Grace A. Buonavita, PAC
Physician Assistant · Rialto, CA
Grace A. Buonavita, PAC is a physician assistant with a practice address in Rialto, California, and NPI 1396805479, issued on Dec 11, 2006. Check the license (California PA13592, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace A. Buonavita
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA13592 CA
Self-reported in NPPES; status is on the state search - Practice location
- 436 S Riverside Ave, Rialto, CA 92376
- Phone
- (909) 877-8868
- Enumerated
- Dec 11, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (909) 877-0008
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 436 S Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Barrios, CHWCommunity Health Worker1194583849
- Darshan Bhakta, PHARM. D.Pharmacist1285991000
- Charles Dobbs, R.PH., MBAPharmacist1912005018
- Monica Fernandez, RNFamily Nurse Practitioner1982360459
- Clara Macias, CHWCommunity Health Worker1467210112
- Rikesh Patel, PHARMDPharmacist1558181909
Verify Grace A. Buonavita in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA13592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average physician assistant in 2024
807 Medicare Part D claims for 172 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Carvedilol62 claims
- Metformin Hcl55 claims
- Atorvastatin Calcium44 claims
- Lisinopril36 claims
- Losartan Potassium35 claims
- Omeprazole35 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.
Grace A. Buonavita among 14,451 physician assistant records in California
Grace A. Buonavita, PAC 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2023 · 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).
17 physician assistant records list a practice address in Rialto
They are 17 of the 1,044 NPPES records with a practice address in Rialto, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Rialto → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michael Alvarez, PA-CRialto, CA 923761922811207
- Adair Buckner, PHYSICIAN ASSISTANTRialto, CA 923761912198201
- Luis Buenrostro Martinez, MARialto, CA 923761164213252
- Martha Colunga, PA-CRialto, CA 923761588787055
- Hilda Mancilla, PA-CRialto, CA 923761932310067
- Kristen Martini, PA-CRialto, CA 923761669326203
- Shannon MezaRialto, CA 923761942670856
- Mickoyan Poole, PA-CRialto, CA 923761316201734
Common questions
What is Grace A. Buonavita, PAC's NPI number?
Grace A. Buonavita, PAC's National Provider Identifier (NPI) is 1396805479, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace A. Buonavita, PAC located?
The NPPES record lists a practice address at 436 S Riverside Ave, Rialto, CA, 92376. Phone: (909) 877-8868. Providers update this record themselves, so call before visiting.
How can I verify Grace A. Buonavita, PAC's license?
NPPES lists California license number PA13592, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Grace A. Buonavita, PAC prescribe under Medicare Part D?
In 2024, Grace A. Buonavita, PAC had 807 Medicare Part D claims for 172 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.