Robert A. Winston, M.D.
Psychiatry Physician · Torrance, CA
Robert A. Winston, M.D. is a psychiatry physician with a practice address in Torrance, California, and NPI 1992805444, issued on Sep 24, 2006. Check the license (California G28197, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert A. Winston
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G28197 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2780 Skypark Dr Ste 202, Torrance, CA 90505
- Phone
- (855) 501-1004
- Enumerated
- Sep 24, 2006
- Record last updated
- May 5, 2026
- Medicaid ID
- 28197 CA
- Medicare enrollment
- Enrolled (PECOS I20050616000867); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2780 Skypark Dr Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Irina AddesPsychiatry Physician1659436533
- Rose Mae Chung, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1710314323
- Stephen Gonzalez, PH.D.Clinical Psychologist1245631373
- Erisa Preston, PSY.D.Clinical Psychologist1154688000
- Joanna Raygoza, LMFT 149428Marriage & Family Therapist1477170868
Verify Robert A. Winston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G28197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average psychiatry physician in 2024
1,868 Medicare Part D claims for 115 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were under 1% of claims.
Most prescribed
- Alprazolam183 claims
- Trazodone Hcl182 claims
- Bupropion Xl154 claims
- Lorazepam103 claims
- Clonazepam97 claims
- Lamotrigine70 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.
Industry payments in 2024: $465.06
22 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mark David Levine MD Professional CorporationTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
150 psychiatry physician records list a practice address in Torrance
They are 150 of the 8,901 NPPES records with a practice address in Torrance, and 8,673 psychiatry physician records in California.
All 150 in Torrance → All 8,673 in California → Every provider in Torrance →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Robert A. Winston, M.D.'s NPI number?
Robert A. Winston, M.D.'s National Provider Identifier (NPI) is 1992805444, issued on Sep 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Winston, M.D. located?
The NPPES record lists a practice address at 2780 Skypark Dr Ste 202, Torrance, CA, 90505. Phone: (855) 501-1004. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Winston, M.D.'s license?
NPPES lists California license number G28197, 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 A. Winston, M.D. prescribe under Medicare Part D?
In 2024, Robert A. Winston, M.D. had 1,868 Medicare Part D claims for 115 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.