Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Katrina Julianna Obarski, PTA

Physical Therapy Assistant in Worcester, MA · enumerated 2017 · practices at Center for Living and Working, Inc.

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

National Provider Identifier

1548789555

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Registry record

Entity type Individual (Type 1)

Name Mrs. Katrina Julianna Obarski

Credential PTA

Sex Female

Practice address 484 Main St, Worcester, MA, 01608

Phone (800) 244-2756

Fax (508) 831-9768

Enumeration date Sep 12, 2017

Last updated in NPPES Sep 12, 2017

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 9380 (MA) 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.

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Frequently asked questions

Where does Katrina Obarski practice?

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

What is the NPI number for Katrina Obarski?

The National Provider Identifier (NPI) for Katrina Obarski is 1548789555, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-12.