Stefan Ursu, M.D., PH.D.
Psychiatry Physician · Riverside, CA
Stefan Ursu, M.D., PH.D. is a psychiatry physician with a practice address in Riverside, California, and NPI 1629201561, issued on Aug 26, 2009. Check the license (California A124650, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stefan Ursu
- Credential
- M.D., PH.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A124650 CA
FT45449 TX
FT45884 TX
R7618 TX
Self-reported in NPPES; status is on the state search - Practice location
- 9990 County Farm RD, Riverside, CA 92503
- Phone
- (951) 358-5766
- Enumerated
- Aug 26, 2009
- Record last updated
- May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200407000878); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 9990 County Farm RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marisa AdamMental Health Counselor1386860906
- Musaab Ali, MDPsychiatry Physician1437618725
- Neville Allen, PEER SUPPORTPeer Specialist1194189001
- Cheryle Anderson, LVNLicensed Practical Nurse1912292327
- Selina Anderson, RNRegistered Nurse1922547124
- Trieste ArringtonPeer Specialist1447613567
Verify Stefan Ursu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124650Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
60 Medicare Part D claims for 16 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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 2 group practices
- Cep America - Psychiatry PCSalinas, CA
- County OF RiversideRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stefan Ursu among 8,673 psychiatry physician records in California
Stefan Ursu, M.D., PH.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1995 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 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 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
134 psychiatry physician records list a practice address in Riverside
They are 134 of the 13,893 NPPES records with a practice address in Riverside, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Riverside → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thomas Bowlus, MDRiverside, CA 925031154492072
- Ellison Chang, MDRiverside, CA 925031508906181
- Jerry Dennis, M.D.Riverside, CA 925031841344348
- David Dinicola, M.D.Riverside, CA 925031205966082
- Loretta Howitt, MDRiverside, CA 925031972670826
- Neeta Kumari, M.D., MPHRiverside, CA 925031508094830
- Ramesh Patel, M.D.Riverside, CA 925031912044520
- Terry Petersen, M.D.Riverside, CA 925031093873978
Common questions
What is Stefan Ursu, M.D., PH.D.'s NPI number?
Stefan Ursu, M.D., PH.D.'s National Provider Identifier (NPI) is 1629201561, issued on Aug 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Stefan Ursu, M.D., PH.D. located?
The NPPES record lists a practice address at 9990 County Farm RD, Riverside, CA, 92503. Phone: (951) 358-5766. Providers update this record themselves, so call before visiting.
How can I verify Stefan Ursu, M.D., PH.D.'s license?
NPPES lists California license number A124650, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stefan Ursu, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Stefan Ursu, M.D., PH.D. had 60 Medicare Part D claims for 16 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.