Registry data as of Aug 27, 2026

Sommer Casco

General Practice Registered Nurse · Foster City, CA

Sommer Casco is a general practice registered nurse with a practice address in Foster City, California, and NPI 1548790975, issued on Jun 18, 2017. Check the license (California 686434, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1548790975
Name
Sommer Casco
Primary taxonomy
General Practice Registered Nurse 163WG0000X
License number
686434 CA
Self-reported in NPPES; status is on the state search
Practice location
901 Metro Center Blvd, Foster City, CA 94404
Phone
(650) 409-1234
Enumerated
Jun 18, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 901 Metro Center Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melanie Odeleye, MDPreventive Medicine/Occupational Environmental Medicine Physician1184988255

Verify Sommer Casco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 686434
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

General Practice Registered Nurse providers in California

There are 571 general practice registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice registered nurse records in California

  1. Christine Acapulco, RNFresno, CA1124864806
  2. Charles AgustinVentura, CA1083238661
  3. Shaheen Akram, RNCovina, CA1730711037
  4. Betssy Alanya, NPNorthridge, CA1093539959
  5. Marlena Alazzam, RNFresno, CA1578167961
  6. Lauren Alexander, RN, MSN, ANP-BCSan Ramon, CA1689866998
  7. Rosanne Alexander, RNSonoma, CA1700702750
  8. Valentine Aljabi, RNSan Diego, CA1497379812
  9. Ruby Allen, RNBishop, CA1982143475
  10. Robin Allen-Contreras, RN, CNS, PHN,San Francisco, CA1912345968

Common questions

What is Sommer Casco's NPI number?

Sommer Casco's National Provider Identifier (NPI) is 1548790975, issued on Jun 18, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sommer Casco located?

The NPPES record lists a practice address at 901 Metro Center Blvd, Foster City, CA, 94404. Phone: (650) 409-1234. Providers update this record themselves, so call before visiting.

How can I verify Sommer Casco's license?

NPPES lists California license number 686434, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.