Peter Stuart Downey, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Los Angeles, CA
Peter Stuart Downey, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Los Angeles, California, and NPI 1417272683, issued on Mar 31, 2010. Check the license (California A146940, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Stuart Downey
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- A146940 CA
04-43788 KS
Self-reported in NPPES; status is on the state search - Practice location
- 100 Ucla Medical Plaza Suite 630, Los Angeles, CA 90095
- Phone
- (310) 983-3323
- Enumerated
- Mar 31, 2010
- Record last updated
- Jul 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20230531001852); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 100 Ucla Medical Plaza Suite 630
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mehrab Marzban, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1700585841
Verify Peter Stuart Downey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A146940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,747.92
20 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 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
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Stuart Downey among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Peter Stuart Downey, MD is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 1997 among the 408 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California
There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in Los Angeles → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Kelechi Abanobi, M.DLos Angeles, CA 900951720236953
- Abbas Ardehali, MDLos Angeles, CA 900951649205576
- Shyamasundar Balasubramanya, M.D.Los Angeles, CA 900951831343086
- Reshma Biniwale, MDLos Angeles, CA 900951972676120
- Bryan Burt, M.D.Los Angeles, CA 900951396902052
- Fardad Esmailian, MDLos Angeles, CA 900951861426314
- Elbert Holmes, MDLos Angeles, CA 900951821013947
- Jay Lee, MDLos Angeles, CA 900951952326654
Common questions
What is Peter Stuart Downey, MD's NPI number?
Peter Stuart Downey, MD's National Provider Identifier (NPI) is 1417272683, issued on Mar 31, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Peter Stuart Downey, MD located?
The NPPES record lists a practice address at 100 Ucla Medical Plaza Suite 630, Los Angeles, CA, 90095. Phone: (310) 983-3323. Providers update this record themselves, so call before visiting.
How can I verify Peter Stuart Downey, MD's license?
NPPES lists California license number A146940, 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.
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.