Veronica Casillas
Medical Physician Assistant · Stockton, CA
Veronica Casillas is a medical physician assistant with a practice address in Stockton, California, and NPI 1871816983, issued on Mar 3, 2010. Check the license (California PA20816, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Veronica Casillas
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA20816 CA
Self-reported in NPPES; status is on the state search - Practice location
- 420 W Acacia St Ste 19, Stockton, CA 95203
- Phone
- (209) 461-3196
- Enumerated
- Mar 3, 2010
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 420 W Acacia St Ste 19
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Veronica Casillas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA20816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average medical physician assistant in 2024
80 Medicare Part D claims for 48 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Oxycodone Hcl15 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.
Veronica Casillas among 3,376 medical physician assistant records in California
Veronica Casillas 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 2010, is newer than 42% of them.
- NPI issued2010 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2021 · 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 Stockton → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Jamie Bible, PA-CStockton, CA 952031366812273
- Sheila Lederer, PA-CStockton, CA 952031811290638
- Caroline Andersen, PAStockton, CA 952041669755682
- Isabelle Dixon, PAStockton, CA 952041376331876
- Ryan Joseph HonculadaStockton, CA 952041659008662
- Noel Moreno, PA-CStockton, CA 952041932434404
- Michelle Son, PA-CStockton, CA 952041760175897
- Christopher Tilton, D.H.SC, PA-CStockton, CA 952041669462552
Common questions
What is Veronica Casillas's NPI number?
Veronica Casillas's National Provider Identifier (NPI) is 1871816983, issued on Mar 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Veronica Casillas located?
The NPPES record lists a practice address at 420 W Acacia St Ste 19, Stockton, CA, 95203. Phone: (209) 461-3196. Providers update this record themselves, so call before visiting.
How can I verify Veronica Casillas's license?
NPPES lists California license number PA20816, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Veronica Casillas prescribe under Medicare Part D?
In 2024, Veronica Casillas had 80 Medicare Part D claims for 48 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.