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Thoracic Surgery (Cardiothoracic Vascular Surgery) in Thousand Oaks, California

Data updated monthly · Last refresh September 2026

8 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers practice in Thousand Oaks. Listings are drawn from federal public records and are not endorsements.

Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Thousand Oaks

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Aamir Shah, MD
Thousand Oaks, CA · $316 in drug and device payments (2025) · (805) 852-8100
Dr. Asvin Ganapathi, M.D.
Thousand Oaks, CA · $1,564 in drug and device payments (2025) · (805) 852-9100
Dr. Gholam Mohammadzadeh, MD
Thousand Oaks, CA · $464 in drug and device payments (2025) · (805) 379-6717
Dr. Gregory Fontana, M.D.
Thousand Oaks, CA · $133,084 in drug and device payments (2025) · (805) 852-9100
Dr. Irsa Hasan, MD
Thousand Oaks, CA · $7,212 in drug and device payments (2025) · (805) 852-9100
Dr. Nels Carroll
Thousand Oaks, CA · $4,258 in drug and device payments (2025) · (805) 852-9100
Dr. Philip Faraci, M.D.
Thousand Oaks, CA · $309 in drug and device payments (2025) · (805) 852-9100
Dr. Simon Maltais, MD
Thousand Oaks, CA · $2,411 in drug and device payments (2025) · Telehealth · (805) 852-9100

Common questions

How many Thoracic Surgery (Cardiothoracic Vascular Surgery) providers are in Thousand Oaks, California?

There are 8 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers with active NPI records practicing in Thousand Oaks, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Thousand Oaks Thoracic Surgery (Cardiothoracic Vascular Surgery) across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.