Viola Ninchak, FNP
Family Nurse Practitioner · La Jolla, CA
Viola Ninchak, FNP is a family nurse practitioner with a practice address in La Jolla, California, and NPI 1275007403, issued on Jan 22, 2019. Check the license (California 95010549, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Viola Ninchak
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95010549 CA
95062783 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave Ste 530, La Jolla, CA 92037
- Phone
- (760) 631-3000
- Enumerated
- Jan 22, 2019
- Record last updated
- Nov 21, 2022
- Fax
- (858) 412-5028
- Medicare enrollment
- Enrolled (PECOS I20210326002290); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 9850 Genesee Ave Ste 530
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Viola Ninchak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95010549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family nurse practitioner in 2024
742 Medicare Part D claims for 178 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Ubrelvy127 claims
- Ajovy Autoinjector92 claims
- Donepezil Hcl56 claims
- Memantine Hcl56 claims
- Rivastigmine52 claims
- Ondansetron Odt45 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: $121.26
1 payment: food and beverage; the largest payer was Eisai Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Viola Ninchak among 16,966 family nurse practitioner records in California
Viola Ninchak, FNP 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 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2018 · median 2019 among the 6,793 with a school on file
- Record last updated2022 · 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).
98 family nurse practitioner records list a practice address in La Jolla
They are 98 of the 3,648 NPPES records with a practice address in La Jolla, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in La Jolla → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jonvanni BongolanLa Jolla, CA 920371124335807
- Elisabeth Evans, N.P.La Jolla, CA 920371194858589
- Monsita Faley, FNPLa Jolla, CA 920371457530180
- Jane Hadinger, CFNP, CPNPLa Jolla, CA 920371629158589
- Robert Jones, FNPLa Jolla, CA 920371699783852
- Amy Kaner, ARNPLa Jolla, CA 920371518100031
- Nikoo Kashefi, FNP-BCLa Jolla, CA 920371699950071
- Deanna Kudulis, NPLa Jolla, CA 920371285715052
Common questions
What is Viola Ninchak, FNP's NPI number?
Viola Ninchak, FNP's National Provider Identifier (NPI) is 1275007403, issued on Jan 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Viola Ninchak, FNP located?
The NPPES record lists a practice address at 9850 Genesee Ave Ste 530, La Jolla, CA, 92037. Phone: (760) 631-3000. Providers update this record themselves, so call before visiting.
How can I verify Viola Ninchak, FNP's license?
NPPES lists California license number 95010549, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Viola Ninchak, FNP prescribe under Medicare Part D?
In 2024, Viola Ninchak, FNP had 742 Medicare Part D claims for 178 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.