IndividualActive
John Warren, ED.D.
NPI 1669530945 · Psychologist · Needham, MA
John Warren, ED.D. is a Psychologist provider in Needham, MA (NPI 1669530945).
Provider details
- NPI number
- 1669530945
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- ED.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2604 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
23 Riverside St # 3
Needham, MA 02494-3016
Phone: (617) 620-9711
Street-level locationGet directions
Mailing address
23 Riverside St # 3
Needham, MA 02494-3016
Registry dates
- Enumerated
- 2006-12-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Warren's NPI number?
- John Warren's National Provider Identifier (NPI) is 1669530945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Warren's specialty?
- John Warren is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Warren located?
- John Warren's practice location on file with NPPES is 23 Riverside St # 3, Needham, MA 02494-3016.
- What is John Warren's phone number?
- The practice phone number listed in the NPPES registry for John Warren is (617) 620-9711.
- Is John Warren's NPI active?
- Yes — John Warren's NPI (1669530945) 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.