Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark W Hennon, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1124108998

Mark W Hennon, MD is a Thoracic Surgery in Buffalo, New York. Graduated from State University of New York at Buffalo School of Medicine in 2002, 24 years ago. Practices with Roswell Park Cancer Institute, a 489-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
24
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Elm And Carlton St Cancer Center Ground Fl
Buffalo, NY 14263
Phone: (716) 845-2300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9100 Babcock Blvd., Pittsburgh, PA 15237 — (412) 748-5772

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 256860 (NY)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence MD426092 (PA)

Record details

NPI number1124108998
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESFebruary 24, 2022
Certification dateFebruary 24, 2022
Mailing addressElm And Carlton St, Cancer Center Ground Floor, Buffalo, NY 14263

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Roswell Park Cancer Institute — 489 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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