Medical Team

What is Square Medical Group?

Square Medical is a comprehensive medical practice offering Primary Care, Behavioral Health, Gynecology, and both Individual and Group Therapy. Our caring, dedicated and professional staff work as a team to provide comprehensive services for patients.

TMS at Square Medical

Square TMS offers a safe, comfortable and welcoming environment to begin your treatment. As part of our platform, you will be under the supervision of a trained psychiatrist.

A Little History

Square Medical Group, then known as Square Psychiatry, was launched in 2008 by Natalie Lender, M.D. to treat patients with behavioral health and substance abuse diagnoses. Dr. Lender’s prior experience working with this patient population in multiple hospitals around the state encouraged her to try and create her own patient care model. Since then the organization has grown into two integrated facilities specializing in primary care and behavioral health. As our staff and provider family has grown over the years, we have committed ourselves to maintaining our steadfast dedication to patient care and innovation.

TMS Medical Team

Natalie Lender, MD

Medical Director and Psychiatrist

Dr. Natalie Lender is a Psychiatrist, certified by the American Board of Neurology and Psychiatry and has been practicing for more than 24 years. Dr. Lender received her medical degree from the Moscow State Medical University in Moscow, Russia. She later graduated from the psychiatric residency-training program at TUFTS University in Boston, Massachusetts in 1998. Dr. Lender works as a part-time attending psychiatrist at Bournewood Hospital located in the Metro Boston, where she practices general psychiatry and specializes in drug and alcohol addiction treatment.

Dr. Lender formed Square Psychiatry in 2008 and has since developed the practice into a valuable resource for the Greater Boston community. Dr. Lender’s experience includes developing integrative care for dual diagnosis and substance abuse patients.

Cynthia Carter, MD


Cynthia S. Carter, MD is a psycho-pharma-cologist and Certified in the practice of Psychiatry through the American Board of Psychiatry and Neurology. She received her Bachelor in Science from Howard University in Washington, DC and her medical degree from the University of Illinois at Chicago. She completed a medical internship at the Hospital of St. Raphael’s in New Haven, CT and went on to complete her psychiatric residency at Yale University in 1992 with an emphasis on Addictions and Forensic Psychiatry. She completed a Fellowship in Forensic Psychiatry at Case Western Reserve University in 1993. Since moving to Boston, she has worked at Mass General, has been the Director of Outpatient Addictions at what was then Boston City Hospital and was a staff psychiatrist at Harvard Vanguard Medical Center, Kenmore. She accepted a Staff Psychiatry position at Harvard University Health Services in 2000 and remains there part time. She also has an outpatient clinic at Roxbury Comprehensive Community Health Center. Her areas of expertise include Addictions, the interface between Law and Psychiatry, Mood Disorders, Anxiety Disorders, Psychotic Disorders, Eating Disorders, Women’s Issues and Cross Cultural Issues. She speaks English and Haitian Creole fluently.

Miles Cunningham, MD PhD


Miles G. Cunningham earned a PhD in 1993 from Massachusetts Institute of Technology, specializing in “Transplantation Strategies for the Analysis of Brain Development and Repair”. He earned an MD in 1995 from Harvard Medical School, with a special interest in neuropsychiatry and behavioral neurology. Dr. Cunningham received residency training at Massachusetts General and McLean Hospitals, while continuing neuroscience research in the laboratory of Dr. Francine Benes which focused on the study of the corticolimbic circuitry of psychopathology.

Dr. Cunningham presently administers the Laboratory of Neural Reconstruction, which studies emotional circuitry and psychopathology via precision engraftment of genetically engineered neural cells. An associate psychiatrist at McLean Hospital, he also conducts a limited private practice specializing in neuropsychiatry, psychopharmacology, psychotherapy, and cognitive and behavioral therapy. He is founder of Asniya, a philanthropic program which introduces medicine and teaches preventative care to Native American children living on underprivileged reservations.

Gregory Labun, MD


Dr. Gregory Labun is an Assistant Professor of Psychiatry at Tufts University Medical School, Board Certified in Adult Psychiatry by the American Board of Psychiatry and Neurology.  He completed his Residency training in psychiatry at Tufts Medical Center.

Dr. Labun has special interest and expertise in Psychopharmacology and Addiction and Forensic Psychiatry.  He has years of clinical experience working with patients undergoing court-ordered forensic evaluations on an inpatient basis.  He has administrative and leadership experience serving as a Medical Director of an Acute Inpatient Psychiatric Unit.  Dr. Labun has provided numerous forensic consultations in civil commitments and guardianship cases as an Independent Medical Examiner / Expert Witness in his private practice.

Tanya Gershman, BS

TMS Manager

Tanya Gershman is the Transcranial Magnetic Stimulation manager and one of the TMS operators. She graduated from Brandeis University with her Bachelor of Science degree in Health: Science, Society, and Policy. Tanya’s most recent position was in the cardiology department at Newton Wellesley Hospital. Previously, she worked as the front office manager at Square Medical Group and interned as a research assistant for Dr. Taylor studying functional medicine in conjunction with a capstone course at Brandeis University.

Brenden Stark

TMS Operator and Medical Assistant

Brenden Stark is a Brainsway certified Transcranial Magnetic Stimulation operator and a licensed EMT.  He has over 5 years’ experience working within the healthcare industry.  He developed a great interest in new medical technologies while studying at the University of Massachusetts Amherst.  This interest is what led him to the TMS field. Seeing how TMS deeply changes patients’ lives is what keeps him involved.