About OPA

Bhaskar N. Raju, M.D.
Child, Adolescent & Adult Psychiatrist,
Chief Executive Officer

Dr. Bhaskar Raju is our award winning medical director. He began his private practice at Orlando Psychiatric Associates Inc. in 2005. He completed his medical degree at the prestigious S.V. University in India. He was chosen to attend the Psychiatry residency training program at the University of Minnesota Hennepin- Regions Medical Center, which he completed in 2002. He was one of a select few clinicians selected for a fellowship in Child and Adolescent Psychiatry at the University of Miami-Jackson Memorial Hospital, which he completed in 2004. After his studies were completed Dr. Raju selected Orlando, FL as his home and began serving our community with exceptional care in 2005. For his faithful service and for being recognized by his patients as one of America's most compassionate doctors, Dr. Raju received "The Compassionate Doctor Award" in 2016. In 2014, Dr. Raju was voted as a "Top 10 Doctor/Specialist" by Vitals, Inc. Additionally, "The "Patients’ Choice Awards" recognized Dr. Raju as one of Florida’s favorite physicians in 2011 and also awarded him the same prestigious recognition in 2008 and 2009.

Dr. Raju’s special interests and clinical expertise include the care and treatment of ADHD, Learning Disorders, Autistic Spectrum disorders, Bipolar Disorder, Depression, Stress, marital dysfunctions, Substance Abuse, Anxiety Disorder, as well as Schizophrenia. Dr. Raju believes in the effectiveness of individualized care and designs a treatment/care plan specific to each patient’s unique needs.

Aloma P. Alcober, M.D. Adult & Geriatric Psychiatrist

Orlando Psychiatric Associates is pleased to introduce Aloma Alcober, M.D., a dedicated community Psychiatrist with extensive experience in public and private inpatient and outpatient settings treating adults with Bipolar, Depression, Anxiety, Schizophrenia, Dual Diagnosis, PTSD, and women's issues. Prior to her arrival, Dr. Alcober was a Clinical Director of an outpatient community mental health agency that granted her the opportunity to work with a variety of populations and cultures. Her unique ability to engage with clients brings forth a therapeutic alliance of trust.

Dr. Alcober earned her Doctor of Medicine degree at the University of East Ramon Magsaysay Memorial Medical Center in the Philippines. She completed her Psychiatric residency at the University of Medicine and Dentistry of New Jersey. In addition, Dr. Alcober is a Diplomate of the American Board of Psychiatry and Neurology, and a Fellow member of the American Psychiatric Association. She has a keen ability to teach; some of her teaching experience include: Clinical Instructor of the Department of Psychiatry at the University of Medicine and Dentistry of New Jersey, and Assistant Professor of Psychiatry, Volunteer Faculty at the University Of Central Florida College of Medicine, and Clinical Instructor of the Department of Psychiatry at the University of Medicine and Dentistry of New Jersey.

For fun, Dr. Alcober enjoys ballroom dancing, attending Broadway shows, and spending time traveling to various parts of the globe with her husband. She is also fluent in Tagalog and cherishes her Filipino heritage.

Donna Marie Key Martinez, MSN, ARNP, BC

Donna Has over 30 years of clinical experience as a Nurse Practitioner. She has practiced at Orlando Psychiatric Associates since 2005. She has been instrumental in O.P.A establishing itself as one of Orlando's premier mental health care practices. Donna earned her undergraduate degree from the University Of South Carolina and completed her graduate degree at the University of Alabama. She is a distinguished member of Sigma Theta Tau, which is the honors society of nurses. Her clinical psychiatric expertise is in treatment of Depression, OCD, Bipolar Symptoms, Generalized anxiety and PTSD. Donna also is an expert in helping patients develop coping skills to deal with life stress. Behavioral issues in the younger population, especially in individuals with developmental disorders are great interest to her.

Jessica Anastasio PA-C, M.P.A.S.

Jessica Anastasio, PA-C, M.P.A.S. is a graduate of Mercy College. She excelled in the Physician Assistant Program, receiving Master of Physician Assistant Studies degree. After a career in dermatology as medical assistant and office manager, Jessica desired a more hands on approach and is now a provider of Psychiatry. Her genuine care of others and dedication to quality care are unparalleled. She has distinguished herself as a leader and an educator in her field. She continues to strive for excellence in Psychiatry, providing high quality innovative care.

Lauri Lohse, ARNP

Lauri has over 7 years of psychiatric experience as a Nurse Practitioner. She has practiced at Orlando Psychiatric Associates since 2015. She has been instrumental in O.P.A establishing itself as one of Orlando’s premier mental health care practices. Lauri earned her undergraduate and graduate degree at The University of Central Florida. Her clinical psychiatric expertise is in the treatment/care of depression, ODD, Bipolar symptoms, Panic Disorders, and ADHD. Lauri also is an expert in helping children and adolescents with ADHD, Depressions and Anxiety Disorders to develop coping skills to deal with life stressors. Lauri is specially interested in helping children and adolescents cope with stresses related to academic peer pressure and family relationships.

Lauri's Mission is to treat all her patients fairly and honestly in a atmosphere of care and support.

Debbie Davieca Singh, MSN, ARNP

Debbie Davieca Singh MSN, ARNP is a graduate of University of South Florida and she joins OPA after over 15 years working with patients in the hospital setting, caring for children and their families. Her passion has always been helping others so they can live their optimal lives. Being here at OPA allows her to do just that with the ability to provide more individualized care while building long-term relationships with her patients. Debbie works with adults and children with a variety of specific conditions and symptoms at OPA. Many of her patients come to her with diagnoses such as Depression, Bipolar, Schizophrenia, Anxiety, PTSD, Autism, ADHD, ODD, and learning disabilities. Debbie enjoys working with her patients, and takes a special interest in children behavioral problems, working with the community to bring awareness of mental health in children. She does more than just treating their medical conditions; she takes the time to promote prevention of disease, encourages non-medication treatment, and works towards helping the patient to feel more empowered in their care. Her focus at OPA has been to her patients with thorough and comprehensive care, and a strong commitment to their overall health and wellness.

Esther Ofokansi, MSN.Ed., PMHNP-BC, ARNP

Esther has over 17 years of clinical experience both as a nurse and later as an educator. She has practiced at Orlando Psychiatric Associates since 2017. Esther will continue the tradition of establishing O.P.A as one of Orlando's premier mental health care practices. Esther earned her undergraduate at Chamberlain College and Nursing. She earned her Master's Degree at The University of Central Florida. Esther has special interest understanding patients experience with their psychiatric disorders and providing necessary insight to understand and accept their treatment plan. Esther specializes helping kids, adolescents and adults; she has a special passion helping patients suffering from Schizophrenia. Esther's Favorite Quote is "Do unto others as you would have them do unto you".

Quick Enquiry


  • Orlando

    Address : 2345 Sand Lake Road
    Suite 200, Orlando
    FL 32809.

  • Phone : 407-851-5121

  • Fax : 407-851-0439

  • Ocoee

    Address : 1551 Boren Dr
    Unit C, Ocoee
    FL 34761.

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    Address : 102 Park Place Blvd
    Suite D-1, Kissimmee
    FL 34741.

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    Address : 4106 W Lake Mary Blvd
    Suite 205, Lake Mary
    FL, 32746.

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