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SouthCrest Medical Group
 
Cedar Ridge Internal Medicine
 
 



Our Practice Philosophy

 The skilled physicians of Cedar Ridge Internal Medicine know first hand the importance of quality medical care.  Gary Postelwait, D.O. and Craig Cook, M.D., understand that your physician plays a vital role in keeping you healthy.  From educating patients on preventative medicine to diagnosing an illness, you can count on Cedar Ridge to provide you with the information and care you deserve.

Hours
Monday - Friday
8 a.m. - 4:30 p.m.

Contact
(918) 392-5470 phone
(918) 294-6851 fax

Address
9001 S. 101st E. Avenue
Suite 230

  

Meet Our Physicians

William Craig Cook, M.D., Internal Medicine, joined SouthCrest Medical Group in 2003 as a member of Cedar Ridge Internal Medicine.  He currently practices with Robert Niebergall, M.D., and Gary Postelwait, D.O.

Prior to joining SouthCrest, Dr. Cook practiced in Broken Arrow with Utica Park Clinic, as well as served as a part-time clinical instructor at the University of Oklahoma Medical College in Tulsa.  Dr. Cook received a B.S. degree in biology from Baylor University in Waco, Texas, and he earned a medical degree at the University of Oklahoma Tulsa Medical College. 

Dr. Cook is board certified by the American Board of Internal Medicine.  To reach Dr. Cook, please call 392-5470.

Gary Postelwait, D.O., Internal Medicine, joined Cedar Ridge Internal Medicine, a practice affiliated with SouthCrest Medical Group in January 2008.   

He practices with Robert Niebergall, M.D. and William Craig Cook, M.D.  Prior to joining Drs. Niebergall and Cook, Dr. Postelwait had been in private practice in Broken Arrow for 20 years.

Dr. Postelwait received a B.S. degree in Business Administration at Oklahoma State University, followed by a Doctor of Osteopathy at the Oklahoma State University College of Osteopathic Medicine.   His internal medicine residency was completed at the University of Missouri-Kansas City School of Medicine. 

Dr. Postelwait is a member of the American Osteopathic Association, Christian Medical Society, American College of Physicians and the Oklahoma Osteopathic Association.  He is certified by the American Board of Internal Medicine. To reach Dr. Postelwait, please call 392-5470.

 

Michael Gebetsberger, M.D., Internal Medicine, will be joining SouthCrest Medical Group beginning September 20, 2010. Dr. Gebetsberger will practice with Dr. Craig Cook and Dr. Gary Postelwait in Cedar Ridge Internal Medicine located in Suite #230 of SouthCreek Medical Plaza.  Previously, Dr. Gebetsberger had a busy Internal Medicine practice with Warren Clinic for eight years and has been an Intensive Care Hospitalist with St. John Medical Center for the last two years.

Dr. Gebetsberger received his Bachelor of Arts degree in Biology from the University of Texas at Austin and obtained a Doctor of Medicine from the University of Oklahoma College of Medicine in Oklahoma City. He performed his Internal Medicine Internship at the University of Wisconsin Hospital and Clinics and his residency at the University of Kansas School of Medicine in Wichita, Kansas.

Dr. Gebetsberger is board certified in Internal Medicine. He is also an active member of the American College of Physicians, American Medical Association, Oklahoma Medical Association and the Tulsa County Medical Society.  He was also recently accepted as a fellow in the American College of Physicians.

 

To schedule an appointment with Dr. Gebetsberger, please call 392-5470.

 

 

Cedar Ridge Internal Medicine is a practice affiliated with SouthCrest Medical Group

 
  SouthCrest Hospital
8801 South 101st East Avenue
Tulsa, OK 74133
(918) 294-4000
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