Julia Derenzi, PA
Medical Physician Assistant · San Ramon, CA
Julia Derenzi, PA is a medical physician assistant with a practice address in San Ramon, California, and NPI 1932369469, issued on Jun 9, 2008. Check the license (California PA19746, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julia Derenzi
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA19746 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5601 Norris Canyon RD Ste 240, San Ramon, CA 94583
- Phone
- (925) 901-1303
- Enumerated
- Jun 9, 2008
- Record last updated
- Jan 3, 2025
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 5601 Norris Canyon RD Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Maska, M.D.Neurology Physician1942275672
- Seyed Pakseresht, MDGastroenterology Physician1437389327
Verify Julia Derenzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average medical physician assistant in 2024
1,259 Medicare Part D claims for 455 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium232 claims
- Famotidine197 claims
- Omeprazole127 claims
- Sod Sulf-Potass Sulf-Mag Sulf53 claims
- Sucralfate39 claims
- Ondansetron Odt32 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: $1,817.81
83 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Julia Derenzi among 3,376 medical physician assistant records in California
Julia Derenzi, PA is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 32% of them.
- NPI issued2008 · 32% of these records are older, 62% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in San Ramon → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Anne Callahan, PA-CSan Ramon, CA 945831891082483
- Allison Campbell, PASan Ramon, CA 945831831202019
- Elinor Greenwald, PA-CSan Ramon, CA 945831922719939
- Erica Horton, PASan Ramon, CA 945831346271525
- Manveer HundalSan Ramon, CA 945831275280224
- Aiste MiliauskaiteSan Ramon, CA 945831528758018
- Timothy Sayles, PA-CSan Ramon, CA 945831851544712
- Michael Devereux, PA-CSunol, CA 945861225217979
Common questions
What is Julia Derenzi, PA's NPI number?
Julia Derenzi, PA's National Provider Identifier (NPI) is 1932369469, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Julia Derenzi, PA located?
The NPPES record lists a practice address at 5601 Norris Canyon RD Ste 240, San Ramon, CA, 94583. Phone: (925) 901-1303. Providers update this record themselves, so call before visiting.
How can I verify Julia Derenzi, PA's license?
NPPES lists California license number PA19746, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Julia Derenzi, PA prescribe under Medicare Part D?
In 2024, Julia Derenzi, PA had 1,259 Medicare Part D claims for 455 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.