The Offices of Dr. William J. O'Brien, III


Dr. William J. O'Brien III	Elizabeth O'Brien, P.A.C.	Dr. Chris Belletieri	Dr. Michael Fischer
	Dr. Joseph Martin	Dr. Brian Walsh	Dr. Britt Jennings

Dr. William J. O'Brien III

Dr. William J. O’Brien III received a B.A. in Biology from LaSalle University. He attended Southeastern University of Health Sciences in North Miami Beach, Florida. He completed his Family Practice Residency at Delaware Valley Medical Center (Frankford-Bucks County Hospital) after a six-month General Surgery Residency. He has 5 Private Practice facilities in Bristol, Bensalem, Bustleton, South Philly.

Professional Associations: Board Certified by American Osteopathic Board of Family Practice; Fellow, American Academy of Disability Evaluating Physicians; American Osteopathic Association; American Medical Association; Pennsylvania Osteopathic Medical Association; Pennsylvania Osteopathic Family Physician's Society.

Hospital Affiliations: St. Mary Medical Center; Lower Bucks Hospital; Frankford Hospitals - Bucks County Campus; Torresdale Campus.

Awards and Recognitions: Florida Osteopathic Manipulation and Theraputic Technique - 1992; David Masceri Teacher of the Year - 1996/1997.

Elizabeth O'Brien, P.A.C.

Received a Physician Assistant Certificate from Hahnemann Medical School. She is certified in both Family Medicine and Surgery. She is an Associate Member of the American Academy of Disability Evaluating Physicians.

Dr. Chris Belletieri

Received a B.S. in Biology from Rutgers University. He attended Philadelphia College of Osteopathic Medicine and graduated at the top of his class. He was Chief Intern at Delaware Valley Medical Center (Frankford-Bucks County Hospital); where he completed a Family Practice Residency. He is Board Certified in Family Practice. He is a member of the American Academy of Osteopathy, the American Medical Association, American Osteopathic Association, and the Pennsylvania Osteopathic Medical Association. He is a Fellow, American Academy of Disability Evaluating Physicians.

Dr. Michael Fischer	Received a B.S. in Pre-Medicine along with a minor in Japanese language from Pennsylvania State University. He attended medical school at Philadelphia College of Osteopathic Medicine where he completed his internship and family practice residency. He was Chief Intern and Chief Resident. He is Board Certified in Family Practice. After completing his residency, he served with the United States Air Force, he was awarded the Commendation and Meritorious service medals. He is a member of the American Osteopathic Association, American Medical Association, American College of Osteopathic Family Physicians and Pennsylvania Osteopathic Medical Association, and Fellow, American Academy of Disability Evaluating Physicians. Back To Top	Dr. Brian Walsh	Received a B.A. in Biology from LaSalle University. He attended Philadelphia College of Osteopathic Medicine. He served as Chief Intern at Metropolitan-Parkview Hospital. He is Board Certified in Family Practice. He is a member of the American Osteopathic Association and Pennsylvania Osteopathic Medical Association. He is a Fellow, American Academy of Disability Evaluating Physicians. Back To Top
Dr. Joseph Martin	He attended Central High School, Penn State and Temple University. He graduated from Sherman College of straight Chiropractic with honors. He is certified in applied Kinesiology and Manipulation Under Anesthesia. He is a member of the Pennsylvania Chiropractic Association, ICPA, and certified in Webster Technique. Back To Top	Dr. Britt Jennings