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Gregory Stella, M.D.

Gregory Stella, M.D.

After completing training in Gastroenterology, Dr. Greg Stella moved to the Daytona Beach area in 1984 to practice with Gastrointestinal Associates. He has served over the years on various hospital committees at Halifax Medical Center, including as Chief of Staff and on the Medical Executive Committee and Credentials Committee. Upon graduation from Princeton University in 1975, Dr. Stella entered the Johns Hopkins University of Medical School and graduated in 1979.

After medical school Dr. Stella interned and completed his internal medicine internship and residency at the Brigham and Women’s Hospital in Boston, MA in 1982. He then went to Yale University where he completed a two year clinical track gastroenterology fellowship and from there entered a private practice. He is Board Certified in Gastroenterology.

Office locations

Port Orange Office
Ormond Beach East Office

Practicing since



  • National Board of Medical Examiners, Diplomate, 1980
  • American Board of Internal Medicine, 1982
  • American Board of Gastroenterology, 1985
  • American Board of Quality Assurance and Utilization and Physicians, 1989

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Professional Clinical Positions

Professional Clinical Positions
1998 - Present Borland-Groover Clinic, P.A. Port Orange, Florida
1984 - 2008 Gastrointestinal Associates, P.A. Port Orange, Florida

Administrative and Leadership Positions

Administrative and Leadership Positions
2009 - 2010 Elected Member, Nominating Committee Halifax Medical Center
1994 - 1996 Chairman, Performance and Quality Improvement Committee Halifax Medical Center
1993 - 1994 Elected Member, Nominating Committee Halifax Medical Center
1993 - 1994 Chairman, Quality Assurance Committee Halifax Medical Center
1992 - 1993 Immediate Past President, Executive Committee Halifax Medical Center
1992 - 1996 Past President, Credentials Committee Halifax Medical Center
1991 - 1992 Chief of Medical Staff Halifax Medical Center
1991 - 1992 President, Executive Committee Halifax Medical Center
1990 - 1991 President Elect, Executive Committee Halifax Medical Center
1990 - 1991 Chairman, Credentials Committee Halifax Medical Center
1989 - 1990 Secretary - Treasurer, Executive Committee Halifax Medical Center
1988 - 1989 Chairman, Utilization Review Committee Halifax Medical Center
1987 - 1989 Member, Executive Committee Halifax Medical Center
1987 - 1988 Member, Utilization Review Committee Halifax Medical Center
1985 - 1988 Member, Institutional Review Board Halifax Medical Center

Medical Education

Medical Education
1975 - 1979 M.D., John Hopkins University School of Medicine Baltimore, Maryland

Postgraduate Education

Postgraduate Education
1979 - 1982 Medical Internship and Residency Brigham and Women' Hospital Boston, Massachusetts
1982 - 1984 Gastroenterology Fellowship Yale University School of Medicine New Haven, Connecticut

Undergraduate Education

Undergraduate Education
1971 - 1975 B.A., Cum Laude Princeton University Princeton, New Jersey

Professional Associations

  • American Medical Association
  • Harvard Medical Alumni Association
  • John Hopkins Medical Alumni Association
  • American Gastroenterological Association
  • American Society Gastrointestinal Endoscopy


Smith, W.H. and Stella, G.J., Lifetimes for OD and OH electronic states with transitions in the region between 1700 and 1950. A.J. Chem. Phys. 63:2395-2398, 1975.

Stella, G.J., Gelfand, J. and Smith, W.H., Photoacoutic detection spectroscopy with dye laser excitation. 1. The 6190 A CH4 and the 6450 A NH3 bands. Chems. Phys. Lett. 39:146-149, 1976.

Stella, G.J., Peptococcal urinary tract infection with bacteremia. J. Urol. 124:158-160, 1980.

Stella, G.J. and McCallum, R.W., Flexible sigmoidoscopy: Does it offer advantages? I.M. Internal Medicine for the Specialist 6:101-106, 1985.

  • TAP PHARMACEUTICALS - Protocol #M02-410, A Study to Evaluate the Effect of Lanzoprazole 30mg QD versus Esomeprazole 40mg QD on Healing and Symptom Relief in Subjects with Erosive Esophagitis, Summer 2002
  • SOLVAY PHARMACEUTICALS - Protocol #S2413010, A Double-blind, Randomized, Placebo-controlled Multicenter Study to Investigate the Long Term Safety of 2mg PRN of Cilansetronin Diarrhea-Predominant Irritable Bowel Syndrome Subjects, March 2002
  • MERCK & CO., INC. - Protocol # MK-0966, A multicenter, randomized parallel group, actine and placebo - controlled, double-blinded study, March 2001 - January 2002
  • RELIANT PHARMACEUTICALS - Protocol #Rel-AX-001, A multicenter, double-blinded, randomized study to compare the safety and efficacy of nizatidine extended release, March 2001 - July 2001
  • MERCK Research - Protocol #MK-0663 No. 026-00, Incidence of gastroesophageal ulcers in patients with rheumatoid arthritis (naproxen vs. placebo), January 2000 - December 2000
  • NOVARTIS QUINTILES - Protocol #CHFT 9190358 tegaserod vs. placebo in females with irritable bowel syndrome, January 2000 - March 2000
  • SEARLE VALDECOXIB - 047 valdecoxib vs. naproxen in patients with osteoarthritis or rheumatoid arthritis, June 1999 - December 2000
  • Diagnostic Services - Blood Draw Study Colonic Polyps vs. Cancer, May 1999 - May 2000
  • TAP Holding, Inc. Protocol # M97-671: A Study to Evaluate the Effects of Lansoprazole 30mg QD or 15mg QD versus Placebo in Patients with Non-Ulcer Dyspepsia, February 1999 - December 1999
  • TAP Holdings, Inc. Protocol #EM-97-032: Study to Evaluate the Effect of EM574, 5mg QID, 10mg TID, 20mg BID versus Placebo in Females with Non-Erosive Gastroesophageal Reflux Disease, February 1999 - December 1999
  • TAP Holdings, Inc. Protocol #M98-890: A Study to Evaluate the Effect of Lansoprazole 30mg QD versus Omeprazole 20mg QD on Relief of Symptoms in Patients with Erosive Reflux Esophagitis, February 1999 - Present
  • Glaxo Wellcome: Protocol # S3B30006 May Randomized, Double-Blind placebo controlled study of ALOSETRON (GR 68755) 1 mg b.i.d. in Female subjects with Irritable Bowel Syndrome, January 1999 - June 1999
  • Covance-Astra- Erosive Esophagitis Protocol 222, January 1999 - June 1999
  • Astra-Merck, Erosive Esophagitis Study, September 1998 - December 1998
  • TAP - Holdings Inc., Dyspepsia M97-671, August 1998 - December 1998
  • Searle SC-58635/10X-2 Comparative Incidence of UGI Ulcer: Diclofenac and Ibuprofen in OA/RA, September 1997 - December 1997
  • TAP - Effects of Lansoprazole vs. PlaceboIn patients with non-ulcer dyspepsia, August 1997 - December 1997
  • Parke-Davis, Protocol # CI 1004-4 Dose Range Study Efficacy of CI 1004 in patients with RA, June 1997 - December 1997
  • TAP Holdings, Inc., Protocal #M95-352: A Study to Evaluate the Effects of Lansoprazole Compared with Ranitidine on NSAID- Induced Gastric Ulcers in Patients Continuing to Take NSAIDS, January 1997 - June 1997
  • G.D. Searle - Cox 2 Study OA-N49-02-022 RA-N49-96-02-21, August 1996 - December 1996
  • Smith Kline (229) Clinical Endoscopic effects of Nabumetone and Oxaprozin In elderly patients with OA of knees/hips
  • Arthrotec - Safety of Arthrotec 75 b.i.d. for OAN NA 95-02-355, April 1996 - July 1997