Rafael Romero, PA-C
Medical Physician Assistant · Ontario, CA
Rafael Romero, PA-C is a medical physician assistant with a practice address in Ontario, California, and NPI 1801127170, issued on Jan 26, 2010. Check the license (California PA 20676, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rafael Romero
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA 20676 CA
Self-reported in NPPES; status is on the state search - Practice location
- 521 E Park St, Ontario, CA 91761
- Phone
- (909) 229-7153
- Enumerated
- Jan 26, 2010
- Record last updated
- Jan 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Verify Rafael Romero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 20676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average medical physician assistant in 2024
2,725 Medicare Part D claims for 179 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium205 claims
- Metformin Hcl121 claims
- Lisinopril113 claims
- Losartan Potassium107 claims
- Gabapentin81 claims
- Simvastatin81 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 Romero among 3,376 medical physician assistant records in California
Rafael Romero, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 42% of them.
- NPI issued2010 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2010 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Ontario → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Lilian Chou, PA-COntario, CA 917611306175021
- Brett Heslop, PA-COntario, CA 917611942601018
- Gregory Musselman, PA-COntario, CA 917611659829513
- Cristina VelasquezOntario, CA 917611114735511
- Audrey WagdyOntario, CA 917611366225906
- Jennifer Yim, PA-COntario, CA 917621588907802
- Esther Agepogu, PA-CMontclair, CA 917631982846499
- Charinda Charoen, P.A.Montclair, CA 917631437440625
Common questions
What is Rafael Romero, PA-C's NPI number?
Rafael Romero, PA-C's National Provider Identifier (NPI) is 1801127170, issued on Jan 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rafael Romero, PA-C located?
The NPPES record lists a practice address at 521 E Park St, Ontario, CA, 91761. Phone: (909) 229-7153. Providers update this record themselves, so call before visiting.
How can I verify Rafael Romero, PA-C's license?
NPPES lists California license number PA 20676, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rafael Romero, PA-C prescribe under Medicare Part D?
In 2024, Rafael Romero, PA-C had 2,725 Medicare Part D claims for 179 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.