Wilmajoan Degraaf-Olson, FNP
NPI 1649290719 · Nurse Practitioner · Yuba City, CA
Wilmajoan Degraaf-Olson, FNP is a Nurse Practitioner provider in Yuba City, CA (NPI 1649290719).
Provider details
- NPI number
- 1649290719
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- NPF12478 (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
19 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
- 2006-07-20
- Last updated
- 2015-07-24
Frequently asked questions
- What is Wilmajoan Degraaf-Olson's NPI number?
- Wilmajoan Degraaf-Olson's National Provider Identifier (NPI) is 1649290719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilmajoan Degraaf-Olson's specialty?
- Wilmajoan Degraaf-Olson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wilmajoan Degraaf-Olson located?
- Wilmajoan Degraaf-Olson's practice location on file with NPPES is 480 Plumas Blvd, Yuba City, CA 95991-5005.
- What is Wilmajoan Degraaf-Olson's phone number?
- The practice phone number listed in the NPPES registry for Wilmajoan Degraaf-Olson is (530) 749-3601.
- Is Wilmajoan Degraaf-Olson's NPI active?
- Yes — Wilmajoan Degraaf-Olson's NPI (1649290719) is active in the NPPES registry as of the last update on 2015-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.