Katrina A. Casimiro, NP, MSN
Primary Care Nurse Practitioner · Los Angeles, CA
Katrina A. Casimiro, NP, MSN is a primary care nurse practitioner with a practice address in Los Angeles, California, and NPI 1629319017, issued on Mar 8, 2013. Check the license (California 20457, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrina A. Casimiro
- Credential
- NP, MSN
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 20457 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Enumerated
- Mar 8, 2013
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sadeea Abbasi, M.D., PH.D.Gastroenterology Physician1366713513
- Danna Abdel-Khader, MDInternal Medicine Physician1780977827
- Terri Leigh Abe, MDInternal Medicine Physician1881897569
- Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
- Zachary AbelsonObstetrics & Gynecology Physician1689237414
- Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484
Verify Katrina A. Casimiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
517 Medicare Part D claims for 175 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Amlodipine Besylate46 claims
- Omeprazole22 claims
- Atorvastatin Calcium20 claims
- Gabapentin20 claims
- Metformin Hcl19 claims
- Levothyroxine Sodium17 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: $546.21
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,321 providers of this specialty with any payment received $625.13 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.
Katrina A. Casimiro among 1,131 primary care nurse practitioner records in California
Katrina A. Casimiro, NP, MSN is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 17% of them.
- NPI issued2013 · 17% of these records are older, 80% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 35% of these records are
- Record last updated2018 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in Los Angeles → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Veronica BecerraLos Angeles, CA 900331356823645
- Carol Cisneros-Rivas, NURSE PRACTITIONERLos Angeles, CA 900331093919276
- Vanessa Fitch, NP-BCLos Angeles, CA 900331942567474
- Maria Edith Henriquez, FNPLos Angeles, CA 900331841827672
- George LeLos Angeles, CA 900331588087282
- Lynette Martin Del Campo, FNP-CLos Angeles, CA 900331932590346
- Aida MartinezLos Angeles, CA 900331548107097
- Samantha Parra, NURSE PRACTITIONERLos Angeles, CA 900331508638297
Common questions
What is Katrina A. Casimiro, NP, MSN's NPI number?
Katrina A. Casimiro, NP, MSN's National Provider Identifier (NPI) is 1629319017, issued on Mar 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katrina A. Casimiro, NP, MSN located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Providers update this record themselves, so call before visiting.
How can I verify Katrina A. Casimiro, NP, MSN's license?
NPPES lists California license number 20457, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katrina A. Casimiro, NP, MSN prescribe under Medicare Part D?
In 2024, Katrina A. Casimiro, NP, MSN had 517 Medicare Part D claims for 175 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.