Insight Neurocognitive Health

Insight Neurocognitive Health is a multidisciplinary team specializing in adult & pediatric/adolescent care primarily through neuropsychological assessments and treatment planning for a wide range of injuries and conditions including traumatic brain injuries, epilepsy, neurodegenerative and neurocognitive disorders, age-related changes in cognition, cognitive changes resulting from stroke or other medical condition or treatment, ADHD, seizure disorders, sport concussions, and others. We also offer psychological testing services when there is a need for a better understanding of a patient’s behavioral, personality, social, and emotional functioning. Pre-surgical psychological evaluations and individual therapy services are also available.

We are committed to patient experience and satisfaction, as well as a continuity of care, community involvement, and improved outcomes for all our patients. Our unique structure within the framework of a larger institution grants us the special opportunity to centralize all facets of your care under one roof.

For appointments, scheduling, and referrals to our clinic, please contact us using the information listed below.


Our Insight Neurocognitive Health focus areas include:
Traumatic Brain Injuries | Epilepsy | Neurodegenerative and Neurocognitive Disorders | Age-Related Changes in Cognition | Cognitive Changes Resulting from Stroke or Other Medical Condition or Treatment | ADHD | Seizure Disorders | Sports Concussions | Individual Therapy Services | Psychological Evaluations | Behavioral, Personality, Social, and Emotional Functioning

meet the neurocognitive health team

Gail Johnson, MSN, PMH-BC, ANP-BC

Psychiatric Mental Health Nurse Practitioner

Gail Johnson is Board Certified a psychiatric mental health nurse practitioner (PMHNP-BC) specializing in the diagnosis and management of mental health disorders in children, adolescents, young adults, and seniors. She also works closely with her patients’ medical doctors to collaborate in managing the use of therapy and medication. Gail is committed to serving the community, treating patients of all ages. During her free time, Gail enjoys spending time with her husband, 5 children, and 6 grandchildren, as well as traveling, and sewing.

Diamond Terry


Diamond Terry, LMSW, CHW, is a clinical therapist specializing in assisting individuals with learning healthy coping skills, parenting skills, and ways to manage lifestyle changes. A Michigan State University graduate, Diamond obtained a master’s degree in social work with a clinical focus. She completed her undergraduate studies at Saginaw Valley State University, earning a bachelor’s degree in social work.

Diamond has experience in a variety of roles, including therapist, clinical supervisor, case management, and family support, working with children, families, couples, and geriatrics. Diamond’s therapy motto is “take care of you” and she has dedicated her career to eliminating the societal norms of not seeking mental health services when they are needed, encouraging individuals to take care of their physical and mental health.

Since joining Insight Institute of Neurosurgery and Neuroscience, Diamond has worked with a wide range of individuals and enjoys seeing her clients develop a healthier self. By introducing them to new ways of living, they can see life through a new lens.

Omer Abid, MD


Dr. Omer Abid is a physician board certified in preventive medicine with his residency and MPH in epidemiology from the University of Michigan. He is an EIS (Epidemic Intelligence Service) alumnus from the CDC. Dr. Abid has worked abroad in public health in multiple chronic disease programs for several years mostly in public health programming but he has also published in the peer-review literature. He is currently an Addiction Medicine physician at Insight Institute of Neurosurgery & Neuroscience.

Timothy Franke, PsyD., LP

Clinical Psychologist/Neuropsychologist

Dr. Timothy Franke completed his graduate training in clinical psychology at the Michigan School of Psychology (formerly known as MiSPP) in 2016 with training emphasis on neuropsychological testing and assessment.

Dr. Franke focuses on providing patient-centered care. He has extensive experience in pediatric and adult neuropsychological assessment, as well as assessment and evaluation of emotional/behavioral disorders, neurodevelopmental and neurodegenerative disorders, and traumatic brain injuries.

Joseph M. Masternick Jr., D.O.

Addiction Medicine & Family Medicine

Dr. Joseph Masternick graduated from Des Moines University College of Osteopathic Medicine. He completed his post-graduate training at St. John Hospital in Detroit. He is board-certified in addiction medicine and family medicine. He is a Diplomat of the American Society of Addiction Medicine and the American Board of Addiction Medicine.

He is a physician evaluator for both the Licensing and Regulatory Affairs (LARA) and Health Professional Recovery Program (HPRP) of the state of Michigan. He has served as the medical director of a hospital acute care inpatient substance abuse unit and affiliated ambulatory detoxification program.

He currently serves as a trustee for the American Osteopathic Academy of Addiction Medicine, and he is the medical director of the Wellness Clinic Chemical Dependency Treatment Center, affiliated with our Insight Wellness Center. He is a consultant to Beaumont Health System Chronic Pain Consortium, which is a strategic planning entity aimed at the redesign of the model of care of pain management services of all eight hospitals.

His lifelong goal is to create departments of addiction medicine in every hospital in the country in order to educate physicians to better recognize and treat chemical dependency.


Nikki Somers

“Temporary Limited Licensed Psychologist
Nikki Somers, MA, TLLP, earned her Master’s degree in Clinical Psychology from the Michigan School of Psychology and works under the supervision of Timothy Franke, PsyD, LP. She obtained her Bachelor’s degree in Clinical and Community Psychology from the University of Michigan-Flint.
Nikki has experience working with children, adolescents, and adults in a variety of settings. Her treatment approach is integrative, using evidence-based treatment approaches including Interpersonal Therapy, Cognitive Behavioral Therapy, Motivational Interviewing, and mindfulness-based interventions. Nikki also administers pre-surgical psychological testing, assists with neuropsychological testing, and conducts addiction risk assessments. “


Anna Busby


To schedule an appointment, contact our office at (810) 275-9153 or fill out the form below.




4800 S. Saginaw St., Suite 1625 Flint, MI 48507

(810) 275-9153

(810) 213-0279


Monday – Friday
8 a.m. to 5 p.m

4800 S. Saginaw St. Flint, MI 48507