IndividualActive
Sarah Thomas
NPI 1821138009 · Counselor · San Mateo, CA
Sarah Thomas is a Counselor provider in San Mateo, CA (NPI 1821138009).
Provider details
- NPI number
- 1821138009
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
83% 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
136 N San Mateo Dr
Suite 101
San Mateo, CA 94401-2777
Phone: (650) 373-0777
Fax: (650) 373-0778
Street-level locationGet directions
Mailing address
2040 Roosevelt Ave
Redwood City, CA 94061-1467
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sarah Thomas's NPI number?
- Sarah Thomas's National Provider Identifier (NPI) is 1821138009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Thomas's specialty?
- Sarah Thomas is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Sarah Thomas located?
- Sarah Thomas's practice location on file with NPPES is 136 N San Mateo Dr, San Mateo, CA 94401-2777.
- What is Sarah Thomas's phone number?
- The practice phone number listed in the NPPES registry for Sarah Thomas is (650) 373-0777.
- Is Sarah Thomas's NPI active?
- Yes — Sarah Thomas's NPI (1821138009) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.