Rathisha Pathmathasan, DO
Psychiatry Physician · Los Angeles, CA
Rathisha Pathmathasan, DO is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1376293332, issued on Mar 24, 2022. Check the license (California 20A25091, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rathisha Pathmathasan
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A25091 CA
Self-reported in NPPES; status is on the state search - Practice location
- 760 Westwood Plz, Los Angeles, CA 90095
- Phone
- (310) 825-0548
- Enumerated
- Mar 24, 2022
- Record last updated
- Apr 24, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 760 Westwood Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Blumenfeld, MD, PHDStudent in an Organized Health Care Education/Training Program1487486106
- Xavier Cagigas, PH.D.Clinical Psychologist1992952816
- Shawna Chan, MDPsychiatry Physician1326676321
- Lindsay EmbreeClinical Neuropsychologist1386047587
- Reina Factor, PHDClinical Psychologist1679282438
- Colin Gallagher, PH.D.Clinical Psychologist1699394270
Verify Rathisha Pathmathasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A25091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average psychiatry physician in 2024
192 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Duloxetine Hcl18 claims
- Bupropion Xl14 claims
- Lorazepam13 claims
- Buspirone Hcl11 claims
- Lamotrigine11 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.
Rathisha Pathmathasan among 8,673 psychiatry physician records in California
Rathisha Pathmathasan, DO 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 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 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).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Natalie Ayars, MDLos Angeles, CA 900951285665364
- Laurie Casaus, MDLos Angeles, CA 900951093755449
- Philip Cogen, M.D.Los Angeles, CA 900951831130426
- Melita Daley, MDLos Angeles, CA 900951982635058
- Michael Enenbach, MDLos Angeles, CA 900951477583953
- Stephanny Freeman, PHDLos Angeles, CA 900951891732194
- Helen Lavretsky, M.D.Los Angeles, CA 900951881627404
- Patricia Lester, MDLos Angeles, CA 900951760415277
Common questions
What is Rathisha Pathmathasan, DO's NPI number?
Rathisha Pathmathasan, DO's National Provider Identifier (NPI) is 1376293332, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Rathisha Pathmathasan, DO located?
The NPPES record lists a practice address at 760 Westwood Plz, Los Angeles, CA, 90095. Phone: (310) 825-0548. Providers update this record themselves, so call before visiting.
How can I verify Rathisha Pathmathasan, DO's license?
NPPES lists California license number 20A25091, 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 Rathisha Pathmathasan, DO prescribe under Medicare Part D?
In 2024, Rathisha Pathmathasan, DO had 192 Medicare Part D claims for 31 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.