Sarah Proemsey, M.S.
NPI 1649632837 · Mental Health Counselor · San Mateo, CA
Sarah Proemsey, M.S. is a Mental Health Counselor provider in San Mateo, CA (NPI 1649632837).
Provider details
- NPI number
- 1649632837
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.S.
- Sex
- Female
- Sole proprietor
- Yes
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
10 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
Mailing address
Registry dates
- Enumerated
- 2016-03-25
- Last updated
- 2016-03-25
Frequently asked questions
- What is Sarah Proemsey's NPI number?
- Sarah Proemsey's National Provider Identifier (NPI) is 1649632837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Proemsey's specialty?
- Sarah Proemsey is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sarah Proemsey located?
- Sarah Proemsey's practice location on file with NPPES is 1510 Fashion Island Blvd, San Mateo, CA 94404-1596.
- What is Sarah Proemsey's phone number?
- The practice phone number listed in the NPPES registry for Sarah Proemsey is (650) 570-7273.
- Is Sarah Proemsey's NPI active?
- Yes — Sarah Proemsey's NPI (1649632837) is active in the NPPES registry as of the last update on 2016-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.