Mylinh Hieronymus, MSW, LICSW
NPI 1699434878 · Clinical Social Worker · Newton, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mylinh Hieronymus, MSW, LICSW is a Clinical Social Worker provider in Newton, MA (NPI 1699434878).
Provider details
- NPI number
- 1699434878
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 226521 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 38 Newcastle RdBrighton, MA 02135-1817Phone: (781) 716-7541
Registry dates
- Enumerated
- 2021-12-15
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is Mylinh Hieronymus's NPI number?
- Mylinh Hieronymus's National Provider Identifier (NPI) is 1699434878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mylinh Hieronymus's specialty?
- Mylinh Hieronymus is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mylinh Hieronymus located?
- Mylinh Hieronymus's practice location on file with NPPES is 109 Oak St Ste 201, Newton, MA 02464-1493.
- What is Mylinh Hieronymus's phone number?
- The practice phone number listed in the NPPES registry for Mylinh Hieronymus is (617) 221-3278.
- Does Mylinh Hieronymus accept Medicare?
- Mylinh Hieronymus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mylinh Hieronymus's NPI active?
- Yes — Mylinh Hieronymus's NPI (1699434878) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.