Gary Joslow, MED, PHD CAND
NPI 1235270943 · Clinical Psychologist · Lexington, MA
Gary Joslow, MED, PHD CAND is a Clinical Psychologist provider in Lexington, MA (NPI 1235270943).
Provider details
- NPI number
- 1235270943
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- MED, PHD CAND
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1612 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Joslow's NPI number?
- Gary Joslow's National Provider Identifier (NPI) is 1235270943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Joslow's specialty?
- Gary Joslow is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Joslow located?
- Gary Joslow's practice location on file with NPPES is 18 Diamond Rd, Lexington, MA 02420-1622.
- What is Gary Joslow's phone number?
- The practice phone number listed in the NPPES registry for Gary Joslow is (781) 799-0025.
- Is Gary Joslow's NPI active?
- Yes — Gary Joslow's NPI (1235270943) 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.