Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Gramberg

Behavior Technician in Rocklin, CA · enumerated 2018.

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

National Provider Identifier

1730680091

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Registry record

Entity type Individual (Type 1)

Name Matthew Gramberg

Sex Male

Practice address 6960 Destiny Dr Ste 117, Rocklin, CA, 95677

Phone (916) 805-0224

Enumeration date Feb 22, 2018

Last updated in NPPES Feb 22, 2018

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-17-31349 (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

Is NPI 1730680091 active?

Yes, as of the latest NPPES snapshot, NPI 1730680091 is active (record last updated 2018-02-22).

How do I verify Matthew Gramberg's NPI record?

Cross-check NPI 1730680091 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-22.