Ocean Psychiatric Group
596 Lynnhaven Parkway, Suite 100
Virginia Beach, VA 23452
Phone: (757) 802-4500
FAX: 757-226-9002



Mark T. Schreiber, M.D., D.L.F.A.P.A, F.A.S.A.M

Originally from Nebraska, Mark T. Schreiber, M.D. did his medical school and residency training at Washington University in St. Louis, Missouri.  He is double board certified in Psychiatry, and also in Addiction Medicine.  He is past president of the Norfolk Academy of Medicine, and also the Tidewater Academy of Psychiatry.  He has served as a delegate to the Medical Society of Virginia.  He is a Distinguished Life Fellow in the American Psychiatric Association, and a Fellow in the American Society of Addiction Medicine.  Dr. Schreiber has been practicing psychiatry for the past thirty nine years and has diagnosed and treated over nineteen thousand patients.

He currently specializes in Adult Psychiatry and Addiction Medicine, from ages eighteen and above.  He treats depression, anxiety and panic disorders, bipolar illness, schizoaffective disorder, schizophrenia, obsessive-compulsive disorders, and post-traumatic stress disorder.   He does medication management, psychotherapy, and runs addiction recovery groups.  He is trained in administering Transcranial Magnetic Stimulation Therapy (TMS) an FDA-cleared and effective therapy for treatment resistant depression.  To learn more about TMS therapy click here https://www.greenbrooktms.com.  Dr. Schreiber is truly passionate about what he does.  His experience, knowledge, and caring and insightful approach make him one of the premier psychiatrists in the area.

Katharine W. Heatwole, M.D.

Dr. Heatwole is a native Virginian and graduated from The College of William and Mary with a B.S. in Chemistry.  She subsequently attended medical school at Eastern Virginia Medical School in Norfolk, VA.  After completing an internship in Internal Medicine at EVMS, she completed her residency in Neurology at Vanderbilt University in 1991, and was elected to be Chief Resident during her final year.  Upon completing her training, she returned to Virginia and joined the faculty at EVMS, as an Assistant Professor of Neurology.  After teaching and practicing in neurology for six year at EVMS, Dr. Heatwole moved to Virginia Beach to join a busy private practice, practicing both inpatient and outpatient neurology, as well as being a neurological consultant at Virginia Beach Psychiatric Center.  She was later hired by Sentara Medical group and worked solely as a Neurohospitalist, however her interest in neuropsychiatry later took her to work with a busy psychiatric practice, and she has been practicing with Ocean Psychiatric Group, P.C. (OPG) since it’s inception.  Dr. Heatwole is board certified by The  American Board of Psychiatry and Neurology in the specialty of Neurology.  Dr. Heatwole is an active member of the American Academy of Neurology, Medical Society of Virginia, Virginia Neurological Society and Alpha Omega Alpha Honor Medical Society.

Her passion for most of her career has been in the practice of general adult neurology, providing care for many patients in this community wit headache disorders, epilepsy, stroke, neuromuscular disease, Parkinson’s Disease and other movement disorders, dementia, Multiple Sclerosis and traumatic brain injury.  During the last decade, Dr. Heatwole has become increasingly interested in the interconnections between mind and body, and is now equally passionate about the psychiatric and psychological issues that not only impact the course of patient’s neurological illnesses, but their abilities or inabilities to live as full a life as possible.  Dr. Heatwole’s interest in neuropsychiatry has further lead her to be trained in Transcranial Magnetic Stimulation Therapy (TMS), an FDA-cleared and effective therapy for treatment resistant depression.  Dr. Heatwole serves as the Medical Director for Greenbrook TMS NeuroHealth Centers in Virginia Beach and Newport News locations.  To learn more about TMS therapy click here http://www.greenbrooktms.com.   You will find that Dr. Heatwole’s thoroughness, attention to the wholeness of her patients, and her overall passion for what she does, make her an outstanding physician in this community.

Click here to watch a recent interview that Dr. Heatwole did for WTKR Channel 3 News at Ocean Psychiatric Group.

Pamela Zane, Ph. D.

Dr. Zane has over thirty years of experience in individual child (children age 4 and older), adolescent and adult psychotherapy.  She has extensive experience with couples and families.  She has expertise in substance abuse, eating disorders and gender dysphoria.  Dr. Zane did a six month internship at the Gender Dysphoria Clinic in Palo Alto, CA.  Experienced working with gay and transgender clients.  She has over ten years experience with geriatric patients.  Dr. Zane work with attorneys for guardianships; forensic evaluations and immigration issues.  She is certified expert witness in Virginia Beach and Norfolk courts.  Dr. Zane has extensive experience training in Cognitive Behavioral Therapy; Ericksonian Hypnosis techniques, EMDR, as well as continuing education in Forensic Psychology, PTSD, ADHD, and substance abuse.

Humayun Kabir
Psychiatric Mental Health Nurse Practitioner- Board Certified

I am aboard certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC), providing psychiatric care for patients across the lifespan (ages 18-75). I have a 11-year career history, which includes positions with the Department of Human Services with the City of Virginia Beach, Methadone Clinic, Comprehensive Psychological Services, Solutions Psychotherapy, and Virginia Beach Psychiatric Center. Furthermore, I have experience treating a wide variety of mental health disorders such as anxiety, depression, Bipolar Disorder, Psychosis, Schizophrenia, trauma, PTSD, Schizoaffective Disorder, and ADHD. I believe in collaborative approaches and individualized treatment plans to improve the overall quality of life and function for patients. I am committed to collaborating with you to find a treatment approach that works best for you.

Candace Lankford
Psychiatric Mental Health Nurse Practitioner- Board Certified

Mrs. Lankford received her Masters of Science Degree in Nursing from Walden University Specialization Psychiatric Mental Health Nurse Practitioner 2019. She received her Bachelor of Science Degree from Norfolk State University in 2010. She received her Bachelor of Science Degree in Biology and minor in Pre-medicine from Elizabeth City State University in 2004.  

Mrs. Lankford started her career at Sentara Norfolk General Hospital in Norfolk, Virginia as a charge nurse on the Adult Behavioral Health Unit and Geriatric Behavioral Health Unit. Mrs. Lankford has also worked as a Charge Nurse for the Child and Adolescent Residential Unit, Child and Adolescent Acute unit, Intensive Treatment Unit, And Adult Psychiatric at Riverside Behavioral Health Center in Hampton, Virginia.  Mrs. Lankford is compassionate about working with patient living with mental illness. At Ocean Psychiatry and Neurology Mrs. Lankford works with children, adolescents, adults, and geriatric populations. She provided medication management for patients living with anxiety, depression, bipolar disorder, schizophrenia, schizoaffective disorder, substance abuse, and Attention Deficit Disorder Hyperactivity disorder.  Mrs. Lankford also serves as a preceptor for students pursuing a career as a Psychiatric Mental Health provider. 

Sharon H. Rhodes, FNP
Family Nurse Practitioner

Sharon graduated with a Masters in Nursing from Virginia Commonwealth University. She worked in family practice for 12 years before starting at OPG. She enjoys working with children, teenagers and adults in treating anxiety, depression, ADHD and bipolar disorders. She believes in an holistic approach to treatment.

Anne Stubbs, FNP
Family Nurse Practitioner

Anne Stubbs received her Master’s degree of Science and Nursing in 2012 at Old Dominion University.  She earned her Bachelor’s degree of Science in Nursing in 2007 at East Carolina University.  As a skilled family nurse practitioner, Mrs. Stubbs provides primary care to patients of all ages.  She is experienced in family, internal, and psychiatric medicine and worked as a registered nurse on a progressive care unit at Sentara Virginia beach General Hospital for six years prior to receiving her nurse practitioner degree.  She has worked as a full time family practice nurse practitioner since 2013 with Sentara Medical Group in Virginia Beach.  In 2014 she began working part time at Ocean Psychiatric Group.

At Ocean Psychiatric Group Mrs. Stubbs works with new and established patients ages 12 and above in managing multiple mental health conditions including depression, anxiety, bipolar disorder, attention deficit disorder, eating disorders, substance abuse, and schizophrenia.  Mrs. Stubbs is board-certified by the American Academy of Nurse Practitioners, and is a member of the Virginia Council of Nurse Practitioners and the National Society of Collegiate Scholars.  She is active with the ALS association as well as the American Foundation for Suicide Prevention.