NPPES file of Aug 9, 2026

Charlene Osorio Patriarca, MSN, NP-C

Family Nurse Practitioner · Whittier, CA

Charlene Osorio Patriarca, MSN, NP-C is a family nurse practitioner with a practice address in Whittier, California, and NPI 1043875339, issued on May 2, 2019. Check the license (California 95011622, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043875339
Name
Charlene Osorio Patriarca
Credential
MSN, NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95011622 CA
Self-reported in NPPES; status is on the state search
Practice location
12401 Washington Blvd, Whittier, CA 90602
Phone
(562) 698-0811
Enumerated
May 2, 2019
Record last updated
Jul 13, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200204001480); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 12401 Washington Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anas Abu-Khader, MDInternal Medicine Physician1881180784
  2. Johanna Aceves, NPNurse Practitioner1841415502
  3. Kariann Akiyama, MS, RDN, CNSCRegistered Dietitian1639870009
  4. Syed Ali, MDAnesthesiology Physician1295775625
  5. Jamee Ambariantz, PAPhysician Assistant1790726123
  6. Talin Azilazyan, PHARMDPharmacist1700739372

Verify Charlene Osorio Patriarca in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95011622
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

49% fewer Medicare Part D claims than the average family nurse practitioner in 2024

663 Medicare Part D claims for 277 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Charlene Patriarca663
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass42 claims
  2. Doxycycline Hyclate38 claims
  3. Levofloxacin37 claims
  4. Furosemide26 claims
  5. Prednisone25 claims
  6. Cephalexin22 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score62.7
  2. Costout of 100 · 30%59.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Pih Health PhysiciansDowney, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Charlene Osorio Patriarca among 16,966 family nurse practitioner records in California

Charlene Osorio Patriarca, MSN, 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 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
  • Graduated2019 · median 2019 among the 6,793 with a school on file
  • Record last updated2019 · 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).

67 family nurse practitioner records list a practice address in Whittier

They are 67 of the 2,836 NPPES records with a practice address in Whittier, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Analine Almojera- De Leus, FNPWhittier, CA 906021841615895
  2. Deborah Bent, NPWhittier, CA 906021659469229
  3. Kristine Castaneda, NPWhittier, CA 906021245721323
  4. Patricia Cox, RNPWhittier, CA 906021457575144
  5. Estrella Guerrero, FNPWhittier, CA 906021407357866
  6. Xiaofei Guo, MSN, FNPWhittier, CA 906021265958623
  7. Lain Lee, NURSE PRACTITIONERWhittier, CA 906021538780218
  8. Rosemary Melesko, NPWhittier, CA 906021609120435

Common questions

What is Charlene Osorio Patriarca, MSN, NP-C's NPI number?

Charlene Osorio Patriarca, MSN, NP-C's National Provider Identifier (NPI) is 1043875339, issued on May 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Charlene Osorio Patriarca, MSN, NP-C located?

The NPPES record lists a practice address at 12401 Washington Blvd, Whittier, CA, 90602. Phone: (562) 698-0811. Providers update this record themselves, so call before visiting.

How can I verify Charlene Osorio Patriarca, MSN, NP-C's license?

NPPES lists California license number 95011622, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Charlene Osorio Patriarca, MSN, NP-C prescribe under Medicare Part D?

In 2024, Charlene Osorio Patriarca, MSN, NP-C had 663 Medicare Part D claims for 277 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Charlene Osorio Patriarca, MSN, NP-C's MIPS final score?

The 2023 MIPS final score is 76.3 of 100, reported for the practice group. 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.