Marilyn Foster, FNP
NPI 1679564215 · Family Nurse Practitioner · Sebastopol, CA
Marilyn Foster, FNP is a Family Nurse Practitioner provider in Sebastopol, CA (NPI 1679564215).
Provider details
- NPI number
- 1679564215
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN169169 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2023-03-07
Frequently asked questions
- What is Marilyn Foster's NPI number?
- Marilyn Foster's National Provider Identifier (NPI) is 1679564215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Foster's specialty?
- Marilyn Foster is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Foster located?
- Marilyn Foster's practice location on file with NPPES is 854 Ferguson Rd, Sebastopol, CA 95472-9666.
- What is Marilyn Foster's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Foster is (707) 799-0421.
- Is Marilyn Foster's NPI active?
- Yes — Marilyn Foster's NPI (1679564215) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.