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

Mr. Robert Allen Monsma, L.M.S.W.

Clinical Social Worker in Grand Rapids, MI · enumerated 2010 · practices at Thresholds Inc.

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

National Provider Identifier

1588977177

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Registry record

Entity type Individual (Type 1)

Name Mr. Robert Allen Monsma

Credential L.M.S.W.

Sex Male

Practice address Grand Rapids, MI, 49508

Phone (616) 551-5468

Fax (616) 455-7324

Enumeration date Jul 23, 2010

Last updated in NPPES Apr 7, 2015

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

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801058702 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
D16116021	Other	MI	PTAN

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

Where does Robert Monsma practice?

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

What is the NPI number for Robert Monsma?

The National Provider Identifier (NPI) for Robert Monsma is 1588977177, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-04-07.