Brian S. Cain, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · San Francisco, CA
Brian S. Cain, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in San Francisco, California, and NPI 1205914900, issued on Nov 1, 2006. Check the license (California G80904, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian S. Cain
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- G80904 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Ofarrell St, San Francisco, CA 94115
- Phone
- (415) 833-3800
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G809040 CA
- Medicare enrollment
- Enrolled (PECOS I20101221000339); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1993
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 2200 Ofarrell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luba Abascal, MDInternal Medicine Physician1023180874
- Mitchell Adachi, MDAnatomic Pathology Physician1720166366
- Lesley Aiken, MDInternal Medicine Physician1629156120
- Jonathan Alexander, MDHospitalist Physician1811075450
- Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
- Bryan Andrews, MDAnesthesiology Physician1609954239
Verify Brian S. Cain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80904Check 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: $256.48
1 payment: travel and lodging; the largest payer was Atricure, Inc. 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
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian S. Cain among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Brian S. Cain, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1993 · median 1997 among the 408 with a school on file
- Record last updated2021 · 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 San Francisco → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Peter Anastassiou, M.D.San Francisco, CA 941151912904806
- Nora Burgess, MDSan Francisco, CA 941151417035049
- Keith Flachsbart, MDSan Francisco, CA 941151033297627
- Paul Lapunzina, MDSan Francisco, CA 941151720152333
- Hugh Mason, MDSan Francisco, CA 941151316025927
- Vicken Melikian, MDSan Francisco, CA 941151225116841
- Mario Pompili, MDSan Francisco, CA 941151154409795
- Richard Richter, MDSan Francisco, CA 941151730253345
Common questions
What is Brian S. Cain, MD's NPI number?
Brian S. Cain, MD's National Provider Identifier (NPI) is 1205914900, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian S. Cain, MD located?
The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-3800. Providers update this record themselves, so call before visiting.
How can I verify Brian S. Cain, MD's license?
NPPES lists California license number G80904, 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.