Stephen Carl Caso, PA-C
Physician Assistant · Temecula, CA
Stephen Carl Caso, PA-C is a physician assistant with a practice address in Temecula, California, and NPI 1083916985, issued on Nov 28, 2010. Check the license (California PA21365, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Carl Caso
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21365 CA
Self-reported in NPPES; status is on the state search - Practice location
- 41715 Winchester RD, Temecula, CA 92590
- Phone
- (951) 308-4451
- Enumerated
- Nov 28, 2010
- Record last updated
- Nov 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150922001922); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 41715 Winchester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Norberto Carlos, LCSWClinical Social Worker1275622672
- Caroline Dimarucot, M.D.Pediatrics Physician1962673897
- Kerry Erling, PAMedical Physician Assistant1144452160
Verify Stephen Carl Caso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.2 times the Medicare Part D claims of the average physician assistant in 2024
5,966 Medicare Part D claims for 521 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 158 claims were for opioids.
Most prescribed
- Atorvastatin Calcium409 claims
- Amlodipine Besylate309 claims
- Levothyroxine Sodium241 claims
- Losartan Potassium164 claims
- Rosuvastatin Calcium152 claims
- Omeprazole134 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: $2,938.56
106 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Monica Perlman MD IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
63 physician assistant records list a practice address in Temecula
They are 63 of the 4,057 NPPES records with a practice address in Temecula, and 14,451 physician assistant records in California.
All 63 in Temecula → All 14,451 in California → Every provider in Temecula →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Stephen Carl Caso, PA-C's NPI number?
Stephen Carl Caso, PA-C's National Provider Identifier (NPI) is 1083916985, issued on Nov 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Carl Caso, PA-C located?
The NPPES record lists a practice address at 41715 Winchester RD, Temecula, CA, 92590. Phone: (951) 308-4451. Providers update this record themselves, so call before visiting.
How can I verify Stephen Carl Caso, PA-C's license?
NPPES lists California license number PA21365, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Carl Caso, PA-C prescribe under Medicare Part D?
In 2024, Stephen Carl Caso, PA-C had 5,966 Medicare Part D claims for 521 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.