Randy Grellner, DO, graduated from Oklahoma State University and completed his internship and residency at Tulsa Regional Medical Center. Dr. Grellner was board certified by the American College of Family Practice.

He is board certified in Family Medicine.

Dr. Grellner accepts most insurance plans including Medicare and Medicaid.  His office is conveniently located at:

      Cushing Medical Specialists
      1025 E. 2nd
      Cushing, OK 74023

For more information or to make an appointment, please contact his office at 918-225-3627 or toll free at 1-800-814-3983 between 8 am and 5 pm Monday through Friday.