NPI Portal NPI Lookup & Verification

Katherine Koser, MSW

Katherine Koser is a Clinical Social Worker provider (Social Worker) practicing in Olean, NY, registered in the NPPES registry with NPI 1457307738 since 2006.

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NPI 1457307738
Entity type Individual (Type 1)
Name Katherine Koser
Credential MSW
Sex Female
Practice address 1825 WINDFALL RD, Olean, NY, 14760
Phone 7164929300
Fax 7164929452
Enumeration date 2006-05-26
Last updated in NPPES 2025-09-16

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1041C0700X Clinical Social Worker Primary 093248 NY

Other identifiers

Identifier Type State Issuer
00030241501 Other NY UNIVERA
000506354003 Other NY COMMUNITY BLUE
Copy-ready billing details
Provider: Katherine Koser, MSW
NPI: 1457307738
Taxonomy: 1041C0700X (Clinical Social Worker)
Address: 1825 WINDFALL RD, Olean, NY, 14760

Other providers at this practice address

NPI Name Type Specialty Location
1720054729 Lee Rhodus Individual Occupational Therapist Olean, NY
1063661601 Pamela Groth Individual Speech-Language Pathologist Olean, NY
1720230394 Jennifer Penski-Adams Individual Physical Therapist Olean, NY
1215234240 Cattaraugus Allegany Boces Organization Local Education Agency (LEA) Olean, NY
1114226503 Karen France Individual Occupational Therapy Assistant Olean, NY
1538468830 Donna Damude Individual Occupational Therapy Assistant Olean, NY
1366724908 Sarah Bickley Individual Physical Therapist Olean, NY
1467720540 Carol Dellebovi Individual Occupational Therapist Olean, NY

Verify this record

Cross-check NPI 1457307738 against the authoritative CMS record: view Katherine Koser 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 Katherine Koser?
The National Provider Identifier (NPI) for Katherine Koser is 1457307738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katherine Koser practice?
The practice location on file with NPPES is in Olean, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-09-16.