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Dennis Valerstain, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Child/Adolescent
Geriatric
Medication Management

Education and training

  • Northwestern University, Feinberg School of Medicine Doctor of Medicine (MD)
  • University of Miami Health System | Jackson Health System (Fellowship)
  • University of Miami Health System | Jackson Health System | Miami VA Hospital (Residency)

Get to know

Dennis Valerstain, MD

Dr. Dennis Valerstain is a board-certified Adult and Child and Adolescent Psychiatrist. After completing his undergraduate education at Emory University, he attended medical school at the Northwestern University Feinberg School of Medicine. He subsequently completed psychiatry residency at University of Miami/Jackson Health System and further sub-specialized at University of Miami/Jackson Health System with a fellowship in Child and Adolescent Psychiatry. Dr. Valerstain has had the opportunity of working with a diverse array of patients including children, adolescents, the severely mentally ill, veterans, and cancer patients across three distinct hospital systems. Dr. Valerstain has had varied clinical experiences in specialty inpatient psychiatry units, emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient clinics via telemedicine and face to face interactions. Dr. Valerstain has experience working with patients of all ages, particularly those with depression, anxiety, bipolar disorder, ADHD, Tic disorders, substance use disorders, and more. Dr. Valerstain's practice focuses on medication management and also employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients (and their families) to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

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Matthew Hamilton, MD

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Dr. Matthew Hamilton is a psychiatrist who works with adults at all stages of life in improving mental health. He emphasizes a holistic approach in collaboration with patients to help them identify and achieve their goals. He has experience helping adults from a diversity of backgrounds with depression, anxiety, bipolar disorder, PTSD, panic, OCD, ADHD, substance use and autism spectrum disorder. He offers one-hour initial consultation appointments, as well as 20 to 30 minutes for follow-up visits. Dr. Hamilton received his undergraduate education at the University of Texas at Austin, his medical degree at Texas Tech University Health and Sciences Center, and completed his residency training at the University of Texas Medical Branch. During training he worked primarily with adults in local clinics and acute care hospitals in the greater Houston area. He was honored with an award for his accomplishments in psychotherapy during his senior year of residency. Dr. Hamilton offers his expertise in both medication management and psychotherapy in his practice, including cognitive, behavioral, motivational, and supportive therapies. He will collaborate with your therapist when you are working with one and may offer a referral to a specialist therapist if indicated.

Jenny Joseph, MD

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Background and credentials

Dr. Jenny Joseph is a board-certified adult psychiatrist. She earned her medical degree from St. George's University School of Medicine and completed her adult psychiatry residency at New York Medical College at Metropolitan Hospital Center. She has experience working with diverse patient populations and treating a range of psychiatric conditions.

Treatment approach

Dr. Joseph specializes in medication management for various psychiatric conditions, including mood, anxiety, and psychotic disorders. She employs a patient-centered approach that emphasizes empathy, open communication, and collaboration. In addition to pharmacological treatment, she incorporates psychoeducation and supportive therapy to help patients better understand and manage their conditions. When beneficial, she may recommend additional therapy and coordinate care with a therapist to ensure comprehensive treatment.

What you can expect in a first visit

During the first visit, patients can expect a thorough evaluation that explores their symptoms, treatment history, and personal goals. Dr. Joseph takes the time to listen and understand each patient's needs, ensuring that their treatment plan is tailored to their specific concerns. She provides a compassionate and structured approach to medication management while fostering a collaborative environment where patients feel supported in their mental health journey.

Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Alexander Wittenberg, DO

Staff Psychiatrist

Background and credentials    

Dr. Alexander Wittenberg is a board-certified adult psychiatrist. He received his undergraduate degree from Cornell University, majoring in Human Biology, Health, and Society. He earned his medical degree from the New York Institute of Technology College of Osteopathic Medicine, where he was a  member of the Psi Sigma Alpha Osteopathic Honor Society. As chief resident at  Mount Sinai Beth Israel, he gained extensive experience working in outpatient  settings and managing patient care at one of New York City's busiest clinics. Dr. Wittenberg has expertise in treating a wide range of mental health conditions, including depressive disorders, anxiety disorders, bipolar disorder, trauma and stressor-related disorders, and OCD.    

Treatment approach    

Dr. Wittenberg offers highly individualized and empathic treatment, primarily focusing on medication management. He frequently recommends integrating therapy into treatment plans and may suggest collaborating with a therapist. Dr. Wittenberg prioritizes a holistic approach, emphasizing overall well-being alongside symptom relief. He encourages the incorporation of mindfulness, self-compassion, exercise, nutrition, and attention to interpersonal relationships into his treatment strategy.    

What you can expect in a first visit    

During an initial visit with Dr. Wittenberg, patients can anticipate a collaborative, patient-centered, and non-judgmental environment designed to foster a meaningful therapeutic relationship. He will thoroughly discuss individual concerns and treatment goals, exploring potential therapeutic interventions, including medication management and holistic strategies to support mental health and overall wellness.

   

Why Talkiatry?    

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Kelvin McMorris, LISW

Staff Therapist

Kelvin is an experienced Licensed Independent Social Worker who has worked in a variety of clinical and non-clinical settings. Kelvin's years of experience include work as a case manager, mental health therapist, substance use and mental health group facilitator, a lead clinician for a school-based services program and coordinator for adventure-based programming. This experience has allowed Kelvin to serve in a variety of settings, including: schools, homes, hospitals, and outpatient clinics, as well as working with individuals from nearly every age range; anywhere from kindergarten-aged school children to adults in a nursing home and almost everywhere in between. ‍Kelvin places great importance on making treatment a unique experience for every individual, strongly believing that there is no single uniform answer to an individual's problems and solutions should be tailored to that person's specific life circumstances. Kelvin has a foundation in Cognitive Behavioral Therapy, but utilizes practices as appropriate from a variety of treatment styles, including Dialectical Behavioral Therapy, Trauma-Informed Care, Behavioral Activation, Play Therapy and many more.

Abdulhafiz Ahmed, MD

Staff Psychiatrist

Abdulhafiz Ahmed, MD

Staff Psychiatrist

Languages

English, Arabic

Conditions treated:

Anxiety, Depression. Bipolar Disorder, OCD, PTSD/Trauma, ADHD

Education and training:

University of Maryland at College Park, BS

Georgetown School of Medicine, MD

University of Maryland Medical System at Baltimore (UMMS), Residency

and fellowship.

Dr. Abdulhafiz Ahmed is a board-certified adult psychiatrist with over 25 years of clinical experience across community hospitals, university teaching hospitals, the Veterans Administration (VA) medical system, and private practice. He has served as the inpatient medical director at MedStar Harbor Hospital in Baltimore and outpatient medical director at the University of Maryland Upper Chesapeake. Dr. Ahmed has extensive expertise diagnosing and treating a wide range of psychiatric conditions including depression, anxiety, bipolar disorder, adjustment disorders, phobias, thought disorders, trauma, and PTSD.

Dr. Ahmed approaches each patient with empathy, attentiveness, and respect, fostering an environment of safety and trust. He recognizes the importance of cultural diversity and is dedicated to understanding each person’s unique background, values, and life circumstances. His patient-centered philosophy ensures that individuals feel heard, validated, and actively involved in their care.

Dr. Ahmed combines evidence-based psychopharmacology with supportive psychotherapy to provide comprehensive and individualized treatment. He collaborates closely with patients to develop a plan that targets their specific symptoms and goals, focusing on improving functioning, resilience, and overall well-being. His approachable and compassionate demeanor helps patients feel comfortable and confident throughout their journey toward recovery.

Elmina Summerall, MD

Staff Psychiatrist

Dr. Lanier Summerall attended Yale University, where she studied philosophy in the Great Books Program. She later studied Molecular Biology at the University of Colorado, where she and her husband moved after getting married. She received her medical degree from the University of Colorado Health Sciences Program, and completed her residency at Dartmouth Medical School. She also trained at Massachusetts General Hospital with Dr. Theodore Stern in his area of expertise (Consult Psychiatry) and learned from his immense skill at building strong rapport with all patients.

Dr. Summerall has experience in inpatient, and outpatient settings, along with teaching and research. She has worked in hospital administration, government entities, most importantly the Senate Veterans’ Affairs Committee.

Dr. Summerall values transparent communication and will work with you to create the change. She treats patients as unique individuals and treatment is put into place with individualized plans in mind. Her approach to patients, which emphasizes holistic, patient centered, strength based treatment built on a foundation of strong doctor-patient alliance and evidence based medical knowledge.

Your appointment with Dr. Summerall will be a conversation. She is there to work towards goals together and is a good translator of "medical-ese". She enjoys working with patients on all aspects of their health and caters treatment plans to you.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Child/Adolescent
Geriatric
Medication Management
States
Florida
Tennessee
Languages
English
Takes insurance
Virtual visits
years experience