Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephanie Ott, PA

Physician Assistant in Westfield, MA · enumerated 2016.

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

National Provider Identifier

1730638651

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Registry record

Entity type Individual (Type 1)

Name Stephanie Ott

Credential PA

Sex Female

Practice address 65 Springfield Rd Ste 2, Westfield, MA, 01085

Phone (413) 562-8306

Fax (413) 568-5678

Enumeration date Oct 4, 2016

Last updated in NPPES May 25, 2023

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

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

Where does Stephanie Ott practice?

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

What is the NPI number for Stephanie Ott?

The National Provider Identifier (NPI) for Stephanie Ott is 1730638651, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Kayla Mailloux Physician Assistant · Westfield, MA NPI 1558994772

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-25.