Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Peter Emerson Cellarius

Behavior Technician in Union City, CA · enumerated 2018 · practices at Individualized Aba Services for Families.

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

National Provider Identifier

1316417900

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Registry record

Entity type Individual (Type 1)

Name Peter Emerson Cellarius

Sex Male

Practice address 33779 Dalton Ct, Union City, CA, 94587

Phone (510) 320-7183

Enumeration date Nov 27, 2018

Last updated in NPPES Oct 20, 2023

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-18-74309 (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.

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Frequently asked questions

What is the NPI number for Peter Cellarius?

The National Provider Identifier (NPI) for Peter Cellarius is 1316417900, a Type 1 (individual) record in the CMS NPPES registry.

Where does Peter Cellarius practice?

The practice location on file with NPPES is in Union City, 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 2023-10-20.