Tim Doren, PA-C
Medical Physician Assistant · Norco, CA
Tim Doren, PA-C is a medical physician assistant with a practice address in Norco, California, and NPI 1528395365, issued on Nov 16, 2009. Check the license (California 20287, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tim Doren
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 20287 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1901 Town And Country Dr, Norco, CA 92860
- Phone
- (951) 737-8141
- Enumerated
- Nov 16, 2009
- Entity
- Type 1 · individual
Also registered at 1901 Town And Country Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Irene Cabral, R.N.P.Nurse Practitioner1477726479
- Jeanette Castro, DOFamily Medicine Physician1801006267
- Joanna Meshreky, DOFamily Medicine Physician1871544163
- Honesto Pascual, M.D.Internal Medicine Physician1033211438
- Brigid Riordan, NP-CNurse Practitioner1568835833
Verify Tim Doren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
8% fewer Medicare Part D claims than the average medical physician assistant in 2024
1,047 Medicare Part D claims for 581 beneficiaries, against an average of 1,139 among the 25,090 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass139 claims
- Albuterol Sulfate Hfa100 claims
- Doxycycline Hyclate100 claims
- Azithromycin92 claims
- Nitrofurantoin Mono-Macro57 claims
- Prednisone53 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.
Medical Physician Assistant providers in California
There are 3,489 medical physician assistant records in California.
Other medical physician assistant records in California
- Bridget Abajian, PA-CLos Angeles, CA1518677061
- Crispin Abbott, PHYSICIAN ASSISTANTThousand Oaks, CA1063467926
- Abdol Hamid Abdali Hajiabadi, P.A.Santa Ana, CA1285747964
- Jilbert Abnoosian, PALynwood, CA1447300314
- Reema Aboelrish, PA-CFresno, CA1376466144
- Sakina Abowath, P.A.Diamond Bar, CA1326287525
- Selin Abraamyan, PA-CGlendale, CA1144795899
- Antonious Abraham, PA-CCovina, CA1003434275
- Michelle AbrahamSacramento, CA1952875957
- Therese Abraham, P.A.-CGlendale, CA1063726586
Common questions
What is Tim Doren, PA-C's NPI number?
Tim Doren, PA-C's National Provider Identifier (NPI) is 1528395365, issued on Nov 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Tim Doren, PA-C located?
The NPPES record lists a practice address at 1901 Town And Country Dr, Norco, CA, 92860. Phone: (951) 737-8141. Providers update this record themselves, so call before visiting.
How can I verify Tim Doren, PA-C's license?
NPPES lists California license number 20287, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tim Doren, PA-C prescribe under Medicare Part D?
In 2024, Tim Doren, PA-C had 1,047 Medicare Part D claims for 581 beneficiaries; the average among medical physician assistant prescribers was 1,139. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.