Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Megan Hieronymus
Social Worker in Livonia, MI · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225775588
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Megan Hieronymus
Sex Female
Practice address 19000 St Joes Pkwy Ste 200, Livonia, MI, 48152
Phone (734) 743-4540
Enumeration date May 18, 2022
Last updated in NPPES Sep 17, 2025
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Megan Hieronymus?
The National Provider Identifier (NPI) for Megan Hieronymus is 1225775588, a Type 1 (individual) record in the CMS NPPES registry.
Where does Megan Hieronymus practice?
The practice location on file with NPPES is in Livonia, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-17.