Maria Gregg, MSW, ASW
NPI 1255511341 · Clinical Social Worker · Santa Clara, CA
Maria Gregg, MSW, ASW is a Clinical Social Worker provider in Santa Clara, CA (NPI 1255511341).
Provider details
- NPI number
- 1255511341
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, ASW
- Sex
- Female
- Sole proprietor
- No
- License
- 22866 (CA)
Specialties & taxonomies
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
18 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
- 2007-11-06
- Last updated
- 2016-05-24
Frequently asked questions
- What is Maria Gregg's NPI number?
- Maria Gregg's National Provider Identifier (NPI) is 1255511341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Gregg's specialty?
- Maria Gregg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Maria Gregg located?
- Maria Gregg's practice location on file with NPPES is 3490 the Alameda, Santa Clara, CA 95050-4333.
- What is Maria Gregg's phone number?
- The practice phone number listed in the NPPES registry for Maria Gregg is (408) 243-0222.
- Is Maria Gregg's NPI active?
- Yes — Maria Gregg's NPI (1255511341) is active in the NPPES registry as of the last update on 2016-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.