Rafael Herrera
Physician Assistant · Santa Ana, CA
Rafael Herrera is a physician assistant with a practice address in Santa Ana, California, and NPI 1720399843, issued on Jun 23, 2010. Check the license (California PA19314, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rafael Herrera
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA19314 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1617 E 1St St, Santa Ana, CA 92701
- Phone
- (714) 246-0000
- Enumerated
- Jun 23, 2010
- Record last updated
- Jun 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1617 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ramona Obeso, PA-CPhysician Assistant1902092596
- John Reid, P.A.Medical Physician Assistant1457607558
Verify Rafael Herrera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19314Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average physician assistant in 2024
940 Medicare Part D claims for 70 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Metformin Hcl73 claims
- Atorvastatin Calcium71 claims
- Amlodipine Besylate60 claims
- Benazepril Hcl51 claims
- Losartan Potassium35 claims
- Levothyroxine Sodium31 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.
Rafael Herrera among 14,451 physician assistant records in California
Rafael Herrera 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 2010, is newer than 27% of them.
- NPI issued2010 · 27% of these records are older, 70% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2010 · 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).
124 physician assistant records list a practice address in Santa Ana
They are 124 of the 8,904 NPPES records with a practice address in Santa Ana, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Ana → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Himelda Churchill, PA-CSanta Ana, CA 927011912472747
- Bailey Frisch, PA-CSanta Ana, CA 927011760046742
- Crystal GilSanta Ana, CA 927011255064390
- Gustavo Loza, PA-CSanta Ana, CA 927011700027703
- Michael Moreno, PA-CSanta Ana, CA 927011912614298
- Fred Mumia, PHYSICIAN ASSISTANTSanta Ana, CA 927011245491067
- Ramona Obeso, PA-CSanta Ana, CA 927011902092596
- Randi Passero, PA CSanta Ana, CA 927011417933409
Common questions
What is Rafael Herrera's NPI number?
Rafael Herrera's National Provider Identifier (NPI) is 1720399843, issued on Jun 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rafael Herrera located?
The NPPES record lists a practice address at 1617 E 1St St, Santa Ana, CA, 92701. Phone: (714) 246-0000. Providers update this record themselves, so call before visiting.
How can I verify Rafael Herrera's license?
NPPES lists California license number PA19314, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rafael Herrera prescribe under Medicare Part D?
In 2024, Rafael Herrera had 940 Medicare Part D claims for 70 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.