David Stewart, PH.D.
NPI 1366781932 · Cognitive & Behavioral Psychologist · Cambridge, MA
David Stewart, PH.D. is a Cognitive & Behavioral Psychologist provider in Cambridge, MA (NPI 1366781932).
Provider details
- NPI number
- 1366781932
- Entity type
- Individual
- Primary specialty
- Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PY00002443 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
13 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
- 2013-02-02
- Last updated
- 2025-09-11
Frequently asked questions
- What is David Stewart's NPI number?
- David Stewart's National Provider Identifier (NPI) is 1366781932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Stewart's specialty?
- David Stewart is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
- Where is David Stewart located?
- David Stewart's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1047.
- What is David Stewart's phone number?
- The practice phone number listed in the NPPES registry for David Stewart is (425) 228-5336.
- Is David Stewart's NPI active?
- Yes — David Stewart's NPI (1366781932) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.