Our Team Members

Bringing the care you need

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Joanne Parks, M.D.

Medical Director

Dr. Parks has been a psychiatrist in the Chicago area since 1993.  She treats people from all walks of life and with the full spectrum of psychiatric problems. She offers comprehensive psychiatric evaluations, expert second opinions and private consultation to individuals, other physicians and mental health providers, businesses and attorneys. She also provides ongoing psychotherapy and psychopharmacology services for men and women.

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Sherry Keller, A.S., CADC

Program Director of Recovery Services

Helping others has always been a passion for Sherry Keller, AS, CADC. Since earning her license as a Certified Alcohol & Drug Counselor in 2005, Sherry sees her role as helping those with substance abuse issues while increasing the awareness of the harm substance abuse can create in the community.

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Lynn DeRose, A.G.P.C.N.P.-B.C.

Nurse Practitioner

Lynn is a board-certified Advance Nurse Practitioner by the ANCC (American Nurses Credentialing Center) who is also a  Board Certified Psychiatric Mental Health Nurse Practitioner.  She has experience with adult, geriatric and the developmentally disabled population.

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Jennie Krull, MSN, PMHNP-BC, FNP-BC

Nurse Practitioner

Jennie Krull is a Board Certified Psychiatric Mental Health Nurse Practitioner, who also is Board Certified as a Family Nurse Practitioner.  Her training and experience includes treating patients with psychiatric disorders across the lifespan and across practice settings, from outpatient clinics to nursing homes to addiction treatment centers.