Maricela E. Aguaristi, PHYSICIAN ASSISTANT
Physician Assistant · San Jose, CA
Maricela E. Aguaristi, PHYSICIAN ASSISTANT is a physician assistant with a practice address in San Jose, California, and NPI 1609059062, issued on Dec 7, 2007. Check the license (California PA19397, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maricela E. Aguaristi
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA19397 CA
Self-reported in NPPES; status is on the state search - Practice location
- 455 Oconnor Dr, San Jose, CA 95128
- Phone
- (408) 918-0405
- Enumerated
- Dec 7, 2007
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (408) 918-0409
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 455 Oconnor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katharine Aldrich, CNMAdvanced Practice Midwife1790806388
- Annie Chern, M.D.Family Medicine Physician1104051507
- Alexandra Duisberg, MDStudent in an Organized Health Care Education/Training Program1255820635
- Michael Henehan, DOFamily Medicine Physician1053497685
- Robert Hsu, MPAS, PA-CPhysician Assistant1821168832
- Bruce Huffer, MDOrthopaedic Surgery Physician1376581934
Verify Maricela E. Aguaristi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
158 Medicare Part D claims for 128 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Cephalexin35 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.
Maricela E. Aguaristi among 14,451 physician assistant records in California
Maricela E. Aguaristi, PHYSICIAN ASSISTANT 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 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).
221 physician assistant records list a practice address in San Jose
They are 221 of the 20,925 NPPES records with a practice address in San Jose, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Jose → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sheenkai Ameer, PACSan Jose, CA 951281669692778
- Nicole Bendemire, MPA, PA-CSan Jose, CA 951281366619546
- Robert Chapa, P.A.San Jose, CA 951281003945486
- Deanna Davis, PASan Jose, CA 951281346219631
- Dax Grice, PA-CSan Jose, CA 951281174703490
- Robert Hsu, MPAS, PA-CSan Jose, CA 951281821168832
- Julie Jung, PASan Jose, CA 951281346303484
- Randy Maestretti, PA-CSan Jose, CA 951281982874079
Common questions
What is Maricela E. Aguaristi, PHYSICIAN ASSISTANT's NPI number?
Maricela E. Aguaristi, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1609059062, issued on Dec 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maricela E. Aguaristi, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 455 Oconnor Dr, San Jose, CA, 95128. Phone: (408) 918-0405. Providers update this record themselves, so call before visiting.
How can I verify Maricela E. Aguaristi, PHYSICIAN ASSISTANT's license?
NPPES lists California license number PA19397, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maricela E. Aguaristi, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Maricela E. Aguaristi, PHYSICIAN ASSISTANT had 158 Medicare Part D claims for 128 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.