Joseph P. Casas
Physician Assistant · Apple Valley, CA
Joseph P. Casas is a physician assistant with a practice address in Apple Valley, California, and NPI 1972919876, issued on Jul 11, 2014. Check the license (California PA52163, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph P. Casas
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA52163 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18300 US Highway 18, Apple Valley, CA 92307
- Phone
- (760) 242-2206
- Enumerated
- Jul 11, 2014
- Record last updated
- Sep 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20150210000018); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 18300 US Highway 18
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph P. Casas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA52163Check 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
802 Medicare Part D claims for 522 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 94 claims were for opioids.
Most prescribed
- Cephalexin75 claims
- Ibuprofen54 claims
- Albuterol Sulfate Hfa44 claims
- Hydrocodone-Acetaminophen43 claims
- Prednisone43 claims
- Azithromycin40 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph P. Casas among 14,451 physician assistant records in California
Joseph P. Casas 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 2014, is newer than 38% of them.
- NPI issued2014 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · median 2018 among the 7,214 with a school on file
- 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).
30 physician assistant records list a practice address in Apple Valley
They are 30 of the 1,518 NPPES records with a practice address in Apple Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Apple Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Meagan Blades, PAApple Valley, CA 923071639508526
- Jonathan Cox, PAApple Valley, CA 923071720341555
- Richard Decker, P.A-CApple Valley, CA 923071083658975
- Christopher Jaco, PA-CApple Valley, CA 923071811270564
- Michael Jasso, PAApple Valley, CA 923071356404305
- Carol Lam, P.A.-C.Apple Valley, CA 923071669575957
- Cheri Lawler, P.A-CApple Valley, CA 923071174567978
- Jasmine Reid, P.A.-CApple Valley, CA 923071407155955
Common questions
What is Joseph P. Casas's NPI number?
Joseph P. Casas's National Provider Identifier (NPI) is 1972919876, issued on Jul 11, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Joseph P. Casas located?
The NPPES record lists a practice address at 18300 US Highway 18, Apple Valley, CA, 92307. Phone: (760) 242-2206. Providers update this record themselves, so call before visiting.
How can I verify Joseph P. Casas's license?
NPPES lists California license number PA52163, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph P. Casas prescribe under Medicare Part D?
In 2024, Joseph P. Casas had 802 Medicare Part D claims for 522 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.