Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Michael Martin Grausam

Behavior Analyst in Alta Loma, CA · enumerated 2021.

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

National Provider Identifier

1881260636

Verified

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael Martin Grausam

Sex Male

Practice address Alta Loma, CA, 91737

Phone (909) 241-0986

Enumeration date Jun 2, 2021

Last updated in NPPES Jul 24, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-24-74062 (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 Michael Grausam?

The National Provider Identifier (NPI) for Michael Grausam is 1881260636, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Grausam practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-24.