HealthcareDiscovery.AI / Doctors / Texas / Longview / Thoracic Surgery (Cardiothoracic Vascular Surgery)

Thoracic Surgery (Cardiothoracic Vascular Surgery) in Longview, Texas

Data updated monthly · Last refresh September 2026

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

Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Longview

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. David Jayakar, M.D.
Longview, TX · $6,877 in drug and device payments (2025) · Telehealth · (903) 291-6191
Dr. James Harrell, MD
Longview, TX · No drug or device payments recorded (2025) · (903) 291-6191
Dr. Michael Siegenthaler, MD
Longview, TX · $790 in drug and device payments (2025) · (903) 315-2777
Dr. Obieze Nwanna-nzewunwa, MBBS, MS
Longview, TX · No drug or device payments recorded (2025) · (903) 315-2777
Dr. Oscar Chastain, MD
Longview, TX · $100 in drug and device payments (2025) · (903) 315-2777

Common questions

How many Thoracic Surgery (Cardiothoracic Vascular Surgery) providers are in Longview, Texas?

There are 5 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers with active NPI records practicing in Longview, 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 Longview Thoracic Surgery (Cardiothoracic Vascular Surgery) across Texas

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.