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.

For more information call us at   (918) 376-8000

Erin Williamson, APRN-CNP

Erin Williamson, APRN-CNP


Utica Park Clinic
10512 N. 110th East Ave. Suite 200
Owasso, OK
Phone: (918) 582-6544




Erin Williamson, APRN-CNP, has been a Nurse Practitioner since 2009 and practices Gastroenterology.  She is board certified by the American Nursing Credentialing Center.  She is a member of the American Nurses Association and the Crohn’s & Colitis Foundation of America.

Erin received her bachelor’s degree in Nursing from the Jewish Hospital College of Nursing & Allied Health in St. Louis, MO.  She earned her Master of Science in Nursing from the Goldfarb School of Nursing and Barnes-Jewish College in St. Louis, MO.

Erin's persoan interests include spending time at the Lake of the Ozarks and spending time with her husband and two kids.

Erin welcomes new patients.  Most insurance plans are accepted. She has two office locations:

     South Physicians Building (on the campus of Hillcrest Medical Center)
     1145 S. Utica Ave., Suite 701
     Tulsa, OK 74104

     Utica Park Clinic - Owasso (on the campus of Bailey Medical Center)
     10512 N. 110th East Ave., Suite 200
     Owasso, OK 74055

An appointment can be scheduled at either locations by calling 918.582.6544 or 877.582.GUTS (4887) between 8:00 am and 5:00 pm, Monday through Friday.