Oscar Lleva, FNP-BC
Acute Care Nurse Practitioner · San Francisco, CA
Oscar Lleva, FNP-BC is an acute care nurse practitioner with a practice address in San Francisco, California, and NPI 1568856102, issued on Mar 21, 2015. Check the license (California 95004319, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oscar Lleva
- Credential
- FNP-BC
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 95004319 CA
RN298621 GA
339413 NY
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 885-7528
- Enumerated
- Mar 21, 2015
- Record last updated
- Jun 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20210607002471); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
- Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
- Abul Abbas, MBBSAnatomic Pathology Physician1881652964
- Jesse Abelson, MDInternal Medicine Physician1083843817
- Rhonald AbitonaAcute Care Nurse Practitioner1164993473
Verify Oscar Lleva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95004319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
134 Medicare Part D claims for 40 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Levothyroxine Sodium33 claims
- Chlorhexidine Gluconate19 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.
The MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- The Emory Clinic IncAtlanta, GA
- Ucsf Medical Group Business ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oscar Lleva among 1,810 acute care nurse practitioner records in California
Oscar Lleva, FNP-BC is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% 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 32% of them.
- NPI issued2015 · 32% of these records are older, 65% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2014 · median 2018 among the 993 with a school on file
- Record last updated2025 · 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 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in San Francisco → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Christopher Acebedo, NPSan Francisco, CA 941431104085109
- Maureen Mary Arriola, NPSan Francisco, CA 941431063656122
- Marlene BurtSan Francisco, CA 941431740482405
- Thomas Farley, NP MSNSan Francisco, CA 941431629100656
- Cana Jenkins, RN, ACNPSan Francisco, CA 941431427295070
- Kenneth Johnson, N.P.San Francisco, CA 941431598956856
- Carl Kulpa, DNP, ANP-BC, ACNP-BCSan Francisco, CA 941431073846044
- Lesha McPeak, NPSan Francisco, CA 941431568777308
Common questions
What is Oscar Lleva, FNP-BC's NPI number?
Oscar Lleva, FNP-BC's National Provider Identifier (NPI) is 1568856102, issued on Mar 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Lleva, FNP-BC located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 885-7528. Providers update this record themselves, so call before visiting.
How can I verify Oscar Lleva, FNP-BC's license?
NPPES lists California license number 95004319, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Oscar Lleva, FNP-BC prescribe under Medicare Part D?
In 2024, Oscar Lleva, FNP-BC had 134 Medicare Part D claims for 40 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Oscar Lleva, FNP-BC's MIPS final score?
The 2023 MIPS final score is 92.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.