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William Winter, MD


Dr. William Winter is a child, adolescent and adult psychiatrist. After receiving a Bachelor’s degree in neuroscience at Brandeis University, he went to Tulane medical school and received an M.D. degree. Following this, Dr. Winter did a medicine internship at SUNY Stony Brook followed by a year of radiology, residency in psychiatry at Mount Sinai and a fellowship in Child and Adolescent psychiatry at NYU medical center. He has been in private practice since 2003 and is double boarded by the American Board of Psychiatry and Neurology.  

He enjoys teaching and has taught and supervised family therapy at the NYU Child Study Center, has been on faculty at Beth Israel Hospital and at the Ferkauf graduate school of Psychology at Yeshiva University.


Dr. Winter has been treating people with ADHD throughout his medical career. Besides medication management, he is a proponent of cognitive behavioral therapy and working with the family. He also does pet therapy with his dog, Kelev. He is the director of ADHD NYC.  


Gerrie Goldfarb, PhD

New York State Licensed Psychologist

Certified School Psychologist

Dr. Goldfarb has greater than 30 years of experience working with adults, couples, adolescents,
children and families in both private practice and a hospital setting, where she focused on a
myriad of psychological diagnoses. A compassionate listener, Dr. Goldfarb has had extensive
experience working with individuals who present with ADHD, anxiety disorders, depression,
phobias, marital issues, school problems, intimacy concerns, sexual, physical and emotional
abuse, and bereavement. Additionally, she has provided written mental health evaluations for
individuals and couples seeking to adopt internationally. She has also provided medical teams
with evaluations of individuals who were considering bariatric surgery.
Dr. Goldfarb uses a variety of evidence based techniques including insight oriented therapy,
supportive psychotherapy, behavioral techniques including the development of behavior plans,
mindfulness, and couples counseling, to address the presenting psychological issues. She works with clients, to develop appropriate tools that will lead them to more adaptive behavioral repertoires that are consistent with their life goals.



Rebecca Blake, MS, RD, CDN


What we eat and drink, when and how much- these automatic day to day choices can have a direct impact on focus and concentration.


Rebecca Blake, MS, RD, CDN is the Director of Nutrition at Elizabeth Seton Pediatric Center, a 169 bed pediatric long term care facility in Yonkers, NY.  


She holds a Master of Science in Clinical Nutrition & Dietetics from NYU, is a Registered Dietitian and Certified Dietitian-Nutritionist (CDN). She completed a Master of Science in Health Care Delivery Leadership at the Icahn School of Medicine at Mount Sinai in May 2016.

Rebecca is widely known as an expert resource for her insight and knowledge on Health concerns related to diet and nutrition. She is frequently featured on Health Day, The Daily News, The New York Times, CNN, and Forbes, and has appeared on NBC, NY1, and Fox News discussing weight loss, nutrition trends, artificial sweeteners, food safety, and a host of other nutrition-related topics.

Maya Wolf,  MBA, OTR/L

Occupational Therapist

Hyperactivity/ impulsivity associated with ADHD can present, among other ways, with messy handwriting, sensory issues or poor coordination. If that is the cause, or if due to another etiology, occupational therapy may help.


Maya Wolf, MBA, OTR/L is a pediatric New York State registered and licensed Occupational Therapist. She received her bachelor of science degree in occupational therapy from Boston University's College of Health & Rehabilitation Sciences: Sargent College. She later earned a master of business administration degree from Baruch College, Zicklin School of Business.

Maya has over ten years of experience treating hundreds of children in a variety of settings. She has serviced early intervention, preschool and school aged children.


Additionally, Maya has supervised occupational therapy students during their fieldwork experience. She leads in service training sessions on Occupational Therapy and Autism at the Seaver Autism Center, Icahn School of Medicine at Mount Sinai. Maya also presents on topics such as dealing with sensory processing difficulties in the classroom and signs of fine motor delays to educators and paraprofessionals at local preschools. She is also an author of a children’s book.

Samara Matityahu, MA, LCAT- LP*

Art Therapist

Samara received her B.A in Psychology with a minor in Studio Art from (SUNY) Binghamton University, and her M.A in Clinical Art Therapy and Counseling from Long Island University-C.W POST. She is certified in Mindfulness within Clinical Practice, and certified in Trauma Focused Cognitive Behavioral Therapy (TF-CBT) and uses multiple CBT techniques within her practice. She is also a member of NYATA (New York Art Therapy Association), and NYCCAT (New York City Creative Arts Therapists).


Samara’s experiences with Art Therapy and Counseling range from working extensively with Youth and Families in various academic and personal settings, to Geriatrics with different types and stages of dementia. She often facilitates group sessions that incorporate art as an initiative to bring people together and interact with one another. Samara also specializes in creating and organizing various programs such as different After School Programs, and events such as, the Mental Health PopUp, that utilize psychoeducation, health and wellness, and art in the same space. Samara also enjoys using her Conversational Spanish to engage and talk with those that prefer to speak it. Samara is capable of helping children with self-esteem and patience though art, and also with those that may be struggling with Depression, and Anxiety. She can also help and support those that want to continue to work on self care, cope with different life transitions, increase personal development, promote health and wellness, and stress management.

Rachel Concha, MA

ADHD.NYC Coordinator

Rachel Concha is an incoming doctoral candidate at Fairleigh Dickinson University Clinical Psychology PhD program, where she specializes in neuropsychology.  Rachel graduated from Teacher's College, Columbia University with a Master's of arts degree in clinical psychology, and has a degree in neuroscience from The University of Texas at Austin.  Her interests include neuropsychological testing, psychodynamic therapy, and behavioral psychotherapy techniques.


Rachel is currently involved with multiple research projects including a study at Mount Sinai Beth Israel involving psychosis and cannabis use, as well as two studies involving psychotherapy research at Weill-Cornell Medicine and Columbia University. At Columbia Rachel is heavily involved with a research project investigating the therapeutic alliance in text-based psychotherapy.  Rachel is a student member of the American Psychological Association, and American Psychological Association Division 40 (Neuropsychology).

Besides these interests, Rachel is multifaceted. This website has been the beneficiary of her creativity, insight and effort over countless hours.  From design, to content, to research, her contributions have been considerable.  Her role continues to evolve as we continue to evolve.

Our Extended Team

Tamar Magnas, MD, FAAP


Prior to starting some medications that treat ADHD, it is important to have medical clearance. We have a wonderful working relationship with Dr. Magnas as a trusted consultant.


Tamar Magnas, MD, FAAP is a highly regarded pediatrician in Brooklyn.  She is known for her expertise and her warm and welcoming disposition. She is also known for her 24/7 availability to her patients by phone or email.


After receiving her bachelor’s degree from Cornell University, Dr. Magnas completed her medical degree at the Ruth and Bruce Rappaport’s Faculty of Medicine at the Technion Institute in Israel. She did Internship at the Rambam Medical Center and did pediatrics residency at the Winthrop University Hospital in Long Island.

Dr. Magnas is Board Certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics. She is an assistant clinical professor in the department of pediatrics at the the Mount Sinai School of Medicine in Manhattan and has been practicing in NYC for 14 years.  


Contact information:

Office Location:          8008 Third Avenue, Brooklyn, NY 11209

Phone number:          (718) 833-3636



Insurance accepted:  Yes. Please see website for details.


*ADHD.NYC has no financial relationship with Dr. Tamar Magnas. She is listed here as a courtesy for our patients.

Lilly Leiber, MPS, ATR-BC, LCAT,

Art Therapist

Did you know that children who make art in session talk twice as much and that making art can improve mood? Art can also directly address issues that are hard to talk about.


Lily Leiber, MPS, ATR-BC, LCAT, graduated with a Masters from the Pratt Institute with a 4.0 GPA. She is a nationally board certified (BC) Registered Art Therapist (ATR) and NY State Licensed Art Therapist (LCAT). She has extensive experience providing verbal and art therapy in the inpatient and outpatient settings as well as well as in schools. She has also supervised graduate level interns and mental health professionals. She publishes and offers workshops.

Lily Leiber offers individual and group therapy. She provides verbal therapy when indicated. She also offers art therapy when clinically warranted.  


Techniques she practices include cognitive behavioral therapy and mindfulness, psychodynamic psychotherapy, art therapy and play therapy.


Contact Information:

Office Locations:        1651 Third Avenue, Suite 205, Buzzer #11, New York, NY 10128

                                      26 East 36th Street, New York, NY 10016

Phone number:          (347) 674-4182


Insurance accepted:  Yes. Please see website for details.


*ADHD.NYC has no financial relationship with Lily Leiber. She is listed here as a courtesy for our patients.

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