Medical Staff Directory

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  • Cortney Olejniczak, DNP, PMHNP-BC

    Psychiatric Mental Health Nurse Practitioner

    Cortney Olejniczak, DNP, PMHNP-BC, is a psychiatric mental health nurse practitioner at Rogers–Minneapolis who works with children, adolescents and adults in partial hospitalization and ...

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  • Keyur H. Parikh, MD

    Child and Adolescent Psychiatrist

    Keyur H. Parikh, MD, is a full-time child and adolescent psychiatrist who is board eligible in psychiatry. He specializes in pediatric psychiatry, working primarily with children and adolescents ...

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  • Twila M. Pearson, APNP

    Advance Practice Nurse Prescriber

    Twila M. Pearson, APNP, is a board-certified advanced practice nurse prescriber who works with children, adolescents and adults in the inpatient hospitalization programs at Rogers’ Brown Deer ...

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  • Deanna Pepe, DO

    General Psychiatrist

    Deanna Pepe, DO, is a board-certified general psychiatrist at Rogers’ Philadelphia location, where she provides psychiatric services for adults and older adolescents in the partial hospitalization ...

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  • Ian Powell, MD

    Addiction Specialist

    Ian Powell, MD, specializes in addiction medicine, consulting on complex inpatient chemical dependency detoxification cases and serving patients in the partial hospital and intensive outpatient ...

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  • Hemalatha Rajanna, MD

    Medical Director, Outpatient Adult Services–West Allis

    Hemalatha Rajanna, MD, is a board-certified adult psychiatrist who serves as medical director of adult outpatient services at Rogers Memorial Hospital–West Allis, overseeing the clinical teams ...

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  • Amaya Ramos, MD

    Child and Adolescent Psychiatrist

    Amaya Ramos, MD, is a board-certified child and adolescent psychiatrist who provides psychiatric services for the intensive outpatient and partial hospital programs at Rogers Behavioral ...

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  • Tyler Rickers, DO

    Adult Psychiatrist

    Tyler Rickers, DO, is a board-certified adult psychiatrist who specializes in treating resistant depression and personality disorders, specifically borderline personality disorder. Dr. Rickers ...

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  • Bradley C. Riemann, PhD

    Chief Clinical Officer, Rogers Behavioral Health

    Bradley C. Riemann, PhD, is a leading expert in the assessment of obsessive-compulsive disorder (OCD) and anxiety disorders and use of cognitive behavioral therapy (CBT) treatment. At Rogers, he ...

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  • Jamie Roberts, PsyD

    Attending Psychologist

    Jamie Roberts, PsyD, is the attending psychologist in the Child and Adolescent Day Treatment program at Rogers’ Kenosha location. A graduate of the Wisconsin School of Professional Psychology in ...

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  • Mark Rossing, MD

    Medical Director, OCD Center

    Mark H. Rossing, MD, is a board-certified adult psychiatrist who serves as the medical director for the OCD Center. Before his current role, Dr. Rossing has been an adult psychiatrist with Rogers ...

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  • Jaime Ruvalcaba, MD

    Child and Adolescent Psychiatrist

    Jaime Ruvalcaba, MD, is board certified in general psychiatry as well as in child and adolescent psychiatry. He works primarily with Child and Adolescent Day Treatment at Rogers' Kenosha location. ...

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  • Oludamilola Salami, MD

    Medical Director, Adult Inpatient Services–Oconomowoc

    Oludamilola Salami, MD, is board-certified in general psychiatry and geriatric psychiatry and serves as medical director of the adult inpatient services at Rogers’ Oconomowoc hospital campus. ...

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  • Peggy Scallon, MD, FAPA

    Medical Director, FOCUS Adolescent Mood Disorders Program

    Peggy Scallon, MD, FAPA, is a board-certified child, adolescent and adult psychiatrist who serves as the medical director of the FOCUS Adolescent Mood Disorders Program at Rogers Memorial ...

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  • Andrew J. Schroettner, MD

    Adult Psychiatrist

    Andrew J. Schroettner, MD, is a board-certified adult psychiatrist who specializes in the treatment of adults with major mental illnesses and addiction. He has been a psychiatrist with Rogers ...

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  • Andrew J. Sievila, MSN, RN, PMH-CNS-BC, APNP

    Advanced Practice Nurse Prescriber

    Andrew J. Sievila, MSN, RN, PMH-CNS-BC, APNP, is a board-certified advanced practice nurse prescriber with a specialization in psychiatric mental health who works with adults in the partial ...

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  • Lalit K. Singh, MD, MPH

    Child and Adolescent Psychiatrist

    Lalit K. Singh, MD, MPH, is board certified in adult psychiatry and in child/adolescent psychiatry. He works primarily with children and adolescents at Rogers' West Allis hospital location. His ...

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  • Brad E. R. Smith, MD

    Medical Director, Eating Disorder Services

    Brad E. R. Smith, MD, is a full-time psychiatrist who is board-certified in adult psychiatry and forensic psychiatry, specializing in the assessment and treatment of eating disorders and other ...

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  • Angela Stebbins, PsyD

    Attending Psychologist

    Angela Stebbins, PsyD, is a Licensed Psychologist in the state of Illinois and Wisconsin. At Rogers, Dr. Stebbins is the Attending Psychologist for the Adolescent DBT program as well as the ...

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  • Eric A. Storch, PhD

    Clinical Director, Rogers Behavioral Health–Tampa Bay

    Eric A. Storch, PhD, is recognized internationally as a leader in OCD and cognitive behavioral therapy (CBT) for children, adolescents and adults. Through an affiliation agreement for professional ...

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