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
- Record last updated
- Dec 11, 2024
- Fax
- (360) 462-5825
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1970 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philip Bradford, DDSGeneral Practice Dentistry1558419945
- Maria Bueno, DMDDentist1609996107
- Natalia Cardenas, PA-CMedical Physician Assistant1538542709
- Mak Dohr, HYGIENISTDental Hygienist1578761193
- Kimberley Evans, HYGIENISTDental Hygienist1861690224
- Juan Flores, N.P.Family Nurse Practitioner1730550112
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 830 among the 101,058 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; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Robert Fontanilla among 14,451 physician assistant records in California
Robert Fontanilla, PA-C 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- 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).
164 physician assistant records list a practice address in Riverside
They are 164 of the 13,893 NPPES records with a practice address in Riverside, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Riverside → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Weston Bleier, PA-CRiverside, CA 925071891983664
- Sarah Guo-Rohe, PA-CRiverside, CA 925071225503410
- David Konzem, PA-CRiverside, CA 925071043641822
- Tiffany PerainoRiverside, CA 925071124457015
- Mary StahovichRiverside, CA 925071649346495
- Benton Stout, PHYSICIAN ASSISTANTRiverside, CA 925071649508334
- Levon Thomas, PA-CRiverside, CA 925071912299124
- Marcos Aird, PA-CRiverside, CA 925081134130875
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 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.