Alfonso Becerra, PHYSICIAN ASSISTANT
Medical Physician Assistant · Fontana, CA
Alfonso Becerra, PHYSICIAN ASSISTANT is a medical physician assistant with a practice address in Fontana, California, and NPI 1275717506, issued on Dec 21, 2007. Check the license (California PA19493, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alfonso Becerra
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA19493 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17051 Sierra Lakes Pkwy, Fontana, CA 92336
- Phone
- (909) 428-1800
- Enumerated
- Dec 21, 2007
- Record last updated
- May 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 428-0494
- Medicare enrollment
- Enrolled (PECOS I20090817000678); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 17051 Sierra Lakes Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christi Wiley, M.D.Family Medicine Physician1629231147
Verify Alfonso Becerra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average medical physician assistant in 2024
554 Medicare Part D claims for 271 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Azithromycin56 claims
- Methylprednisolone53 claims
- Albuterol Sulfate Hfa52 claims
- Amoxicillin-Clavulanate Potass34 claims
- Amoxicillin24 claims
- Cephalexin23 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.
Industry payments in 2024: $50.38
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Emergency MedicineSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
Other medical physician assistant records in California
- Bridget Abajian, PA-CLos Angeles, CA1518677061
- Crispin Abbott, PHYSICIAN ASSISTANTThousand Oaks, CA1063467926
- Abdol Hamid Abdali Hajiabadi, P.A.Santa Ana, CA1285747964
- Jilbert Abnoosian, PALynwood, CA1447300314
- Reema Aboelrish, PA-CFresno, CA1376466144
- Sakina Abowath, P.A.Diamond Bar, CA1326287525
- Selin Abraamyan, PA-CGlendale, CA1144795899
- Antonious Abraham, PA-CCovina, CA1003434275
- Michelle AbrahamSacramento, CA1952875957
- Therese Abraham, P.A.-CGlendale, CA1063726586
Common questions
What is Alfonso Becerra, PHYSICIAN ASSISTANT's NPI number?
Alfonso Becerra, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1275717506, issued on Dec 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alfonso Becerra, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 17051 Sierra Lakes Pkwy, Fontana, CA, 92336. Phone: (909) 428-1800. Providers update this record themselves, so call before visiting.
How can I verify Alfonso Becerra, PHYSICIAN ASSISTANT's license?
NPPES lists California license number PA19493, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Alfonso Becerra, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Alfonso Becerra, PHYSICIAN ASSISTANT had 554 Medicare Part D claims for 271 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.