Cynthia Stover, P.A.
Medical Physician Assistant · Riverside, CA
Cynthia Stover, P.A. is a medical physician assistant with a practice address in Riverside, California, and NPI 1366644429, issued on Jun 1, 2007. Check the license (California PA18609, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cynthia Stover
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA18609 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5256 Mission Boulevard, Riverside, CA 92509
- Phone
- (951) 955-0840
- Enumerated
- Jun 1, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (951) 955-5317
- Medicare enrollment
- Enrolled (PECOS I20130508000286); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2006
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 5256 Mission Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Larsen, R.N, PHNRegistered Nurse1801077375
Verify Cynthia Stover in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average medical physician assistant in 2024
987 Medicare Part D claims for 102 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium87 claims
- Metformin Hcl58 claims
- Amlodipine Besylate55 claims
- Benazepril Hcl41 claims
- Metoprolol Succinate39 claims
- Famotidine38 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: $16.52
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 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
- County OF RiversideCorona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Stover among 3,376 medical physician assistant records in California
Cynthia Stover, P.A. 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 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 68% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2006 · median 2012 among the 1,347 with a school on file
- Record last updated2023 · 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 Riverside → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kathlene Everhart, P.A.Riverside, CA 925091124229612
- Jacqueline Powers-Bowier, PARiverside, CA 925091255316261
- Travis CruzRiverside, CA 925081003265117
- Bekele Haimanot, PA-CRiverside, CA 925081811207632
- Meaza Kidane, PA-CRiverside, CA 925081174853907
- Jean Lacombe, PA-CRiverside, CA 925081952776759
- Tariq ParwaniRiverside, CA 925081386014132
- Natalia Cardenas, PA-CRiverside, CA 925071538542709
Common questions
What is Cynthia Stover, P.A.'s NPI number?
Cynthia Stover, P.A.'s National Provider Identifier (NPI) is 1366644429, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Stover, P.A. located?
The NPPES record lists a practice address at 5256 Mission Boulevard, Riverside, CA, 92509. Phone: (951) 955-0840. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Stover, P.A.'s license?
NPPES lists California license number PA18609, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cynthia Stover, P.A. prescribe under Medicare Part D?
In 2024, Cynthia Stover, P.A. had 987 Medicare Part D claims for 102 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.