Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marlissa M Belay, APN

Adult Health Nurse Practitioner in Montclair, NJ · enumerated 2006.

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

National Provider Identifier

1285795468

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Registry record

Entity type Individual (Type 1)

Name Marlissa M Belay

Credential APN

Sex Female

Practice address 78 Willowdale Ave, Montclair, NJ, 07042

Phone (732) 442-8185

Fax (732) 442-8188

Enumeration date Dec 12, 2006

Last updated in NPPES Sep 9, 2016

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ00048100 (NJ) 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 Marlissa Belay?

The National Provider Identifier (NPI) for Marlissa Belay is 1285795468, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marlissa Belay practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-09.