Robert Fontanilla, PA-C
Physician Assistant · Riverside, CA
Robert Fontanilla, PA-C is a physician assistant with a practice address in Riverside, California, and NPI 1184005258, issued on Jun 15, 2015. Check the license (California PA52552, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Fontanilla
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA52552 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1970 University Ave, Riverside, CA 92507
- Phone
- (833) 867-4642
- Enumerated
- Jun 15, 2015
- Entity
- Type 1 · individual
Also registered at 1970 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Fontanilla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA52552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
88% fewer Medicare Part D claims than the average physician assistant in 2024
98 Medicare Part D claims for 19 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Atorvastatin Calcium11 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: $977.19
18 payments, mostly food and beverage; the largest payer was Gilead Sciences, Inc.. The 61,144 providers of this specialty with any payment received $853.85 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.
159 physician assistant records list a Riverside practice address
They are 159 of the 13,893 NPPES records with a Riverside practice address, and 13,861 physician assistant records in California.
All 159 in Riverside → All 13,861 in California → Every provider in Riverside →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
- Fatimeh Abdallah, P.A.-CNewport Beach, CA1487002218
Common questions
What is Robert Fontanilla, PA-C's NPI number?
Robert Fontanilla, PA-C's National Provider Identifier (NPI) is 1184005258, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Robert Fontanilla, PA-C located?
The NPPES record lists a practice address at 1970 University Ave, Riverside, CA, 92507. Phone: (833) 867-4642. Providers update this record themselves, so call before visiting.
How can I verify Robert Fontanilla, PA-C's license?
NPPES lists California license number PA52552, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Fontanilla, PA-C prescribe under Medicare Part D?
In 2024, Robert Fontanilla, PA-C had 98 Medicare Part D claims for 19 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.