Timothy Missey


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Member of St. Peter's Medical Group

About Me

Timothy Missey, DO earned his medical degree at Kirksville College of Osteopathic Medicine in Kirksville, Mo., and his Bachelor of Science in Molecular Biology and Cellular Biology at the University of Arizona in Tucson, Ariz. He completed his residency at Northside Regional Hospital in St. Petersburg, Fla. and St. Joseph Warren Hospital in Warren, Ohio. Dr. Missey is a board-certified member of the American Osteopathic Association, American College of Osteopathic Internal Medicine and the American Osteopathic Board of Internal Medicine.

In his free time, Dr. Missey enjoys kayaking, hiking and spending time with his wife and children. An Arizona native, Dr. Missey looks forward to experiencing Montana winter.

Education & Training

Medical School

Kirksville College of Osteopathic Medicine


Northside Regional Hospital, St. Joseph Warren Hospital

Board Certifications /Memberships

American Board of Internal Medicine, American College of Osteopathic Internal Medicine, American Osteopathic Association


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Patients are expected to furnish all the necessary health insurance information and sign the medical release and insurance assignment authorizations. St. Peter’s Health will submit complete insurance claims on the appropriate forms for the charges recorded. 

Keep in mind that insurance is a contract between the patient and his or her insurance company and that St. Peter’s Health is acting only as a billing agent. St. Peter’s Health cannot pursue payment from insurance carriers in the event of non-payment or benefit denials. If a patient’s insurance carrier has not submitted payment within 30 days of billing, St. Peter’s Health expects the patient to pay the balance in full. Patients receive a monthly statement showing any account activity and the remaining balance due.