Adult Gastroenterology Associates, Main
Warren Professional Building
6465 South Yale, Suite 1002
Tulsa, OK 74136
Phone: (918) 481-4700
Fax: (918) 481-4725

The main Tulsa office of Adult Gastroenterology Associates is located at the intersection of 65th and Yale on the top floor of the beautiful Warren Professional Building. Nestled on the main campus of Saint Francis Hospital, the building features a four-story parking garage, accessible restrooms and three elevators for your convenience.

Parking Directions

Parking is available for patients and visitors on the first, second, and third floor of the Warren building garage. Parking is also available on the east side of Yale Avenue between 61st and 71st streets.

Physicians practicing at this location:

  • Dr. Patrick R. Volak
  • Dr. Markham L. Nightengale
  • Dr. Douglas B. Kliewer
  • Dr. Paul D. Stanton
  • Dr. Christian D. Clark
  • Dr. Kevin M. McNamara
  • Dr. Aatish M. Patel

Nurse Practitioners practicing at this location:

  • Maryanne Bolt APRN, CNP
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