IndividualActive
John Walsh
NPI 1336354216 · Psychologist · Woburn, MA
John Walsh is a Psychologist provider in Woburn, MA (NPI 1336354216).
Provider details
- NPI number
- 1336354216
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1610 (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
36 Commerce Way
Woburn, MA 01801-1022
Phone: (781) 944-9733
Street-level locationGet directions
Mailing address
42 Hill St
Lexington, MA 02421-4318
Registry dates
- Enumerated
- 2007-05-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Walsh's NPI number?
- John Walsh's National Provider Identifier (NPI) is 1336354216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walsh's specialty?
- John Walsh is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Walsh located?
- John Walsh's practice location on file with NPPES is 36 Commerce Way, Woburn, MA 01801-1022.
- What is John Walsh's phone number?
- The practice phone number listed in the NPPES registry for John Walsh is (781) 944-9733.
- Is John Walsh's NPI active?
- Yes — John Walsh's NPI (1336354216) 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.