925 STEVENS CREEK BLVD, SUITE 100, Cupertino, CA, 95014

Providers at this address

NPI Name Type Specialty Location
1215142823 Susan Borkin Individual Marriage & Family Therapist Cupertino, CA
1538377403 Rosemary Lutus Individual Marriage & Family Therapist Cupertino, CA
1871771204 Rhona Ostrow Individual Audiologist-Hearing Aid Fitter Cupertino, CA
1447565189 Chunyu Pu Individual Clinical Psychologist Cupertino, CA

Verify this record

Cross-check NPI 1366991408 against the authoritative CMS record: view Peter Seimas on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Peter Seimas?
The NPI for Peter Seimas is 1366991408, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Peter Seimas?
NPPES lists Peter Seimas (Pastoral Counselor) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-07-29.