Karen Yvonne Villarreal, FNP
Primary Care Nurse Practitioner · Visalia, CA
Karen Yvonne Villarreal, FNP is a primary care nurse practitioner with a practice address in Visalia, California, and NPI 1518341874, issued on Jul 16, 2015. Check the license (California 95002708, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Yvonne Villarreal
- Credential
- FNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 95002708 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2324 E Chestnut CT, Visalia, CA 93292
- Phone
- (559) 289-4124
- Enumerated
- Jul 16, 2015
- Record last updated
- Jul 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Verify Karen Yvonne Villarreal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95002708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
199 Medicare Part D claims for 88 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass17 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.
Industry payments in 2024: $401.82
6 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 4,321 providers of this specialty with any payment received $625.13 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karen Yvonne Villarreal among 1,131 primary care nurse practitioner records in California
Karen Yvonne Villarreal, FNP is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 22% of them.
- NPI issued2015 · 22% of these records are older, 73% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 35% of these records are
- Record last updated2015 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in Visalia → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Carolyn Gress, FNPVisalia, CA 932911366918179
- Patricia HernandezVisalia, CA 932911598601676
- Andrea Van Beek, NPVisalia, CA 932911760927867
- Thin Bui, NURSE PRACTITIONERBakersfield, CA 933011790160299
- Leilani Capote, NPBakersfield, CA 933011568285468
- Carmen Morales, NURSE PRACTITIONERBakersfield, CA 933051295867372
- Melissa Sherman, RNBakersfield, CA 933051639549751
- Pernian AbadiBakersfield, CA 933061801760814
Common questions
What is Karen Yvonne Villarreal, FNP's NPI number?
Karen Yvonne Villarreal, FNP's National Provider Identifier (NPI) is 1518341874, issued on Jul 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Karen Yvonne Villarreal, FNP located?
The NPPES record lists a practice address at 2324 E Chestnut CT, Visalia, CA, 93292. Phone: (559) 289-4124. Providers update this record themselves, so call before visiting.
How can I verify Karen Yvonne Villarreal, FNP's license?
NPPES lists California license number 95002708, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Yvonne Villarreal, FNP prescribe under Medicare Part D?
In 2024, Karen Yvonne Villarreal, FNP had 199 Medicare Part D claims for 88 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.