Leslie Nieves, MFT
NPI 1295860310 · Marriage & Family Therapist · San Mateo, CA
Leslie Nieves, MFT is a Marriage & Family Therapist provider in San Mateo, CA (NPI 1295860310).
Provider details
- NPI number
- 1295860310
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Female
- Sole proprietor
- No
- License
- 77111 (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
- 2007-02-21
- Last updated
- 2023-05-15
- Certified
- 2020-12-15
Frequently asked questions
- What is Leslie Nieves's NPI number?
- Leslie Nieves's National Provider Identifier (NPI) is 1295860310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Nieves's specialty?
- Leslie Nieves is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Leslie Nieves located?
- Leslie Nieves's practice location on file with NPPES is 1700 S Amphlett Blvd Ste 250c, San Mateo, CA 94402-2728.
- What is Leslie Nieves's phone number?
- The practice phone number listed in the NPPES registry for Leslie Nieves is (650) 952-3774.
- Is Leslie Nieves's NPI active?
- Yes — Leslie Nieves's NPI (1295860310) is active in the NPPES registry as of the last update on 2023-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.