Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Defne Zeynep Peterson, PT,DPT

Physical Therapist in Vacaville, CA · enumerated 2014.

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

National Provider Identifier

1619380706

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Registry record

Entity type Individual (Type 1)

Name Mrs. Defne Zeynep Peterson

Credential PT,DPT

Sex Female

Practice address 770 Mason St, Vacaville, CA, 95688

Phone (707) 454-5990

Fax (707) 454-5991

Enumeration date Jun 5, 2014

Last updated in NPPES Dec 5, 2024

Taxonomy & licenses

2251N0400X Neurology Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Secondary

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT36261 (CA) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT 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.

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Frequently asked questions

How do I verify Defne Peterson's NPI record?

Cross-check NPI 1619380706 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1619380706 active?

Yes, as of the latest NPPES snapshot, NPI 1619380706 is active (record last updated 2024-12-05).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-05.