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Theresa Colberg, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Tics/Tourette Syndrome

Education and training

  • Temple Medical School, MD
  • Mount Sinai Beth Israel, Residency

Get to know

Theresa Colberg, MD

Dr. Theresa Colberg is a board certified adult psychiatrist. She offers guidance with navigating difficult and painful emotions that may result from stressful life situations, such as the loss of or separation from a loved one, work related stressors, burn out, adult and childhood trauma, OCD and mood disorders including major depressive disorder, bipolar disorder, and various anxiety disorders. Within a safe, and supportive working relationship, Dr. Colberg will strive to reach an understanding of your unique situation, identify the issues that are interfering with progress, and develop a plan to better identify and achieve your goals.

Previous to joining Talkiatry, Dr. Colberg served as a clinical psychiatrist for the VA Healthcare System, providing care for veterans with a predominant focus on treatment of post traumatic stress disorder. She has also worked collaboratively as an integrated psychiatrist for a primary care FQHC, treating primarily trauma and stressor related disorders within a primary care setting.

Dr. Colberg completed her Psychiatry Residency from Mount Sinai-Beth Israel in New York City and obtained her medical degree from Temple Medical School in Philadelphia. She offers 60-minute initial appointments and 30-minute follow-up appointments, and she won't hesitate to collaborate with other mental health experts as necessary to better support your needs.

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Agnes Tolentino, MD

Staff Psychiatrist

Dr. Agnes Tolentino is a board-certified adult psychiatrist with over 20 years of practice experience.  She obtained her undergraduate degree at the University of the Philippines and completed medical school at the University of the East.  She finished her psychiatry residency at the Harvard South Shore program as chief resident in her final year.  She has a strong background in psychotherapy as an adjunct to medication management.  She has extensive experience in treating PTSD, medically ill patients, elderly patients and those with terminal illnesses. She spent the last 15 years treating the geriatric population and those adjusting to co-morbid medical problems.  

She is an empathic listener and collaborative clinician, focused on treating the whole person.  She emphasizes the need to use healthy coping mechanisms as well as lifestyle changes to complement medication management.  In keeping with the “whole person” focus, the role of physical well-being is important. A thorough medical history will be obtained on your initial appointment.  

Gathering a thorough psychiatric and medical history is paramount in a successful therapeutic relationship.  And with time, a trusting therapeutic environment should be fostered.

Kristina Schnitzer, MD

Staff Psychiatrist

Background and credentials

Dr. Kristina Schnitzer is a board-certified psychiatrist. She earned her medical degree from the New York University School of Medicine and completed her residency in Adult Psychiatry at the Massachusetts General Hospital/McLean Adult Psychiatry Residency Program. She further specialized by completing a one-year clinical and research fellowship in Public and Community Psychiatry through Massachusetts General Hospital and the Massachusetts Department of Mental Health. In addition to her medical training, she holds a Master of Public Health (MPH) from the Harvard T.H. Chan School of Public Health. She has over three years of experience practicing psychiatry across inpatient, emergency, and outpatient settings.

Treatment approach

Dr. Schnitzer focuses on medication management as the foundation of her treatment approach, typically combining it with supportive or emotionally focused therapy during 30-minute follow-up visits. She takes a collaborative and individualized approach to patient care and, when needed, may recommend additional therapy by integrating a therapist into the care team to ensure the best possible outcomes. She has experience treating a broad range of psychiatric disorders in various clinical settings.

What you can expect in a first visit

Patients can expect a thorough and structured evaluation in their first visit, where Dr. Schnitzer carefully assesses their symptoms, medical history, and treatment goals. She emphasizes open communication and collaboration, ensuring that patients are fully involved in shaping their treatment plans. Follow-up visits typically last 30 minutes, during which she monitors progress, adjusts treatment as needed, and may recommend additional therapeutic support for comprehensive care.

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.

Jordan Kalosieh, MD

Staff Psychiatrist

Dr. Jordan Kalosieh has experience treating patients across the lifespan in a variety of clinical settings, including inpatient, intensive outpatient, rehabilitation, and outpatient care. She earned her medical degree from St. George’s University School of Medicine and completed her psychiatry residency at HCA Aventura Hospital, where she served as chief resident.

Dr. Kalosieh believes in open and transparent communication, offering guidance while respecting each patient’s autonomy. She values authenticity in the therapeutic relationship, combining warmth with directness to create a calm, attentive, and nonjudgmental environment where patients feel supported and understood.

Dr. Kalosieh takes a holistic approach, carefully considering each patient’s unique history, needs, and goals when creating treatment plans. She emphasizes shared decision-making by clearly communicating her thought process and engaging patients as active partners throughout their treatment journey.

Jenna McDonald, LMHC

Staff Therapist

Jenna McDonald is a Licensed Mental Health Counselor in New York State who has extensive experience working in the mental health field. Jenna attended undergraduate school in Amherst, NY , graduate school in Buffalo, NY, and completed internship programs during her time there at both schools. Jenna continues to obtain knowledge through regular trainings and certifications that interest her, including EMDR.

Jenna has worked directly with many different kinds of clients, who have experienced an array of mental health concerns at all levels. Jenna also has experience in working with comorbid disorders that can at times go hand-in-hand such as anxiety & depression, or homelessness & substance use. Jenna has been working in mental and behavioral health for approximately 10 years and continued after being fully licensed, which required 3000 hours of supervised experience as well. As an LMHC , Jenna likes to focus on helping those with anxiety, depression, relationship/employment concerns, and overall transitions of life ( school/work/medical issues/moving stressors etc), which may hinder daily life. Working with Jenna, treatment is tailored to the individual client in order to choose the treatment plan that fits that individual’s personal struggles.

Jenna uses a mix of different approaches typically found in Solution Focused Therapy, Person Centered Therapy , Motivational Interviewing , and Cognitive Behavioral Therapy. Whether the goal is talk therapy or problem solving , Jenna would be more than happy to explore your goals with you.

Roel Sepulveda, PMHNP

Staff Nurse Practitioner

Roel Sepulveda is a board-certified psychiatric mental health nurse practitioner (PMHNP-BC) with a Master of Science in Nursing from the University of Alabama at Birmingham. Certified by the American Nurses Credentialing Center (ANCC), he has over 10 years of experience providing mental health care in psychiatric emergency rooms, outpatient psychiatry, and telehealth settings. Roel is committed to delivering comprehensive and accessible care that supports patients across diverse needs and backgrounds.

As a provider, Roel values creating a compassionate and collaborative environment where patients feel comfortable sharing their experiences. He takes a patient-centered approach, meeting individuals where they are and working together to identify treatment goals. Patients can expect a nonjudgmental space where their concerns are heard, respected, and addressed with empathy and understanding.

When working with patients, Roel begins by taking time to understand their history, symptoms, and current challenges. He develops individualized treatment plans that may include a combination of medication management, lifestyle strategies, and coordination with therapy or other supports. His goal is to provide evidence-based care while empowering patients to actively participate in their mental health journey and achieve lasting well-being.

Alysha Wilbanks, LCSW

Staff Licensed Clinical Social Worker

Alysha Wilbanks is a Licensed Independent Clinical Social Worker. After completing her Master's internship with Lutheran Social Services working with families, children, and adults with mental health concerns, Alysha worked with adults with addiction and mental health concerns in an inpatient detox and rehabilitation hospital. She then transitioned to working at Mayo Clinic as an outpatient psychotherapist working with all ages. Alysha has been providing psychotherapy through telehealth online since the beginning of the pandemic. Alysha specializes in working with teens, people with addiction, and people with a trauma history. Her style is laid-back and approachable when treating individuals who suffer from various diagnoses. She provides supportive psychotherapy and utilizes psychodynamic therapy skills to address the patient's current stressors and identify the root of their concern.

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Specialties
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Tics/Tourette Syndrome
States
Pennsylvania
New Jersey
New York
Languages
English
Takes insurance
Virtual visits
7 years experience