IndividualActive
Jay Bonnar, M.D.
NPI 1144260985 · Psychiatry Physician · Belmont, MA
Jay Bonnar, M.D. is a Psychiatry Physician provider in Belmont, MA (NPI 1144260985).
Provider details
- NPI number
- 1144260985
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 77389 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
115 Mill St
Belmont, MA 02478-1041
Phone: (617) 855-3153
Fax: (617) 855-3722
Street-level locationGet directions
Mailing address
115 Mill St
Belmont, MA 02478-1041
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2012-01-31
Frequently asked questions
- What is Jay Bonnar's NPI number?
- Jay Bonnar's National Provider Identifier (NPI) is 1144260985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Bonnar's specialty?
- Jay Bonnar is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Bonnar located?
- Jay Bonnar's practice location on file with NPPES is 115 Mill St, Belmont, MA 02478-1041.
- What is Jay Bonnar's phone number?
- The practice phone number listed in the NPPES registry for Jay Bonnar is (617) 855-3153.
- Is Jay Bonnar's NPI active?
- Yes — Jay Bonnar's NPI (1144260985) is active in the NPPES registry as of the last update on 2012-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.