About Staff

Takashi Matsuki MD

Takashi Matsuki, M.D.

Psychiatrist, Psychotherapist

Professional Experience

  • Private Practice, located on the Upper West Side of Manhattan, New York, NY, and Edgewater, NJ.
  • Assistant Professor of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY
  • Attending Psychiatrist, Mount Sinai St. Morningside Hospital, Comprehensive Psychiatric Emergency Program
  • Japanese Medical Society of America, Board Member

Prior Experience

  • Medical Director, Attending Psychiatrist, Mount Sinai Beth Israel Hospital, Comprehensive Psychiatric Emergency Program

Supervised a multi-disciplinary team of mental health professionals. Monitored and improved patient care and outcomes. Ensured quality control and compliance with state and federal regulations. Supervised and taught psychiatry residents and medical students.

  • Medical Director, Shonan Nagisa Medical Clinic, Fujisawa, Japan

Served as a primary care physician for the largest medical home care organization in Japan. Provided medical services for bed-ridden/home-bound patients. Actively involved in palliative care of terminally-ill patients. Supervised more than 90 employees.
Coordinated medical care of more than 1800 patients under our care.


  • M.D. (Doctor of Medicine): Tokyo Medical and Dental University, Tokyo, Japan

Postgraduate Training

  • Resident in Psychiatry: Mount Sinai Beth Israel New York, NY

Completed ACGME-accredited psychiatry residency training program.

  • Resident in Emergency and Primary Care Medicine: Yokosuka General Hospital, Uwamachi, Yokosuka, Japan

Completed the Japanese two-year mandatory postgraduate physician training program in primary care as required by the Japanese government for full licensure.

  • Rotating Intern: United States Naval Hospital, Yokosuka, Japan

Completed rotating internship in an actual American clinical setting. Learned outpatient and inpatient medicine and assisted as a medical liaison between United States Naval Hospital and local Japanese hospitals.

License and Certification

  • Board-Certified in Psychiatry by the American Board of Psychiatry and Neurology
  • New York State Medical License and DEA
  • New Jersey State Medical License and DEA
  • Texas State Medical License and DEA
  • Georgia State Medical License and DEA
  • Japanese Medical License

Professional Membership

  • American Psychiatric Association
  • New York County Medical Society
  • Japanese Medical Society of America
  • JAMSNET(Japanese Medical Support Network) Mental Health Network
  • The Japanese American Association of New York, Committee on Aging Issues


Megumi Omonishi, Ph.D.

Megumi Omonishi, Ph.D.

Licensed Clinical Psychologist *NJ Office Only

  • Kansai University in Osaka, Japan
  • Southern Arkansas University
  • Central Arkansas University – Master in Psychology
  • Georgia State University – Doctor of Psychology
  • Tennessee University Health Science Center – Internship

New York Office

5 West 86th Street, Suite 1A
New York, NY 10024
Tel: 201-809-3508
Fax: 201-331-5975

New Jersey Office

1 Bridge Plaza North, Suite 275,
Fort Lee, NJ 07024-7586
Tel: 201-809-3508
Fax: 201-331-5975
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For Telepsychiatry Services in Texas

Takashi Matsuki MD Texas Clinic

For Telepsychiatry Services in Georgia

Takashi Matsuki MD Georgia Clinic