Robert Pedroza
Physician Assistant · Ontario, CA
Robert Pedroza is a physician assistant with a practice address in Ontario, California, and NPI 1821832551, issued on Jun 19, 2024. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Pedroza
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 4241 E Malagon Privado Unit 43, Ontario, CA 91761
- Phone
- (323) 712-0739
- Enumerated
- Jun 19, 2024
- Record last updated
- Jun 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20241126001443); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2024
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Robert Pedroza 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
79% fewer Medicare Part D claims than the average physician assistant in 2024
178 Medicare Part D claims for 37 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 125 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen61 claims
- Pregabalin29 claims
- Oxycodone Hcl26 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
- Orca Rehab IncFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Pedroza among 14,451 physician assistant records in California
Robert Pedroza 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 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2024 · median 2018 among the 7,214 with a school on file
- Record last updated2024 · 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).
37 physician assistant records list a practice address in Ontario
They are 37 of the 5,375 NPPES records with a practice address in Ontario, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Ontario → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kevin BellOntario, CA 917611497159818
- Lauren BoldaOntario, CA 917611497286082
- Charmaine Collins-Cepeda, PA-COntario, CA 917611801054820
- Carly Erard, PAOntario, CA 917611205087699
- Marcus Harris, P.A-COntario, CA 917611134144876
- Sepideh Homayoni, PA-COntario, CA 917611003357955
- Carol Kwak, PA-COntario, CA 917611891303293
- Nicholas Pena, PA-COntario, CA 917611083176077
Common questions
What is Robert Pedroza's NPI number?
Robert Pedroza's National Provider Identifier (NPI) is 1821832551, issued on Jun 19, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Robert Pedroza located?
The NPPES record lists a practice address at 4241 E Malagon Privado Unit 43, Ontario, CA, 91761. Phone: (323) 712-0739. Providers update this record themselves, so call before visiting.
How can I verify Robert Pedroza's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Pedroza prescribe under Medicare Part D?
In 2024, Robert Pedroza had 178 Medicare Part D claims for 37 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.