IndividualActive
Elizabeth Keefer
NPI 1659678407 · Clinical Social Worker · San Mateo, CA
Elizabeth Keefer is a Clinical Social Worker provider in San Mateo, CA (NPI 1659678407).
Provider details
- NPI number
- 1659678407
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 28351 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
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
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
126 W 25th Ave
San Mateo, CA 94403-2208
Phone: (650) 286-2090
Fax: (650) 286-2092
Street-level locationGet directions
Mailing address
126 W 25th Ave
San Mateo, CA 94403-2208
Registry dates
- Enumerated
- 2011-02-14
- Last updated
- 2011-02-16
Frequently asked questions
- What is Elizabeth Keefer's NPI number?
- Elizabeth Keefer's National Provider Identifier (NPI) is 1659678407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Keefer's specialty?
- Elizabeth Keefer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Elizabeth Keefer located?
- Elizabeth Keefer's practice location on file with NPPES is 126 W 25th Ave, San Mateo, CA 94403-2208.
- What is Elizabeth Keefer's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Keefer is (650) 286-2090.
- Is Elizabeth Keefer's NPI active?
- Yes — Elizabeth Keefer's NPI (1659678407) is active in the NPPES registry as of the last update on 2011-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.