Depression Psychiatrists in Maryland

Dr. Michelle Hornbaker-Park is a board-certified General and Child and Adolescent Psychiatrist with over nine years of experience. Her practice focuses on medication management, which is founded not only on evidence-based medicine but also on the understanding that a trusting therapeutic relationship is the cornerstone of behavioral health healing. She incorporates CBT, supportive therapy, and psychoeducation into her medication management appointments and may refer patients for additional psychotherapy to improve outcomes. Dr. Hornbaker-Park received her Bachelor of Science degree from Ursinus College, with a dual major in Biochemistry/Molecular Biology and Neuroscience. After receiving a Health Professions Scholarship from the Army, she obtained her medical degree from Jefferson Medical College. She went on to enter active duty military service and complete General Psychiatry residency training and Child and Adolescent Psychiatry fellowship training at Tripler Army Medical Center before completing active duty service as a staff psychiatrist and 101st Airborne Division psychiatrist at Fort Campbell, KY. There she cared for active duty service members and their families to manage depression, anxiety, trauma, and the unique stressors of military service. She later transitioned to federal civilian service and served as a preceptor for Phase II Physician Assistant trainees and Army Social Work interns, reinforcing a passion for education that carried her to Walter Reed National Military Medical Center (WRNMMC). During her time at WRNMMC, she served in several roles including Deputy Medical Director of Inpatient Psychiatry, core faculty for the National Capital Consortium Psychiatry Residency Program, Associate Program Director, and associate faculty at the Uniform Services University for Health Sciences (USUHS). Prior to transitioning out of federal service to join Talkiatry, she was repeatedly recognized for excellence in academics and mentorship and received multiple teaching awards. This zeal for education and mentorship, as well as humility, personal growth, and learning, translates directly into her philosophy for patient care. She believes a whole-person approach with open, collaborative teamwork is the key to progress.

Jaime Sather, PMHNP is a board certified psychiatric nurse practitioner with over 20 years' experience in the mental health field. Specialty areas include ADHD, anxiety, depression, mood disorders, substance abuse, PTSD, and women’s health. Clinical experience with inpatient, outpatient, detoxifications rehab, psychiatric emergency department, IOP, and PHP.

Comprehensive psychiatric evaluations, medication management, and brief psychotherapy are provided. Besides medication management with psychotherapy, individual therapy may be recommended for the best possible patient outcome.

Patients feel comfortable discussing their concerns in a non-judgmental therapeutic environment. Education is provided about diagnosis and treatment options with the patient being empowered to be an active part of their treatment plan.

Dr. Stansberry holds the position of staff psychiatrist at Talkiatry. He is board-certified in Adult Psychiatry by the American Board of Psychiatry and Neurology. Stansberry's practice focuses on medication management and also incorporates supportive therapy techniques, typically in 30-minute follow-up visits. In some cases, Dr. Stansberry may believe that additional therapy is also needed and ask that you bring a therapist into your care team. Dr. Stansberry received his medical degree from the Louisiana State University Health Sciences Center in New Orleans. He completed his residency training through the Louisiana State University/Ochsner Health Foundation Psychiatry Residency program. He has experience working in inpatient, emergency, and consult-liaison psychiatry but particularly enjoys the opportunity to work longitudinally with patients in the outpatient setting.**THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR LOUISIANA PATIENTS**

Dr. Ramsey is board certified in general and child and adolescent psychiatry. His practice primarily focuses on medication management. He sees himself as a collaborator with therapists and counselors in caring for their shared patients and their families. He received his medical degree from the University of Tennessee Health Science Center in Memphis, TN. He completed his residency at West Virginia University Hospitals and WVU School of Medicine and a fellowship in child and adolescent psychiatry at the Yale Child Study Center, Yale University School of Medicine, and Yale-New Haven Hospital in New Haven and Middletown, CT. He completed his undergraduate studies at the University of Memphis. Dr. Ramsey remained in CT for two additional years, working in the Department of Children and Families, serving the state's at-risk youth and adolescents at a psychiatric residential treatment facility. He then returned to West Virginia University as clinical faculty in its School of Medicine. During the 12-year academic appointment, he had active roles in educating, training, and supervising medical students, general psychiatry residents, child and adolescent psychiatry fellows, and trainees from various disciplines. He worked for many years with adolescent males at both the Dually Diagnosed and Specialized Residential Treatment Centers within West Virginia University Healthcare. He provided outpatient and acute inpatient care, as well as hospital-based consultation services. Within the community, he provided medication evaluation and management services to residential treatment facilities and university student health. He has been seeing patients and collaborating with providers through telemedicine since 2016. While Dr. Ramsey specializes in working with patients with anxiety, he does not prescribe benzodiazepines.‍

Deora Johnson, PMHNP, is a board-certified adult psychiatric nurse practitioner with 24 years of experience. He is passionate about providing clients with a holistic approach to mental health care, incorporating both pharmacologic and non-pharmacologic interventions. Deora works with adult and senior populations, focusing on the assessment, diagnosis, and treatment of mental health conditions. He collaborates closely with clients to guide them through understanding and selecting the most effective interventions and medication management options for their needs. Supportive therapy, solution-focused therapy, and motivational interviewing are integral components of his medication management sessions.

Deora earned his Master of Science in Nursing from Vanderbilt University in Nashville, Tennessee, and completed a nursing practice degree at the University of Alabama in Birmingham. He has experience treating patients in a variety of outpatient and inpatient settings.

His areas of specialty include the treatment of major depressive disorder, anxiety disorders, bipolar disorder, ADHD, PTSD, and insomnia. His research focused on non-pharmacologic interventions for insomnia in individuals with depression.

Deora also has experience working with military veterans. At the VA Outpatient Clinic in Baltimore, Maryland, he treated veterans returning from Operation Iraqi Freedom and Operation Enduring Freedom, as well as those from the Vietnam and Korean War eras. His clinical work focused on PTSD, major depressive disorder, anxiety disorders, and bipolar disorder.

Deora believes the therapeutic relationship offers a unique opportunity to work collaboratively through life’s challenges. He views medication management as an important part of a comprehensive treatment plan that also includes therapy.

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Avi Adri is a board-certified psychiatric nurse practitioner with a passion for helping others achieve their goals through medication management and psychotherapy. He is trained in cognitive behavioral therapy, psychodynamic therapy, and supportive therapy. Avi has experience supporting individuals with depression, anxiety, OCD, bipolar disorder, PTSD, and ADHD. He is an LGBTQIA+ affirming provider who believes in empowering individuals in their lives.

He earned his Master of Science in Nursing with a specialty in psychiatry from Stony Brook University and a nursing practice degree from Chatham University. Avi is committed to providing evidence-based, compassionate treatment for mental health conditions to enhance quality of life. His previous experience includes two years at Columbia University Medical Center on an inpatient psychiatric unit and four years on the medical consultation-liaison psychiatric team, where he treated patients with a range of acute and chronic medical conditions while providing medication management and psychotherapy. His work at Columbia involved treating a wide spectrum of psychiatric conditions with the goal of achieving symptom remission.

Additionally, Avi has practiced at a private clinic in New York City, focusing on interventional techniques such as TMS and ketamine therapy, alongside medication management and psychotherapy.

Through mindful techniques and compassionate care, Avi is dedicated to the well-being of his clients. He views each person as more than a diagnosis and approaches care through a client-centered, holistic lens.

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Dr. Yaejin Park is a board-certified adult psychiatrist at Talkiatry. She received her medical degree from the University of Illinois at Chicago School of Medicine and completed her psychiatry residency training at Mount Sinai Morningside West.

Dr. Park has professional interests in treating a wide range of psychiatric conditions including depression, anxiety, PTSD, and eating disorders.  She strives to provide compassionate and holistic care with the integration of supportive psychotherapy and medication management.

Sonya R. Isler, PMHNP-BC, began her nursing journey over 30 years ago in a state psychiatric hospital in Goldsboro, NC, inspired by the poised nurse she admired at church as a child. Her path includes roles as LPN, RN, BSN, and multiple advanced practice degrees. Sonya has worked in inpatient and outpatient settings, VA clinics, and private practices. She also serves as a preceptor for PMHNP students at her alma mater, the University of North Carolina at Chapel Hill.

Sonya creates a welcoming, respectful space where patients feel safe to communicate openly. She practices active listening and values patient input when setting therapy goals. Her approach is holistic—treating the whole person—and she encourages collaboration, helping patients feel seen, heard, and empowered in their care.

Sonya reviews a patient's history before each session and begins with clear introductions and goal setting. She invites open discussion of concerns and tailors' treatment plans with patient input. She often incorporates CBT, motivational interviewing, and solution-focused therapy into care, promoting growth through supportive, personalized strategies.

Dr. Parrish is a board-certified General Psychiatrist and board-certified Child and Adolescent Psychiatrist. In addition to medication management, Dr. Parrish also provides supportive therapy and cognitive behavioral therapy techniques during appointments. When appropriate, she will refer patients for additional psychotherapy and will work to collaborate with therapists to help patients achieve the best outcomes. She received her medical degree from the Medical College of Virginia/VCU in Richmond, Virginia. She then traveled to Greenville, South Carolina where she completed a General Psychiatry residency at Greenville Health System/PRISMA Health and then returned to Virginia to complete a Child & Adolescent Psychiatry fellowship at The Virginia Treatment Center for Children/VCU Health System. Dr. Parrish is a strong advocate of an integrated approach to treating children and their families. She completed undergraduate training at Randolph-Macon College in Ashland, Virginia, where she studied psychology and elementary education. Prior to entering medical school, she was a licensed elementary school teacher in Virginia where she served children of various learning styles and needs. She continues to have an interest in learning disabilities, other neurodevelopmental disorders, ADHD, mood disorders, as well as many other areas of psychiatry.‍

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.

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Daniel Ebert, MD, earned his medical degree from Vanderbilt University School of Medicine and completed his psychiatry residency at Massachusetts General Hospital and McLean Hospital. He has served on the faculty at Harvard Medical School and Johns Hopkins School of Medicine for over 15 years. Board certified in psychiatry by the American College of Psychiatry and Neurology, Dr. Ebert has extensive experience treating mood, anxiety, psychotic, and substance use disorders across inpatient and outpatient settings, including student mental health, community psychiatry, and academic outpatient practices.

Dr. Ebert strives to create a respectful environment where patients feel heard as they build a strong therapeutic alliance. He values long-term collaboration to achieve meaningful treatment goals and improve quality of life. With clinical experience guiding his approach, he offers reasonable therapeutic optimism while addressing challenging symptoms and issues.

Dr. Ebert begins with a comprehensive clinical assessment to understand each patient’s symptoms, life story, behavior, and personality. He develops a collaborative treatment plan, revisiting it over time. Follow-up appointments integrate medication management, if prescribed, and psychotherapy tailored to the individual, using a combination of standard therapeutic approaches aligned with the shared plan.

Dr. Kothari's treatment approach begins with establishing a good therapeutic rapport with her patients and listening to her patients so that they feel heard. Dr. Kothari likes to spend time providing psychoeducation on medications when discussing the treatment plan. Dr. Kothari's practice focuses on medication management primarily, but may incorporate supportive psychotherapy during medication visits. Dr. Kothari may recommend additional psychotherapy if she feels a patient may benefit from this. Dr. Kothari's current practice does not include the use of any controlled substance medications, such as stimulants, benzodiazepines, and certain sleep aids.

Dr. Joshua Riederman is a board-certified psychiatrist with a specialization in the treatment of adults aged 18 to 65. Dr. Riederman obtained his undergraduate degree in brain, cognition, and neuroscience from the University of Michigan in Ann Arbor. He subsequently attended medical school at Nova Southeastern University in Fort Lauderdale, Florida, and completed his residency training at JFK Hospital in Palm Beach, Florida.

Dr. Riederman places a strong emphasis on establishing meaningful relationships with his patients and supporting them in achieving their individual life goals through effective treatment. He actively incorporates patient preferences into all treatment plans and integrates psychotherapy with medication management. Dr. Riederman recognizes the importance of educating patients about their care and dedicates time during each appointment to address any questions or concerns they may have.

In his clinical practice, Dr. Riederman begins by facilitating an open dialogue with patients regarding their primary concerns for the appointment. During initial consultations, he conducts a comprehensive assessment, which includes gathering relevant medical, familial, and social histories that may influence the course of treatment. In subsequent appointments, Dr. Riederman engages patients by inquiring about developments that have occurred since their last visit, as well as any issues related to medications or significant life events.

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Dr. Sumeet Singh is board-certified by the American Board of Psychiatry and Neurology in General Adult Psychiatry. He completed his psychiatry residency training at Howard University Hospital and Saint Elizabeth's Hospital in Washington, DC., where he was voted as Chief resident. He went on to serve as vice chair of the Department of Psychiatry at Adventist HealthCare in Maryland, where he worked in both an administrative and clinical role treating adults in inpatient settings. Additionally, he served as a Clinical Instructor of Psychiatry at Georgetown University School of Medicine, teaching medical students about the art of medicine. Dr. Singh received his undergraduate degree in Neuroscience from the University of Michigan and received his medical degree from Xavier University School of Medicine. Most recently, Dr. Singh worked for Life Stance Health, an outpatient telehealth company, where he treated patients between the ages of 18-65 years old with both medication management and therapeutic interventions. Dr. Singh has years of experience treating the following disorders/diagnoses: depression, anxiety and panic attacks, bipolar disorder, PTSD, ADHD, and OCD.‍

Maegan Roberts, PMHNP, earned her MSN from Indiana University School of Nursing and her BSN from the University of Evansville. She worked as a Registered Nurse in inpatient psychiatry for five years before transitioning to outpatient care as a psychiatric nurse practitioner in 2017. Maegan has experience treating patients across the lifespan, from school-aged children to older adults. She is especially attuned to the challenges of young adulthood, parenting, and navigating complex family dynamics. Committed to lifelong learning, she values the insights and perspectives her patients bring to their care.

Maegan creates a therapeutic environment grounded in dignity, empathy, and respect. She empowers patients through education about diagnoses, symptoms, and medications while promoting autonomy and informed decision-making. Her approach blends psychopharmacology with supportive therapy, skill-building, and sustainable lifestyle strategies, helping patients build insight and resilience.

In the initial appointment, Maegan takes time to understand each patient’s history, concerns, and goals. From there, she collaborates with patients to create and adapt treatment plans that align with their evolving needs, always keeping the individual’s unique context and aspirations at the center of care.

Cassandra Thomas-Jingles is a dedicated, board-certified Psychiatric Nurse Practitioner with dual certification as a Family Nurse Practitioner. She is deeply passionate about helping others and takes a holistic, evidence-based approach to mental healthcare, empowering patients to live life to their fullest potential.

Her practice focuses on medication management and supportive therapy, offering 30-minute follow-up sessions. When additional therapy is needed, she recommends including a therapist in the care team to ensure the best possible outcomes. With extensive experience in both outpatient and inpatient settings, Cassandra has worked with adults and children facing a wide range of mental health conditions, including ADHD, anxiety, depression, and psychotic disorders. She strongly believes in prioritizing client involvement and fostering interprofessional collaboration.

Your mental health journey is unique, and Cassandra is here to listen with compassion and without judgment. All conversations are confidential, and her goal is to create a safe, welcoming space where you feel comfortable sharing your thoughts and concerns.

During your initial appointment, Cassandra will review your mental health history, current symptoms, lifestyle factors, and any previous treatments to gain a comprehensive understanding of your needs. Together, you will develop a personalized treatment plan that may include therapy, medication, or other supportive strategies. She values shared decision-making, ensuring your input is considered at every step of the process.

If medication is part of your treatment, Cassandra will clearly explain its benefits, potential side effects, and how your progress will be monitored. Adjustments can be made as needed to achieve the best possible outcome.

Healing takes time, and Cassandra is committed to supporting you throughout the process. Follow-up appointments are essential for tracking progress, making necessary adjustments, and ensuring you receive the care you need.

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