Richard D. De Castro, PA-C
Surgical Physician Assistant · Daly City, CA
Richard D. De Castro, PA-C is a surgical physician assistant with a practice address in Daly City, California, and NPI 1295908861, issued on Apr 3, 2008. Check the license (California PA19596, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard D. De Castro
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA19596 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Sullivan Ave, Daly City, CA 94015
- Phone
- (650) 756-5630
- Enumerated
- Apr 3, 2008
- Record last updated
- Sep 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (650) 756-0136
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 1850 Sullivan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elsa Agasid, F.N.P.Family Nurse Practitioner1962592360
- Hermenegildo Angeles, MD APCGeriatric Medicine (Family Medicine) Physician1396712303
- Victoria Barber, MDOrthopaedic Surgery Physician1962418533
- Maria Bautista, N.PFamily Nurse Practitioner1801261920
- Kevin Blodgett, PA-CPhysician Assistant1619173010
- Christian Bocobo, M.D.Physical Medicine & Rehabilitation Physician1447212428
Verify Richard D. De Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19596Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average surgical physician assistant in 2024
11 Medicare Part D claims, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D.
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.
Richard D. De Castro among 1,075 surgical physician assistant records in California
Richard D. De Castro, PA-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2010 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Daly City → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Jennifer BohannanBurlingame, CA 940101912417676
- Juan-Carlos Chavez, PA-CBurlingame, CA 940101497059117
- Rebecca Gillilan, PA -CBurlingame, CA 940101841710969
- Jeremy Nicoloff, PA-CBurlingame, CA 940101912370305
- Darryl Sarzaba, PA-CBurlingame, CA 940101891164471
- Arielle Shlobin, PA-CBurlingame, CA 940101073356762
- Brianna Smith, PA-CBurlingame, CA 940101376124651
- Benjamin Walsh, PA-CBurlingame, CA 940101558982587
Common questions
What is Richard D. De Castro, PA-C's NPI number?
Richard D. De Castro, PA-C's National Provider Identifier (NPI) is 1295908861, issued on Apr 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Richard D. De Castro, PA-C located?
The NPPES record lists a practice address at 1850 Sullivan Ave, Daly City, CA, 94015. Phone: (650) 756-5630. Providers update this record themselves, so call before visiting.
How can I verify Richard D. De Castro, PA-C's license?
NPPES lists California license number PA19596, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Richard D. De Castro, PA-C prescribe under Medicare Part D?
In 2024, Richard D. De Castro, PA-C had 11 Medicare Part D claims; the average among surgical physician assistant prescribers was 304. 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.