Marina Castanedo Leonard, PHYSICIAN ASSISTANT
Physician Assistant · Santa Maria, CA
Marina Castanedo Leonard, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Santa Maria, California, and NPI 1235623497, issued on Jun 20, 2018. Check the license (California PA55744, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marina Castanedo Leonard
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA55744 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Church St, Santa Maria, CA 93454
- Phone
- (805) 739-3200
- Enumerated
- Jun 20, 2018
- Record last updated
- Jun 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250124001959); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1400 E Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrea ArthoferStudent in an Organized Health Care Education/Training Program1225772973
- Hannah Barrows, PA-CPhysician Assistant1528747128
- Nader Batal, DOFamily Medicine Physician1740923135
Verify Marina Castanedo Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA55744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average physician assistant in 2024
106 Medicare Part D claims for 59 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro12 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
- Multicare Health SystemTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marina Castanedo Leonard among 14,451 physician assistant records in California
Marina Castanedo Leonard, PHYSICIAN ASSISTANT 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 fileYes · 50% of these records are
- Graduated2018 · median 2018 among the 7,214 with a school on file
- Record last updated2020 · 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).
150 physician assistant records list a practice address in Santa Maria
They are 150 of the 3,047 NPPES records with a practice address in Santa Maria, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Maria → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jenny Andrews, PASanta Maria, CA 934541407159429
- Joel Breck, PA, MPHSanta Maria, CA 934541194261099
- Ashley Bridges, PA-CSanta Maria, CA 934541780088328
- Tressa Esty, PA-CSanta Maria, CA 934541720282718
- Anne Hall, PASanta Maria, CA 934541821080060
- Nathan Hamblin, PASanta Maria, CA 934541891123550
- Kelly Piazza, PA-CSanta Maria, CA 934541043560915
- Delane Price, PA-CSanta Maria, CA 934541720025729
Common questions
What is Marina Castanedo Leonard, PHYSICIAN ASSISTANT's NPI number?
Marina Castanedo Leonard, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1235623497, issued on Jun 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Marina Castanedo Leonard, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 1400 E Church St, Santa Maria, CA, 93454. Phone: (805) 739-3200. Providers update this record themselves, so call before visiting.
How can I verify Marina Castanedo Leonard, PHYSICIAN ASSISTANT's license?
NPPES lists California license number PA55744, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marina Castanedo Leonard, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Marina Castanedo Leonard, PHYSICIAN ASSISTANT had 106 Medicare Part D claims for 59 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.