Matthew Mcgiffen, MSW
NPI 1538579628 · Clinical Social Worker · Represa, CA
Matthew Mcgiffen, MSW is a Clinical Social Worker provider in Represa, CA (NPI 1538579628).
Provider details
- NPI number
- 1538579628
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 92148 (CA)
Specialties & taxonomies
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
12 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
- 2014-04-29
- Last updated
- 2022-06-01
- Certified
- 2022-06-01
Frequently asked questions
- What is Matthew Mcgiffen's NPI number?
- Matthew Mcgiffen's National Provider Identifier (NPI) is 1538579628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Mcgiffen's specialty?
- Matthew Mcgiffen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Mcgiffen located?
- Matthew Mcgiffen's practice location on file with NPPES is 100 Prison Rd, Represa, CA 95671-3258.
- What is Matthew Mcgiffen's phone number?
- The practice phone number listed in the NPPES registry for Matthew Mcgiffen is (916) 985-8610.
- Is Matthew Mcgiffen's NPI active?
- Yes — Matthew Mcgiffen's NPI (1538579628) is active in the NPPES registry as of the last update on 2022-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.