Kathleen Kay Rosario, NP
Nurse Practitioner · Los Angeles, CA
Kathleen Kay Rosario, NP is a nurse practitioner with a practice address in Los Angeles, California, and NPI 1750995478, issued on Aug 31, 2020. Check the license (California 95014790, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Kay Rosario
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95014790 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St Ste 1000, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- Aug 31, 2020
- Record last updated
- Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201119000601); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1520 San Pablo St Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Kay Rosario in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95014790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average nurse practitioner in 2024
639 Medicare Part D claims for 175 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Stelara164 claims
- Mesalamine77 claims
- Gavilyte-G42 claims
- Omeprazole38 claims
- Famotidine25 claims
- Diphenoxylate-Atropine19 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: $958.32
24 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Bills Medicare through one group practice
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Kay Rosario among 8,223 nurse practitioner records in California
Kathleen Kay Rosario, NP 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 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2019 · median 2017 among the 3,425 with a school on file
- Record last updated2021 · 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 Los Angeles → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Parvaneh Afshari, RNPLos Angeles, CA 900331730270828
- Elsie Alfaro, NPLos Angeles, CA 900331548481062
- Ligaya CastilloLos Angeles, CA 900331003940503
- Beverly Crawford, RNPLos Angeles, CA 900331265528236
- Beverly Dixon, RNPLos Angeles, CA 900331457447401
- Nasrin Esnaashari, NPLos Angeles, CA 900331831389477
- Paige Hardin, RNPLos Angeles, CA 900331154417053
- Ileana Meza, RNLos Angeles, CA 900331588750335
Common questions
What is Kathleen Kay Rosario, NP's NPI number?
Kathleen Kay Rosario, NP's National Provider Identifier (NPI) is 1750995478, issued on Aug 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Kay Rosario, NP located?
The NPPES record lists a practice address at 1520 San Pablo St Ste 1000, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Kay Rosario, NP's license?
NPPES lists California license number 95014790, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Kay Rosario, NP prescribe under Medicare Part D?
In 2024, Kathleen Kay Rosario, NP had 639 Medicare Part D claims for 175 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.