Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Judith Ann Grechko, OTR

Occupational Therapist in Placentia, CA · enumerated 2007.

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

National Provider Identifier

1689864084

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Registry record

Entity type Individual (Type 1)

Name Ms. Judith Ann Grechko

Credential OTR

Sex Female

Practice address 740 S Placentia Ave Ste 100, Placentia, CA, 92870

Phone (714) 646-8318

Fax (714) 646-8320

Enumeration date Jul 31, 2007

Last updated in NPPES Jul 31, 2007

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 6068 (CA) 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

What is the NPI number for Judith Grechko?

The National Provider Identifier (NPI) for Judith Grechko is 1689864084, a Type 1 (individual) record in the CMS NPPES registry.

Where does Judith Grechko practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-31.