IndividualActive
Brian Willoughby, PH.D.
NPI 1427249473 · Psychologist · Boston, MA
Brian Willoughby, PH.D. is a Psychologist provider in Boston, MA (NPI 1427249473).
Provider details
- NPI number
- 1427249473
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 9044 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Massachusetts General Hospital
151 Merrimac Street, 5th Floor
Boston, MA 02114
Phone: (617) 643-6020
Fax: (617) 643-6060
Approximate (ZIP-level) locationGet directions
Mailing address
Massachusetts General Hospital
Boston, MA 02114
Registry dates
- Enumerated
- 2007-08-06
- Last updated
- 2009-09-09
Frequently asked questions
- What is Brian Willoughby's NPI number?
- Brian Willoughby's National Provider Identifier (NPI) is 1427249473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Willoughby's specialty?
- Brian Willoughby is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Brian Willoughby located?
- Brian Willoughby's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Brian Willoughby's phone number?
- The practice phone number listed in the NPPES registry for Brian Willoughby is (617) 643-6020.
- Is Brian Willoughby's NPI active?
- Yes — Brian Willoughby's NPI (1427249473) is active in the NPPES registry as of the last update on 2009-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.