NPPES file of Aug 9, 2026

Justin Jacob Ramirez, P.A.

Physician Assistant · Mission Hills, CA

Justin Jacob Ramirez, P.A. is a physician assistant with a practice address in Mission Hills, California, and NPI 1942861182, issued on Jun 27, 2019. Check the license (California 56950, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942861182
Name
Justin Jacob Ramirez
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
56950 CA
Self-reported in NPPES; status is on the state search
Practice location
11333 Sepulveda Blvd, Mission Hills, CA 91345
Phone
(818) 365-9531
Enumerated
Jun 27, 2019
Record last updated
Sep 26, 2023
Medicare enrollment
Enrolled (PECOS I20200218002728); 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 11333 Sepulveda Blvd

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

  1. Rafik Abdou, M.DInternal Medicine Physician1740594415
  2. Arin Abnoosian, M.D.Psychiatry Physician1255661658
  3. Lord Listowel Addo-Yirenkyi, MDHospitalist Physician1588140008
  4. Shanta Adhikari, NPFamily Nurse Practitioner1417453945
  5. Faraz Ali, M.D.Internal Medicine Physician1598170938
  6. Karine Aloyan, M.D.Internal Medicine Physician1548919673

Verify Justin Jacob Ramirez 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 56950
    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.

66% fewer Medicare Part D claims than the average physician assistant in 2024

285 Medicare Part D claims for 143 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 133 claims were for opioids.

  1. Justin Ramirez285
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen48 claims
  2. Oxycodone Hcl43 claims
  3. Ondansetron Odt25 claims
  4. Oxycodone-Acetaminophen20 claims
  5. Meloxicam19 claims
  6. Acetaminophen-Codeine12 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupBakersfield, CA

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

Justin Jacob Ramirez among 14,451 physician assistant records in California

Justin Jacob Ramirez, P.A. is one of 14,451 physician assistant records with a practice address in California. 75% 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 56% of them.

  • NPI issued2019 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2019 · median 2018 among the 7,214 with a school on file
  • Record last updated2023 · 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 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 physician assistant records list a practice address in Mission Hills

They are 25 of the 731 NPPES records with a practice address in Mission Hills, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Marian Ammari, P.A. CMission Hills, CA 913451821313875
  2. Yiling Chen, PAMission Hills, CA 913451215429733
  3. Pierce CorcoranMission Hills, CA 913451205319092
  4. Catherine Czubiak, PA-CMission Hills, CA 913451578884136
  5. Francisco De La Parra, P.A.-CMission Hills, CA 913451629472196
  6. Lisa Hayakawa, PA-CMission Hills, CA 913451023455706
  7. Joel Hernandez, PA-CMission Hills, CA 913451467813162
  8. Jennifer Kulesza, PAMission Hills, CA 913451801251087

Common questions

What is Justin Jacob Ramirez, P.A.'s NPI number?

Justin Jacob Ramirez, P.A.'s National Provider Identifier (NPI) is 1942861182, issued on Jun 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Justin Jacob Ramirez, P.A. located?

The NPPES record lists a practice address at 11333 Sepulveda Blvd, Mission Hills, CA, 91345. Phone: (818) 365-9531. Providers update this record themselves, so call before visiting.

How can I verify Justin Jacob Ramirez, P.A.'s license?

NPPES lists California license number 56950, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Justin Jacob Ramirez, P.A. prescribe under Medicare Part D?

In 2024, Justin Jacob Ramirez, P.A. had 285 Medicare Part D claims for 143 beneficiaries; the average among physician assistant prescribers was 830. 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.