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

Marcia Bonahoom, M.A.

Psychologist in Grosse Pointe, MI · enumerated 2007.

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

National Provider Identifier

1033308606

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Registry record

Entity type Individual (Type 1)

Name Marcia Bonahoom

Credential M.A.

Sex Female

Practice address Grosse Pointe, MI, 48230

Phone (313) 882-2150

Enumeration date Oct 19, 2007

Last updated in NPPES Oct 19, 2007

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

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301010140 (MI) Primary

103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers · License 6301010140 (MI) Secondary

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 Marcia Bonahoom?

The National Provider Identifier (NPI) for Marcia Bonahoom is 1033308606, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marcia Bonahoom practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-19.