Robert Lewis Ross, M.D.
Psychiatry Physician · Santa Monica, CA
Robert Lewis Ross, M.D. is a psychiatry physician with a practice address in Santa Monica, California, and NPI 1346463189, issued on Apr 10, 2007. Check the license (California C36267, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Lewis Ross
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C36267 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3201 Wilshire Blvd, Santa Monica, CA 90403
- Phone
- (310) 829-6010
- Enumerated
- Apr 10, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 829-5196
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3201 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roberta Barenfeld, M.F.T.Marriage & Family Therapist1902025018
- Nancy Beaney, MA, LMFTMarriage & Family Therapist1821547704
- Edith BoxerClinical Social Worker1609895895
- Bruce Brodie, PH.D.Psychologist1457435836
- Jane Bryson, PH.D.Psychologist1285954727
Verify Robert Lewis Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C36267Check 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
190 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. Brand-name drugs were 8% of claims.
Most prescribed
- Methylphenidate Er23 claims
- Lamotrigine16 claims
- Alprazolam14 claims
- Chlorhexidine Gluconate12 claims
- Amitriptyline Hcl11 claims
- Dextroamphetamine-Amphetamine11 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.
Robert Lewis Ross among 8,673 psychiatry physician records in California
Robert Lewis Ross, 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 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).
78 psychiatry physician records list a practice address in Santa Monica
They are 78 of the 5,151 NPPES records with a practice address in Santa Monica, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Santa Monica → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Michelle Ashley, M.D.Santa Monica, CA 904031205986650
- Leslie Brothers, M.D.Santa Monica, CA 904031275748188
- David Fogelson, M.D.Santa Monica, CA 904031215037874
- Elizabeth Galton, MDSanta Monica, CA 904031760476394
- Maria Lymberis, MDSanta Monica, CA 904031982609319
- Michael Mandel, M.D.Santa Monica, CA 904031740406727
- Robert Martin, MDSanta Monica, CA 904031972679801
- Jessica Nord, M.D.Santa Monica, CA 904031548454036
Common questions
What is Robert Lewis Ross, M.D.'s NPI number?
Robert Lewis Ross, M.D.'s National Provider Identifier (NPI) is 1346463189, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lewis Ross, M.D. located?
The NPPES record lists a practice address at 3201 Wilshire Blvd, Santa Monica, CA, 90403. Phone: (310) 829-6010. Providers update this record themselves, so call before visiting.
How can I verify Robert Lewis Ross, M.D.'s license?
NPPES lists California license number C36267, 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 Robert Lewis Ross, M.D. prescribe under Medicare Part D?
In 2024, Robert Lewis Ross, M.D. had 190 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.