Hillcrest COVID-19 Call Center
Hillcrest HealthCare System has an established COVID-19 Call Center. Operators are available Monday - Friday, from 8 a.m. to 5 p.m. to answer patient questions, provide support and connect them to a provider. The Call Center line is 918-574-0920.

Gary Postelwait, D.O.


Utica Park Clinic - 91st & Hwy 169
9001 S. 101st E. Ave.Suite 200
Tulsa , OK 74133
United States
Phone: 918-392-5470
Oklahoma US

Gary Postelwait, D.O., is certified by the American Board of Internal Medicine. Patient comments about him include:      "Dr. Postelwait sits down and takes his time with me. He listens to my concerns."      "He has taken the time to get to know me. He seems to know a lot about everything. I trust him."       "Dr. Postelwait is a good doctor. I need to discuss some very personal issues with him and he is easy to talk to."       "He is attentive and asks me enough questions so that he gains a full understanding of my health concerns. He listens to my replies and answers any and all of my questions."      "Dr. Postelwait and every other person I interacted with was five star! All were friendly, courteous, considerate, professional and informative."       "I’m a senior citizen with some of the common health issues that come with getting older. I like a doctor who knows what he's doing, has had many life experiences, is dedicated to what he does and enjoys it. Dr. Postelwait is the best physician I have ever had. Frankly, I enjoy visits with him because he is thoughtful, answers any questions I have and is quick to pick up any health issues that might occur between visits. He's also empathetic." Dr. Postelwait received his Bachelor of Science degree in business administration at Oklahoma State University. He earned his Doctor of Osteopathy degree from the Oklahoma State University College of Osteopathic Medicine. He completed his internal medicine residency at the University of Missouri-Kansas City School of Medicine. He is a member of the American Osteopathic Association, Christian Medical Society, American College of Physicians and the Oklahoma Osteopathic Association. Dr. Postelwait welcomes new adult and geriatric patients. Most insurance plans are accepted. His office is located on the campus of Hillcrest Hospital South at:      Utica Park Clinic      9001 S. 101st E. Ave. (91st & Hwy. 169), Suite 200      Tulsa, OK 74133 To schedule an appointment, please call 918-392-5470.