Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katy Elizabeth Troester, LSW

Social Worker in Williamsport, PA · enumerated 2008.

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

National Provider Identifier

1972770436

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Registry record

Entity type Individual (Type 1)

Name Katy Elizabeth Troester

Credential LSW

Sex Female

Practice address 435 W 4th St, Williamsport, PA, 17701

Phone (570) 322-7873

Fax (570) 322-8026

Enumeration date May 14, 2008

Last updated in NPPES May 14, 2008

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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

How do I verify Katy Troester's NPI record?

Cross-check NPI 1972770436 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1972770436 active?

Yes, as of the latest NPPES snapshot, NPI 1972770436 is active (record last updated 2008-05-14).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-14.