Matthew Holt
NPI 1538478318 · Clinical Social Worker · Hayward, CA
Matthew Holt is a Clinical Social Worker provider in Hayward, CA (NPI 1538478318).
Provider details
- NPI number
- 1538478318
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2010-09-28
- Last updated
- 2023-02-08
- Certified
- 2023-02-08
Frequently asked questions
- What is Matthew Holt's NPI number?
- Matthew Holt's National Provider Identifier (NPI) is 1538478318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Holt's specialty?
- Matthew Holt is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Holt located?
- Matthew Holt's practice location on file with NPPES is 22245 Main St Ste 200, Hayward, CA 94541-4028.
- What is Matthew Holt's phone number?
- The practice phone number listed in the NPPES registry for Matthew Holt is (510) 387-8992.
- Is Matthew Holt's NPI active?
- Yes — Matthew Holt's NPI (1538478318) is active in the NPPES registry as of the last update on 2023-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.