Michael Onoh, PA
Physician Assistant · Riverside, CA
Michael Onoh, PA is a physician assistant with a practice address in Riverside, California, and NPI 1972662682, issued on Dec 8, 2006. Check the license (California PA14844, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Onoh
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA14844 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10800 Magnolia Ave, Riverside, CA 92505
- Phone
- (909) 353-2000
- Enumerated
- Dec 8, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090423000641); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 10800 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Onoh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA14844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average physician assistant in 2024
530 Medicare Part D claims for 374 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 21 claims were for opioids.
Most prescribed
- Prednisone66 claims
- Cephalexin53 claims
- Ibuprofen33 claims
- Azithromycin24 claims
- Hydrocortisone22 claims
- Amoxicillin-Clavulanate Potass21 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).
Michael Onoh among 14,451 physician assistant records in California
Michael Onoh, PA 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1998 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 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).
164 physician assistant records list a practice address in Riverside
They are 164 of the 13,893 NPPES records with a practice address in Riverside, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Riverside → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Bernard Del Rosario, PARiverside, CA 925051114086840
- Adriana Diaz, PARiverside, CA 925051467500314
- Lance Farr, PARiverside, CA 925051043368996
- Patrick Garza, P.A.-CRiverside, CA 925051487769212
- Ronald Jackson, PARiverside, CA 925051831247725
- Alicia Johnson, PARiverside, CA 925051366501082
- Amorsolo Ledina, PARiverside, CA 925051790844496
- Patrick Mc Gill, PARiverside, CA 925051003964958
Common questions
What is Michael Onoh, PA's NPI number?
Michael Onoh, PA's National Provider Identifier (NPI) is 1972662682, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Onoh, PA located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (909) 353-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael Onoh, PA's license?
NPPES lists California license number PA14844, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Onoh, PA prescribe under Medicare Part D?
In 2024, Michael Onoh, PA had 530 Medicare Part D claims for 374 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.