Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marilyn Hieronymus

Occupational Therapist in Merryville, LA · enumerated 2016.

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

National Provider Identifier

1477095792

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Marilyn Hieronymus

Sex Female

Practice address 226 Hieronymus Rd, Merryville, LA, 70653

Phone (337) 794-1139

Enumeration date Nov 17, 2016

Last updated in NPPES Nov 17, 2016

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License OTT.Z10023 (LA) 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 Marilyn Hieronymus?

The National Provider Identifier (NPI) for Marilyn Hieronymus is 1477095792, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marilyn Hieronymus practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-17.