- Mount Sinai Doctors
- Treats Children
Timothy K Brennan, MD, MPH
Pediatrics, Addiction Medicine, Psychiatry
About Me
Dr. Brennan is the Chief of Clinical Services for the Addiction Institute of Mount Sinai and oversees addiction services across all campuses of the Mount Sinai Health System. He is also the Director of the Fellowship in Addiction Medicine Program at the Icahn School of Medicine at Mount Sinai. Dr. Brennan completed his Fellowship in Addiction Medicine at The Addiction Institute, a Fellowship in Medical Ethics at Harvard Medical School, a Residency in Pediatrics at New York Presbyterian Hospital / Weill Cornell Medical College and internship in Internal Medicine at Georgetown University Hospital. He received a BS in Foreign Service from Georgetown University, and a combined MD/MPH from Tulane University School of Medicine and School of Public Health and Tropical Medicine. Dr. Brennan is Board Certified in Pediatrics by the American Board of Pediatrics and Board Certified in Addiction Medicine by the American Board of Preventive Medicine.
Dr. Brennan has spoken at a variety of state and national levels about addiction policy issues, particularly as related to addiction education and addiction in young adults. He is the co-editor of Lippincott's "Essentials of Addiction Medicine", and was appointed by Governor Cuomo to serve on the Medical Review Board at the New York State Justice Center. Dr. Brennan is the Vice President for Medical and Academic Affairs at the American College of Academic Addiction Medicine and on the Board of Directors for the National Association for Children of Addiction.
Dr. Brennan has specific interest and expertise in addiction education for physicians, addiction pharmacotherapy, and national drug policy.
A frequent contributor in the media regarding addiction issues, Dr. Brennan has been featured in the New York Times, the Wall Street Journal, the PBS NewsHour, CBS News, Good Morning America, and NPR.
Language
English
Position
ASSOCIATE PROFESSOR | Psychiatry
Hospital Affiliations
- Mount Sinai Beth Israel
- Mount Sinai Morningside
- Mount Sinai Brooklyn
- Mount Sinai Queens
- The Mount Sinai Hospital
- Mount Sinai West
Clinical Focus
- Alcohol Abuse And Alcoholism
- Drug Abuse And Drug Addiction
- Drug Withdrawal
- Opioid Abuse
Education
MD, Tulane University School of Medicine
Internship, Internal Medicine
MedStar Georgetown University Hospital
Residency, Pediatrics
New York Presbyterian Hospital-Weill Cornell Center
Fellowship, Addiction Medicine
Mount Sinai Doctors
Certifications
American Board of Pediatrics
Awards
2014
Won NIDA-sponsored Travel Award to give 3 presentations: “Opioid Addiction in Adolescents” “Ethics of Addiction Medicine” “Severe, Delayed Gamma Hydroxybutyric Avid Induced Pyschosis and Amnesia”
International Society of Addiction Medicine – Yokohama, Japan
2012
Excellence in Pediatric Medical Education Award
Weill Cornell Medical College
2012
Employee of the Month Award
New York Presbyterian Hospital
Research
Insurance Information
Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information.
- 1199 SEIU
- AETNA - Commercial
- AETNA - Medicare
- CIGNA Healthcare
- Centivo
- Elderplan
- Empire Blue Cross Blue Shield - Commercial/Exchange
- Empire Blue Cross Blue Shield - HealthPlus Medicaid
- Empire Blue Cross Blue Shield - Medicare
- Fidelis Health Care
- HealthFirst Medicaid
- HealthFirst Medicare
- Horizon NJ
- Magnacare-Health Care
- Medicare - NJ
- Medicare - NY
- Metroplus
- Multiplan PHCS
- NJ Medicaid
- NY Medicaid
- Oscar
- Partners Health Plan
- United Health Care - Top Tier
- VNSNY Choice Medicare
- VNSNY Select Health Medicaid
- WellCare Health Plan
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Publications
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Below are financial relationships with industry reported by Dr. Brennan during 2024 and/or 2025. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
Board Service
- National Association for Children of Addiction
Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership
- New York State Justice Center Medical Review Board
- American College of Academic Addiction Medicine
Outside Employment
- Weill (Joan And Sanford I.) Medical College Of Cornell University
Mount Sinai’s faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.