Matthew Weissman, PH.D.
NPI 1881803989 · Clinical Psychologist · Washington, DC
Matthew Weissman, PH.D. is a Clinical Psychologist provider in Washington, DC (NPI 1881803989).
Provider details
- NPI number
- 1881803989
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1474 (DC)
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
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Matthew Weissman's NPI number?
- Matthew Weissman's National Provider Identifier (NPI) is 1881803989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Weissman's specialty?
- Matthew Weissman is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Weissman located?
- Matthew Weissman's practice location on file with NPPES is 3000 Connecticut Ave Nw, Washington, DC 20008-2509.
- What is Matthew Weissman's phone number?
- The practice phone number listed in the NPPES registry for Matthew Weissman is (202) 328-2037.
- Is Matthew Weissman's NPI active?
- Yes — Matthew Weissman's NPI (1881803989) 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.