Elizabeth Giannini
NPI 1831850973 · Marriage & Family Therapist · San Mateo, CA
Elizabeth Giannini is a Marriage & Family Therapist provider in San Mateo, CA (NPI 1831850973).
Provider details
- NPI number
- 1831850973
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 122881 (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
4 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
- 2021-12-30
- Last updated
- 2021-12-30
- Certified
- 2021-12-30
Frequently asked questions
- What is Elizabeth Giannini's NPI number?
- Elizabeth Giannini's National Provider Identifier (NPI) is 1831850973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Giannini's specialty?
- Elizabeth Giannini is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Elizabeth Giannini located?
- Elizabeth Giannini's practice location on file with NPPES is 2000 Alameda De Las Pulgas Ste 240, San Mateo, CA 94403-1271.
- What is Elizabeth Giannini's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Giannini is (650) 619-1360.
- Is Elizabeth Giannini's NPI active?
- Yes — Elizabeth Giannini's NPI (1831850973) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.