IndividualActive
Mary Thomas, M.A.
NPI 1659500171 · Mental Health Counselor · San Mateo, CA
Mary Thomas, M.A. is a Mental Health Counselor provider in San Mateo, CA (NPI 1659500171).
Provider details
- NPI number
- 1659500171
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC25893 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
1777 Borel Place
Suite 509
San Mateo, CA 94402-2851
Phone: (650) 349-0461
Fax: (650) 570-7779
Street-level locationGet directions
Mailing address
1777 Borel Place
San Mateo, CA 94402-2851
Registry dates
- Enumerated
- 2009-07-06
- Last updated
- 2009-07-06
Frequently asked questions
- What is Mary Thomas's NPI number?
- Mary Thomas's National Provider Identifier (NPI) is 1659500171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Thomas's specialty?
- Mary Thomas is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Thomas located?
- Mary Thomas's practice location on file with NPPES is 1777 Borel Place, San Mateo, CA 94402-2851.
- What is Mary Thomas's phone number?
- The practice phone number listed in the NPPES registry for Mary Thomas is (650) 349-0461.
- Is Mary Thomas's NPI active?
- Yes — Mary Thomas's NPI (1659500171) is active in the NPPES registry as of the last update on 2009-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.