IndividualActive
Nicholas Holahan, MSW, JD
NPI 1477275105 · Clinical Social Worker · Newton, MA
Nicholas Holahan, MSW, JD is a Clinical Social Worker provider in Newton, MA (NPI 1477275105).
Provider details
- NPI number
- 1477275105
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, JD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 213386 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
69 Auburndale Ave
Newton, MA 02465-1419
Phone: (781) 249-5111
Street-level locationGet directions
Mailing address
69 Auburndale Ave
Newton, MA 02465-1419
Registry dates
- Enumerated
- 2022-09-19
- Last updated
- 2022-09-19
- Certified
- 2022-09-19
Frequently asked questions
- What is Nicholas Holahan's NPI number?
- Nicholas Holahan's National Provider Identifier (NPI) is 1477275105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Holahan's specialty?
- Nicholas Holahan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nicholas Holahan located?
- Nicholas Holahan's practice location on file with NPPES is 69 Auburndale Ave, Newton, MA 02465-1419.
- What is Nicholas Holahan's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Holahan is (781) 249-5111.
- Is Nicholas Holahan's NPI active?
- Yes — Nicholas Holahan's NPI (1477275105) is active in the NPPES registry as of the last update on 2022-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.