Matthew O'Leary, MSW
NPI 1790939478 · Clinical Social Worker · San Leandro, CA
Matthew O'Leary, MSW is a Clinical Social Worker provider in San Leandro, CA (NPI 1790939478).
Provider details
- NPI number
- 1790939478
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- ASW 22895 (CA)
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
17 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
- 2008-11-07
- Last updated
- 2008-11-07
Frequently asked questions
- What is Matthew O'Leary's NPI number?
- Matthew O'Leary's National Provider Identifier (NPI) is 1790939478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew O'Leary's specialty?
- Matthew O'Leary is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew O'Leary located?
- Matthew O'Leary's practice location on file with NPPES is 118 Begier Ave, San Leandro, CA 94577-2812.
- What is Matthew O'Leary's phone number?
- The practice phone number listed in the NPPES registry for Matthew O'Leary is (510) 384-0521.
- Is Matthew O'Leary's NPI active?
- Yes — Matthew O'Leary's NPI (1790939478) is active in the NPPES registry as of the last update on 2008-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.