Marilou C. Rosas, M.D.
Psychiatry Physician · Temecula, CA
Marilou C. Rosas, M.D. is a psychiatry physician with a practice address in Temecula, California, and NPI 1053339960, issued on Jul 18, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marilou C. Rosas
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 35490 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 32605 Temecula Pkwy, Temecula, CA 92592
- Phone
- (951) 506-9112
- Enumerated
- Jul 18, 2006
- Record last updated
- Jan 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (951) 506-9113
- Medicare enrollment
- Enrolled (PECOS I20140618002162); accepts Medicare assignment
- Medical or professional school
- Southwest School Of Medicine And Hospital, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 32605 Temecula Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katelyn BrineyMarriage & Family Therapist1598565640
- Tamara Burns, LPCCProfessional Counselor1174068027
- Raymond Cameron, M.A., MFTMarriage & Family Therapist1952450579
- Lizzette CastellonRecreational Therapist Assistant1669261434
- Laura Gilroy, LCSWClinical Social Worker1437427978
- Kenneth Klier, D.D.S.General Practice Dentistry1144219122
Verify Marilou C. Rosas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
83 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Haloperidol Decanoate15 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
- Department OF State HospitalsAtascadero, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marilou C. Rosas among 8,673 psychiatry physician records in California
Marilou C. Rosas, M.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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2006 · median 2005 among the 3,295 with a school on file
- Record last updated2013 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Temecula → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sandra Cox, MDTemecula, CA 925921730135971
- Joseph Errico, M.D.Temecula, CA 925921225085731
- Sana Johnson-Quijada, M.D.Temecula, CA 925921194882860
- Quoc Nguyen, MDTemecula, CA 925921639121379
- Ali Dia, M.D.Temecula, CA 925911912031030
- Richard Hadi, DOTemecula, CA 925911184151052
- Shajitha Nawaz, M.D.Temecula, CA 925911659476331
- Gautham Reddy, M.D.Temecula, CA 925911780338624
Common questions
What is Marilou C. Rosas, M.D.'s NPI number?
Marilou C. Rosas, M.D.'s National Provider Identifier (NPI) is 1053339960, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marilou C. Rosas, M.D. located?
The NPPES record lists a practice address at 32605 Temecula Pkwy, Temecula, CA, 92592. Phone: (951) 506-9112. Providers update this record themselves, so call before visiting.
How can I verify Marilou C. Rosas, M.D.'s license?
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 Marilou C. Rosas, M.D. prescribe under Medicare Part D?
In 2024, Marilou C. Rosas, M.D. had 83 Medicare Part D claims; 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.