IndividualActive
Glenn Johnson, PH.D.
NPI 1609909829 · Clinical Psychologist · Cambridge, MA
Glenn Johnson, PH.D. is a Clinical Psychologist provider in Cambridge, MA (NPI 1609909829).
Provider details
- NPI number
- 1609909829
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1986 (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
19 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
256 Concord Ave
Cambridge, MA 02138-1337
Phone: (617) 661-6098
Street-level locationGet directions
Mailing address
1048 Walnut St
Newton Highlands, MA 02461-1249
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Glenn Johnson's NPI number?
- Glenn Johnson's National Provider Identifier (NPI) is 1609909829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Johnson's specialty?
- Glenn Johnson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Glenn Johnson located?
- Glenn Johnson's practice location on file with NPPES is 256 Concord Ave, Cambridge, MA 02138-1337.
- What is Glenn Johnson's phone number?
- The practice phone number listed in the NPPES registry for Glenn Johnson is (617) 661-6098.
- Is Glenn Johnson's NPI active?
- Yes — Glenn Johnson's NPI (1609909829) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.