Gregory J. Feldman, MD

Gregory J. Feldman, MD

Principal Investigator



Second Moscow Medical Institute


Internal Medicine

Second Moscow Medical Institute

Internal Medicine

Muhlenburg Hospital

Internal Medicine

Senior Medical Resident Dartmouth Hitchcock Medical Center

Internal Medicine

Seton Hall University St. Elizabeth Hospital


Pulmonary/Critical Care Medicine

Dartmouth Hitchcock Medical Center

Laser and Interventional Bronchoscopy

Unitat de Laser Hospital Duran Reynals

Certification & Licensure

Medical License

South Carolina 15836 Georgia 73122 North Carolina 01811


BF 1193907

American Board of Internal Medicine

1994 Pulmonary Medicine Valid:2014-2023

American Board of Internal Medicine

1995 Critical Care Medicine Valid:2014-2023

Certified Principal Investigator

Membership IB#180228 2007-Present


Spartanburg Medical Center

Spartanburg, SC

Pelham Medical Center

Greer, SC

Union Medical Center


Spartanburg Hospital for Restorative Care

Spartanburg, SC

Mary Black Healthcare System

Spartanburg and Gaffney, SC


Dr. Feldman is the co-founder of VitaLink Research and Principle Investigator at VitaLink’s Spartanburg location; the nation’s largest pulmonary clinical research facility. He has served as PI on hundreds of pivotal clinical trials and has been instrumental in helping bring some of today’s leading medications to the market.

“My passion for clinical research has guided my entire career. So many incredible medications that have immeasurably improved quality of life of so many would not be possible without ┬áso many of our patients -volunteers and highly skilled and compassionate ┬áresearch professionals that is our extended family.”

Dr. Feldman attended medical school at Second Moscow Medical Institute and completed his Pulmonary and Critical Care training at Dartmouth-Hitchcock Medical Center, Hanover, NH. He is board-certified in Pulmonary Diseases, Critical Care and Internal Medicine. His interests include managing patients with COPD, asthma and work-related asthma. His specialized skills include interventional bronchoscopy for managing patients with lung cancer and airway obstruction which he applies to Pulmonary and Internal Medicine studies at VitaLink.