Marc Rosenthal, M.D.
Child & Adolescent Psychiatry Physician · Thousand Oaks, CA
Marc Rosenthal, M.D. is a child & adolescent psychiatry physician with a practice address in Thousand Oaks, California, and NPI 1689919722, issued on Nov 30, 2012. Check the license (California C50235, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc Rosenthal
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- C50235 CA
Self-reported in NPPES; status is on the state search - Practice location
- 555 Marin St Ste 160, Thousand Oaks, CA 91360
- Phone
- (805) 277-3387
- Enumerated
- Nov 30, 2012
- Record last updated
- Mar 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (805) 277-3389
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Verify Marc Rosenthal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C50235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
212 Medicare Part D claims for 22 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Duloxetine Hcl32 claims
- Trazodone Hcl31 claims
- Fluoxetine Hcl17 claims
- Dextroamphetamine-Amphetamine14 claims
- Zolpidem Tartrate14 claims
- Methylphenidate Er13 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.
Marc Rosenthal among 1,009 child & adolescent psychiatry physician records in California
Marc Rosenthal, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.
- NPI issued2012 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Thousand Oaks → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Jayashree Coca, M.D.Thousand Oaks, CA 913601255343976
- Lydia Kim, MDThousand Oaks, CA 913601407334428
- Mary Chavarria, MDTarzana, CA 913561528622008
- Bernard Hudson, M.D.Tarzana, CA 913561164565875
- Maria Levine, MDTarzana, CA 913561316109275
- Mary Moebius, MDTarzana, CA 913561568544849
- Gina Ostermann, M.D.Tarzana, CA 913561255597878
- Alonso Cardenas, MDSanta Clarita, CA 913551811212145
Common questions
What is Marc Rosenthal, M.D.'s NPI number?
Marc Rosenthal, M.D.'s National Provider Identifier (NPI) is 1689919722, issued on Nov 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marc Rosenthal, M.D. located?
The NPPES record lists a practice address at 555 Marin St Ste 160, Thousand Oaks, CA, 91360. Phone: (805) 277-3387. Providers update this record themselves, so call before visiting.
How can I verify Marc Rosenthal, M.D.'s license?
NPPES lists California license number C50235, 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 Marc Rosenthal, M.D. prescribe under Medicare Part D?
In 2024, Marc Rosenthal, M.D. had 212 Medicare Part D claims for 22 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.