Cornerstone Psychiatric Services, Inc. is a group practice which includes David Donahue, D.O. (Psychiatrist), David Fawks, MSN, ARNP (Advanced Registered Nurse Practitioner) and Nina Cuttler, MSN, ARNP, PMHNP-BC.  We do have two on-premise counselors/therapists--Krystyna J. Piorkowski, Ph.D, LMHC and Anne Olshansky, LCSW--that are available for individual, couple and adolescent therapy. Notice: The therapists are not employee's of Cornerstone Psychiatric Services.  Each one is independent of each other and our group practice. David Donahue, D.O. (Board Certified) What is a D.O.? College:                                B.A. University of South Florida, Tampa FL                                             St. Louis University, St. Louis, MO Medical School:                    D.O. Des Moines University-Osteopathic Medical Center, Des Moines, IA Professional Organizations:     American Psychiatric Association Florida Psychiatric Society American Osteopathic Association The American College of Osteopathic Neurologists and Psychiatrists David Fawks, MSN, A.R.N.P. What is a A.R.N.P. College:                                Olivet Nazarene University, Kankakee, IL (Bachelors of Science Nursing)                                              Andrew University, Berrien Springs, MI (Masters in Nursing)                                 Professional Organizations:     American Psychiatric Association Florida Nurses Association Sarasota Council for Advanced Practice Nurses Florida Nurse Practitioner Network _____________________________________________________________________________________________ Nina Cuttler, MSN, A.R.N.P.,   PMHNP-BC What is a A.R.N.P. College:                                University of South Carolina (Masters in Nursing)                                                                              Professional Organizations:    American Nurses Association and Florida Nurses Association                                     American Psychiatric Nurses Association  Certifications:                         American Nurses Credentialing Center (ANCC)- Nurse Practitioner, Adult Psychiatric & Mental Health                                               ANCC - Nurse Practitioner, Adult  _____________________________________________________________________________________________ Therapists/Counselors Notice: The therapists are not employee's of Cornerstone Psychiatric Services.  Each one is independent of each other and our group practice. Krystyna J. Piorkowski, Ph.D, LMHC 1790 E. Venice Avenue, Ste. 204, Venice, FL 34292 Office: (941) 484-0766   Fax: (941) 412-3047 Licensed Mental Health Counselor Board Certified Clinical Sexologist Certified Clincial Hypnotherapist Certified Rehabilitation Counselor National Certified Counselor Anne Olshansky, LCSW 1790 E. Venice Avenue, Ste. 204, Venice, FL 34292 Office: (941) 480-1897   Fax: (941) 488-5554 Licensed Clinical Social Worker                                         ____________________________________________________________________________________