IndividualActive
John Bresnihan
NPI 1639328719 · Clinical Social Worker · Boston, MA
John Bresnihan is a Clinical Social Worker provider in Boston, MA (NPI 1639328719).
Provider details
- NPI number
- 1639328719
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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.
Mailing address
36 Worcester St
Belmont, MA 02478-3756
Registry dates
- Enumerated
- 2008-09-15
- Last updated
- 2008-09-15
Frequently asked questions
- What is John Bresnihan's NPI number?
- John Bresnihan's National Provider Identifier (NPI) is 1639328719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Bresnihan's specialty?
- John Bresnihan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Bresnihan located?
- John Bresnihan's practice location on file with NPPES is 130 Boylston St, Boston, MA 02216-0001.
- What is John Bresnihan's phone number?
- The practice phone number listed in the NPPES registry for John Bresnihan is (617) 457-8140.
- Is John Bresnihan's NPI active?
- Yes — John Bresnihan's NPI (1639328719) is active in the NPPES registry as of the last update on 2008-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.