ABQ Sheila Cropped

Dr. Sheila McDermott, DHA, MSN, CRNP-BC – Chief Executive Officer

Dr. Sheila McDermott, DHA, MSN, RN, CRNP-BC, received her Bachelor of Science degree in Nursing from Salve Regina University and her Master of Science in Nursing from Yale University.  In addition, she completed a Doctorate in Health Administration at the University of Phoenix.  She attended Providence College for ROTC where she became a Distinguished Military Graduate. After serving four years of active duty in the Army Nurse Corp, McDermott was honorably discharged as a Captain.

Prior to Haven, McDermott was the Chief Executive Officer for Georgetown Behavioral Health Institute where she was responsible for the hospital start-up and ongoing hospital-wide functions.  Previous roles include Chief Executive Officer for Abilene Behavioral Health and Haven Behavioral Hospital of Eastern Pennsylvania, and Chief Nursing Officer for Philhaven, an acute care psychiatric hospital.

With over 30 years of nursing experience, McDermott has held numerous clinical roles in specialties that include diabetes, geriatrics and endocrinology. Her clinical experience includes work in the inner city, forensics, homelessness, internal medicine and drug and alcohol treatment.


ABQ Dr. Holzgang CroppedAnthony (Tony) J. Holzgang, MD – Medical Director

Anthony (Tony) J. Holzgang received his medical degree from John A. Burns School of Medicine in Honolulu, Hawaii, completed his psychiatric residency at University of Hawaii Affiliated Hospitals and his geriatric psychiatry fellowship at the University of Washington School of Medicine in Seattle.

Prior to Haven, Holzgang was the medical director and staff psychiatrist at Marquette General Hospital in Michigan.  In this role, he supervised inpatient pediatric and adult psychiatric services, inpatient substance abuse, the outpatient behavioral health clinic at the hospital, as well as four outlying clinics.  Holzgang also evaluated and treated patients and was a preceptor to medical students and residents.

Other roles include the chief of inpatient psychiatry for Veteran’s Administration’s Tripler Army Medical Center in Hawaii where he provided inpatient care to Veterans and a clinic for geriatric psychiatry.