Sari Fredrickson, MS, NP
NPI 1578565198 · Adult Health Nurse Practitioner · Walnut Creek, CA
Sari Fredrickson, MS, NP is a Adult Health Nurse Practitioner provider in Walnut Creek, CA (NPI 1578565198).
Provider details
- NPI number
- 1578565198
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, NP
- Sex
- Female
- Sole proprietor
- No
- License
- 288960 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2005-08-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sari Fredrickson's NPI number?
- Sari Fredrickson's National Provider Identifier (NPI) is 1578565198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sari Fredrickson's specialty?
- Sari Fredrickson is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sari Fredrickson located?
- Sari Fredrickson's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is Sari Fredrickson's phone number?
- The practice phone number listed in the NPPES registry for Sari Fredrickson is (925) 295-4000.
- Is Sari Fredrickson's NPI active?
- Yes — Sari Fredrickson's NPI (1578565198) 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.