Matthew Geltmaker, LCSW
NPI 1932304193 · Clinical Social Worker · San Mateo, CA
Matthew Geltmaker, LCSW is a Clinical Social Worker provider in San Mateo, CA (NPI 1932304193).
Provider details
- NPI number
- 1932304193
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 22513 (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
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
- 2007-06-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Matthew Geltmaker's NPI number?
- Matthew Geltmaker's National Provider Identifier (NPI) is 1932304193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Geltmaker's specialty?
- Matthew Geltmaker is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Geltmaker located?
- Matthew Geltmaker's practice location on file with NPPES is 225 37th Ave, San Mateo, CA 94403-4324.
- What is Matthew Geltmaker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Geltmaker is (650) 573-2222.
- Is Matthew Geltmaker's NPI active?
- Yes — Matthew Geltmaker's NPI (1932304193) 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.