Ana Y. Lemus, FNP
Nurse Practitioner · Ontario, CA
Ana Y. Lemus, FNP is a nurse practitioner with a practice address in Ontario, California, and NPI 1932614203, issued on Dec 8, 2017. Check the license (California 95007661, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ana Y. Lemus
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95007661 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 Centre Lake Dr Ste 512, Ontario, CA 91761
- Phone
- (909) 566-0445
- Enumerated
- Dec 8, 2017
- Record last updated
- Oct 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 3401 Centre Lake Dr Ste 512
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ashley McCabe, NPPrimary Care Nurse Practitioner1396146882
- Spencer Nguyen, FNPFamily Nurse Practitioner1760808125
Verify Ana Y. Lemus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95007661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
36 Medicare Part D claims for 30 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Odt13 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: $41.06
2 payments; by number, the most common kind was food and beverage; the largest payer was Averitas Pharma Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Ana Y. Lemus among 8,223 nurse practitioner records in California
Ana Y. Lemus, FNP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2019 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Ontario → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Derek Diaz, NPOntario, CA 917611831811157
- Jeanne Jackson, FNPOntario, CA 917611508622150
- Hailey LeeOntario, CA 917611043186521
- Saquib Mohammed, FNPOntario, CA 917611205380060
- Hope Santiago, NPOntario, CA 917611245226000
- Stefanie Varela, N.P.Ontario, CA 917611447322672
- Vicenta Yasay, NPOntario, CA 917611881889145
- Nathali CanedoOntario, CA 917621730967860
Common questions
What is Ana Y. Lemus, FNP's NPI number?
Ana Y. Lemus, FNP's National Provider Identifier (NPI) is 1932614203, issued on Dec 8, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ana Y. Lemus, FNP located?
The NPPES record lists a practice address at 3401 Centre Lake Dr Ste 512, Ontario, CA, 91761. Phone: (909) 566-0445. Providers update this record themselves, so call before visiting.
How can I verify Ana Y. Lemus, FNP's license?
NPPES lists California license number 95007661, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ana Y. Lemus, FNP prescribe under Medicare Part D?
In 2024, Ana Y. Lemus, FNP had 36 Medicare Part D claims for 30 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.