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Regional Brain Institute
1145 S. Utica
Suite 365
Tulsa, OK 74104
Attn: Anna Wanahita, M.D.

Contact Information for Outpatient Clinic Services:

  • Stroke and Neurovascular Medicine in Tahlequah, OK: 

918-207-0025. Ask for Kathye Ewing or Sheena Stillwell. 

1373 E Boone St, Suite 2300
Tahlequah, OK 74464

  • Psychiatry at Cherokee Nation Outpatient Services Complex: 


19600 E Ross St, 3rd Floor
Tahlequah, OK 74464

  • Psychiatry at Northeastern Health System Outpatient Clinic: