Jessica Lynn Willemse, NP-C
Family Nurse Practitioner · Yucaipa, CA
Jessica Lynn Willemse, NP-C is a family nurse practitioner with a practice address in Yucaipa, California, and NPI 1831594670, issued on Oct 22, 2014. Check the license (California 95001558, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jessica Lynn Willemse
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95001558 CA
Self-reported in NPPES; status is on the state search - Practice location
- 34845 Yucaipa Blvd, Yucaipa, CA 92399
- Phone
- (909) 500-7971
- Enumerated
- Oct 22, 2014
- Record last updated
- Sep 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151103002563); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 34845 Yucaipa Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khwaja Siddiqui, MDFamily Medicine Physician1245344126
Verify Jessica Lynn Willemse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95001558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average family nurse practitioner in 2024
1,444 Medicare Part D claims for 152 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium85 claims
- Amlodipine Besylate53 claims
- Simvastatin53 claims
- Omeprazole50 claims
- Gabapentin39 claims
- Ibuprofen39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sac Health SystemSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jessica Lynn Willemse among 16,966 family nurse practitioner records in California
Jessica Lynn Willemse, NP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 27% of them.
- NPI issued2014 · 27% of these records are older, 69% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2014 · median 2019 among the 6,793 with a school on file
- Record last updated2015 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family nurse practitioner records list a practice address in Yucaipa
They are 16 of the 576 NPPES records with a practice address in Yucaipa, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Yucaipa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Gilbert Agyemang-BoakyeYucaipa, CA 923991407385149
- Kathryn Anderson, FNPYucaipa, CA 923991811698822
- Emmanuel Angeles, N.P.Yucaipa, CA 923991932154119
- Olga Emig, FNPYucaipa, CA 923991659966257
- Shannon Kearns, FNP-CYucaipa, CA 923991699572776
- Mi La Kim, FNPYucaipa, CA 923991295047058
- Gabriel Molina, NPYucaipa, CA 923991972482966
- Suzanne Moore, NPYucaipa, CA 923991083225569
Common questions
What is Jessica Lynn Willemse, NP-C's NPI number?
Jessica Lynn Willemse, NP-C's National Provider Identifier (NPI) is 1831594670, issued on Oct 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Lynn Willemse, NP-C located?
The NPPES record lists a practice address at 34845 Yucaipa Blvd, Yucaipa, CA, 92399. Phone: (909) 500-7971. Providers update this record themselves, so call before visiting.
How can I verify Jessica Lynn Willemse, NP-C's license?
NPPES lists California license number 95001558, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jessica Lynn Willemse, NP-C prescribe under Medicare Part D?
In 2024, Jessica Lynn Willemse, NP-C had 1,444 Medicare Part D claims for 152 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.