Pierce Corcoran
Physician Assistant · Mission Hills, CA
Pierce Corcoran is a physician assistant with a practice address in Mission Hills, California, and NPI 1205319092, issued on Sep 8, 2018. Check the license (California 57457, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Pierce Corcoran
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 57457 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15031 Rinaldi St, Mission Hills, CA 91345
- Phone
- (818) 496-1270
- Enumerated
- Sep 8, 2018
- Record last updated
- Aug 30, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 15031 Rinaldi St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Pierce Corcoran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average physician assistant in 2024
240 Medicare Part D claims for 185 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Cephalexin49 claims
- Hydrocodone-Acetaminophen24 claims
- Ondansetron Odt24 claims
- Prednisone24 claims
- Azithromycin23 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): 94.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Pierce Corcoran among 14,451 physician assistant records in California
Pierce Corcoran 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 2018, is newer than 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- 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.
All 14,451 in California → Every provider in Mission Hills → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Marian Ammari, P.A. CMission Hills, CA 913451821313875
- Yiling Chen, PAMission Hills, CA 913451215429733
- Catherine Czubiak, PA-CMission Hills, CA 913451578884136
- Francisco De La Parra, P.A.-CMission Hills, CA 913451629472196
- Lisa Hayakawa, PA-CMission Hills, CA 913451023455706
- Joel Hernandez, PA-CMission Hills, CA 913451467813162
- Jennifer Kulesza, PAMission Hills, CA 913451801251087
- Carlos Larin, PAMission Hills, CA 913451104893254
Common questions
What is Pierce Corcoran's NPI number?
Pierce Corcoran's National Provider Identifier (NPI) is 1205319092, issued on Sep 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Pierce Corcoran located?
The NPPES record lists a practice address at 15031 Rinaldi St, Mission Hills, CA, 91345. Phone: (818) 496-1270. Providers update this record themselves, so call before visiting.
How can I verify Pierce Corcoran's license?
NPPES lists California license number 57457, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Pierce Corcoran prescribe under Medicare Part D?
In 2024, Pierce Corcoran had 240 Medicare Part D claims for 185 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Pierce Corcoran's MIPS final score?
The 2023 MIPS final score is 94.6 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.