Gregory Castle
Physician Assistant · Santa Maria, CA
Gregory Castle is a physician assistant with a practice address in Santa Maria, California, and NPI 1700669306, issued on Aug 16, 2023. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory Castle
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 2050 S Blosser RD, Santa Maria, CA 93458
- Phone
- (866) 614-4636
- Enumerated
- Aug 16, 2023
- Record last updated
- Aug 16, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
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Verify Gregory Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Castle among 14,451 physician assistant records in California
Gregory Castle 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 not. Its NPI, issued in 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileNo · 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).
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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,451 in California → Every provider in Santa Maria → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Cynthia Arias, PASanta Maria, CA 934581346920949
- John ButlerSanta Maria, CA 934581528741774
- Brandy Carrillo, PA-CSanta Maria, CA 934581760937338
- Leah Clarke, PASanta Maria, CA 934581669640827
- Mason Collins, PA-CSanta Maria, CA 934581770361990
- Francisco Debs, PASanta Maria, CA 934581679355192
- Jeremy Espino, PASanta Maria, CA 934581689854044
- Latavia Esters, PA-CSanta Maria, CA 934581619157831
Common questions
What is Gregory Castle's NPI number?
Gregory Castle's National Provider Identifier (NPI) is 1700669306, issued on Aug 16, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Castle located?
The NPPES record lists a practice address at 2050 S Blosser RD, Santa Maria, CA, 93458. Phone: (866) 614-4636. Providers update this record themselves, so call before visiting.
How can I verify Gregory Castle's license?
Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.