New Jersey Bariatric Center
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Dr. James Buwen

Dr. James Buwen is a board certified general surgeon with specialty training in bariatric surgery and advanced minimally invasive surgery. Dr. Buwen graduated with honors from Nova Southeastern University, College of Osteopathic Medicine, in Ft. Lauderdale, Florida. He completed his residency training at Rowan University-SOM, Stratford, NJ, Kennedy University Hospital/Our Lady Of Lourdes Hospital, serving as Chief Surgical Resident from 2013 to 2014. After residency, Dr. Buwen completed a fellowship in advanced minimally invasive and bariatric surgery at Thomas Jefferson University Hospital in Philadelphia. During his fellowship, Dr Buwen published “Laparoscopic sleeve gastrectomy: The rightful gold standard weight loss surgery procedure” in the peer reviewed Journal of Surgical Obesity and Related Disease, and received the ASMBS Certificate of Training in Metabolic and Bariatric Surgery for Fellows. Dr. Buwen is a Fellow of the American College of Osteopathic Surgeons (FACOS) and the American Society For Metabolic And Bariatric Surgery (FASMBS), an associate member of the American College of Surgeons (ACS) and a member of American Osteopathic Association andvthe Society of the American Gastrointestinal & Endoscopic Surgeons (SAGES)
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Dr. Buwen Discusses Which Procedure is Right for You

Pennsylvania State University
University Park, Penn.
Bachelor of Science, Biology-Vertebrae Physiology (1997-2002 )

Pennsylvania State University
University Park, Penn.
Master of Science, Physiology (2002-2004)

Nova Southeastern University
College Of Osteopathic Medicine
Ft. Lauderdale, Fla.,
Doctor of Osteopathic Medicine (2005-2009)
Postdoctoral Training & Surgical Residency

Rowan University
Jefferson Health New Jersey/Virtua Our Lady Of Lourdes Hospital
Stratford, NJ
Surgical Residency, 2010-2014
Chief Resident, 2013-2014

Thomas Jefferson University
Jefferson University Hospital
Philadelphia, Pa.
Laparoscopic & Bariatric Fellowship, 2014-2015

Bariatric Surgery

  • Laparoscopic Roux-en Y Gastric Bypass
  • Laparoscopic Adjustable Gastric Band
  • Laparoscopic Sleeve Gastrectomy
  • Revision of Failed Bariatric Surgery
  • Single Incision Laparoscopic Surgery (SILS)

Advanced Laparoscopic Surgery

  • Adrenalectomy (removal of adrenal gland)
  • Appendectomy (removal of the appendix)
  • Cholecystectomy (removal of the gallbladder)
  • Colon Resection (for colon cancer, diverticulitis or polyps)
  • Hernia Repair (inguinal & ventral)
  • Nissen Fundoplication (treatment of acid reflux)
  • Heller Myotomy (treatment of achalasia)
  • Splenectomy (removal of spleen)

  • Overlook Medical Center
    99 Beauvoir Avenue
    Summit, NJ 07902
  • RWJ – Somerset
    110 Rehill Ave.
    Somerville, NJ 08876
  • Christ Hospital
    176 Palisade Ave.
    Jersey City, NJ 07306
  • Hackettstown Medical Center
    651 Willow Grove Street
    Hackettstown, NJ 07840
  • Newton Medical Center
    175 High Street
    Newton, NJ 07860
  • Morristown Medical Center
    100 Madison Avenue
    Morristown, NJ 07960

  • Buwen JP, Kammerer MR, Beekley AC, Tichansky DS. (2015) Laparoscopic sleeve gastrectomy: The rightful gold standard weight loss surgery procedure. Surg Obes Relat Dis. (15):00217-8.
  • Wiesinger JA, Buwen JP, Cifelli CJ, Unger EL, Jones BC, Beard JL. (2007). Down-Regulation Of Dopamine Transporter By Iron Chelation In Vitro Is Mediated By Altered Trafficking, Not Synthesis. J Neurochem. Jan; 100(1):167-79.
  • Buwen JP. (2004). Iron Deficiency Affects Dopamine Transporter Trafficking In Transfected Neuroblastoma Cells. M.S. Thesis. The Pennsylvania State University: USA
  • Jones BC, Reed CL, Hitzemann R, Wiesinger JA, Mccarthy KA, Buwen JP, Beard JL (2003). Quantitative Genetic Analysis Of Ventral Midbrain And Liver Iron In BXD Recombinant Inbred Mice. Nutr. Neurosci. (6):369-77.

  • Baker J, Rosenbluth A, Buwen J, Kammerer MR, Beekley, AC, Tichansky DS. (2015) Incidence Of Gastrointestinal Stromal Tumors Is Drastically Increased In Morbidly Obese Patients. Poster Submitted To SAGES
  • Buwen JP. Bariatrics Emergencies For Non-Bariatric Surgeon, Presented At: Rowan University-SOM Department Of Surgery Grand Rounds; Kennedy University Hospital, 2013 Nov 11; Stratford, NJ
  • Burhans MS, Grimsrud E, Murray-Kolb LE, Buwen JP, Wiesinger JA, Jones BC, Beard JL. (2004). Iron Deficiency Alters Monoamine Transporters And Behavior In Postweaning Rats. FASEB J. (18):A130.13
  • Beard JL, Paul T, Daily C, Hegedus C, Buwen J, Burhans M, Yi C, Wiesinger J, (2004). Neonatal Neurologic Development Is Affected By Mid-Gestational And Lactational Iron Deficiency. FASEB J. (18):A.130.12
  • Wiesinger JA, Buwen JP, Crater JC, Beard JL (2004). Iron Chelation Alters The Post-Translational Processing Of The Dopamine Transporter In A Neuronal Cell Line. FASEB J. (18):A130.14
  • Beard JL, Jones BC, Burhans M, Grimsrud E, Buwen J, Wiesinger J, (2003). ARS But Not PPI Are Altered By Iron Deficiency Anemia. FASEB J. (17):A704.2

Fellow American College Of Osteopathic Surgeons (FACOS)
Fellow American Society For Metabolic And Bariatric Surgery (FASMBS)
American College Of Surgeons, Associate Member
Society Of American Gastrointestinal & Endoscopic Surgeons
American Osteopathic Association

Dr. Buwen Discusses Which Procedure is Right for You
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