Thanos George Rossopoulos, MD
Psychiatry Physician · San Ysidro, CA
Thanos George Rossopoulos, MD is a psychiatry physician with a practice address in San Ysidro, California, and NPI 1174106835, issued on Apr 30, 2021. Check the license (California A182392, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanos George Rossopoulos
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A182392 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1666 Precision Park LN, San Ysidro, CA 92173
- Phone
- (619) 662-4100
- Enumerated
- Apr 30, 2021
- Record last updated
- Jul 26, 2026
- Fax
- (619) 600-4870
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1666 Precision Park LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie AlexanderPsychiatric/Mental Health Nurse Practitioner1942031752
- Alma Barraza MezaPeer Specialist1417642679
- Graciela Castellanos, MA IN MFTCounselor1033484530
- Margarita Castellanos PalazuelosClinical Social Worker1104379791
- Amanda Cave, AMFTMarriage & Family Therapist1619854544
- Liam EckerRehabilitation Practitioner1801545843
Verify Thanos George Rossopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A182392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average psychiatry physician in 2024
614 Medicare Part D claims for 80 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clozapine45 claims
- Sertraline Hcl31 claims
- Bupropion Xl24 claims
- Trazodone Hcl23 claims
- Gabapentin20 claims
- Mirtazapine18 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.
Thanos George Rossopoulos among 8,673 psychiatry physician records in California
Thanos George Rossopoulos, MD 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% 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).
5 psychiatry physician records list a practice address in San Ysidro
They are 5 of the 218 NPPES records with a practice address in San Ysidro, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Ysidro → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ann Crawford-Day, MD, MPHSan Ysidro, CA 921731386149706
- Charles DavisSan Ysidro, CA 921731194840231
- Thomas Fitzgerald, MDSan Diego, CA 921731942364328
- Katherine FuSan Ysidro, CA 921731356877807
- Christine James, DOSan Diego, CA 921731679834022
- Jesus Sanchez, MDSan Ysidro, CA 921731417960915
- Gilberto Zayas, M.DSan Diego, CA 921731508174970
- Hsun-Hua Chou, MD, PHDSan Diego, CA 921721346446713
Common questions
What is Thanos George Rossopoulos, MD's NPI number?
Thanos George Rossopoulos, MD's National Provider Identifier (NPI) is 1174106835, issued on Apr 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Thanos George Rossopoulos, MD located?
The NPPES record lists a practice address at 1666 Precision Park LN, San Ysidro, CA, 92173. Phone: (619) 662-4100. Providers update this record themselves, so call before visiting.
How can I verify Thanos George Rossopoulos, MD's license?
NPPES lists California license number A182392, 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 Thanos George Rossopoulos, MD prescribe under Medicare Part D?
In 2024, Thanos George Rossopoulos, MD had 614 Medicare Part D claims for 80 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.