IndividualActive
Jennifer Massie, LCSW
NPI 1215333109 · Social Worker · San Leandro, CA
Jennifer Massie, LCSW is a Social Worker provider in San Leandro, CA (NPI 1215333109).
Provider details
- NPI number
- 1215333109
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 60513 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
500 Davis St
#100
San Leandro, CA 94577-2757
Phone: (510) 618-6174
Street-level locationGet directions
Mailing address
500 Davis St
San Leandro, CA 94577-2757
Registry dates
- Enumerated
- 2014-11-05
- Last updated
- 2014-11-05
Frequently asked questions
- What is Jennifer Massie's NPI number?
- Jennifer Massie's National Provider Identifier (NPI) is 1215333109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Massie's specialty?
- Jennifer Massie is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Jennifer Massie located?
- Jennifer Massie's practice location on file with NPPES is 500 Davis St, San Leandro, CA 94577-2757.
- What is Jennifer Massie's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Massie is (510) 618-6174.
- Is Jennifer Massie's NPI active?
- Yes — Jennifer Massie's NPI (1215333109) is active in the NPPES registry as of the last update on 2014-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.