IndividualActive
Sommer Casco
NPI 1548790975 · Registered Nurse · Foster City, CA
Sommer Casco is a Registered Nurse provider in Foster City, CA (NPI 1548790975).
Provider details
- NPI number
- 1548790975
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 686434 (CA)
Specialties & taxonomies
Nursing Service Providers
Nursing Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
901 Metro Center Blvd
Foster City, CA 94404-2173
Phone: (650) 409-1234
Street-level locationGet directions
Mailing address
23136 Saklan Rd
Hayward, CA 94545-2547
Registry dates
- Enumerated
- 2017-06-18
- Last updated
- 2017-06-18
Frequently asked questions
- What is Sommer Casco's NPI number?
- Sommer Casco's National Provider Identifier (NPI) is 1548790975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sommer Casco's specialty?
- Sommer Casco is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Sommer Casco located?
- Sommer Casco's practice location on file with NPPES is 901 Metro Center Blvd, Foster City, CA 94404-2173.
- What is Sommer Casco's phone number?
- The practice phone number listed in the NPPES registry for Sommer Casco is (650) 409-1234.
- Is Sommer Casco's NPI active?
- Yes — Sommer Casco's NPI (1548790975) is active in the NPPES registry as of the last update on 2017-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.