Mary Tsai, LMFT
NPI 1033756440 · Marriage & Family Therapist · Los Altos, CA
Mary Tsai, LMFT is a Marriage & Family Therapist provider in Los Altos, CA (NPI 1033756440).
Provider details
- NPI number
- 1033756440
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC44476 (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
6 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
- 2019-12-04
- Last updated
- 2019-12-04
Frequently asked questions
- What is Mary Tsai's NPI number?
- Mary Tsai's National Provider Identifier (NPI) is 1033756440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tsai's specialty?
- Mary Tsai is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Tsai located?
- Mary Tsai's practice location on file with NPPES is 354 Verano Dr, Los Altos, CA 94022-2344.
- What is Mary Tsai's phone number?
- The practice phone number listed in the NPPES registry for Mary Tsai is (650) 948-8098.
- Is Mary Tsai's NPI active?
- Yes — Mary Tsai's NPI (1033756440) is active in the NPPES registry as of the last update on 2019-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.