Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Timothy Koehler Brennan, MD

Individual provider Addiction Medicine (Psychiatry & Neurology) Physician · NPI 1689820474

Timothy Koehler Brennan, MD is a Pediatric Medicine in New York, New York. Graduated from Tulane University School of Medicine in 2008, 18 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 2,791-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
18
Trained at
Tulane University School of Medicine
Licensed in
NY
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 10th Ave Fl 8
New York, NY 10019
Phone: (212) 523-8943
Fax: (212) 523-8057
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084A0401X · Licence 260958 (NY)

Record details

NPI number1689820474
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 12, 2008
Last updated in NPPESJune 19, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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