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

Timothy Bernard Sullivan, MD

Individual provider Psychiatry Physician · NPI 1285775932

Timothy Bernard Sullivan, MD practises Psychiatry in New York, New York. Graduated from Geisel School of Medicine at Dartmouth in 1977, 49 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
49
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
CT, NY
In the registry since
2007
Specialties on file
2
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

251 Central Park W Apt 1A
New York, NY 10024-4111
Phone: (914) 413-1957
Fax: (718) 226-8144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 135140 (NY)
Psychiatry Physician Taxonomy 2084P0800X · Licence 84989 (CT)

Record details

NPI number1285775932
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 8, 2007
Last updated in NPPESJune 30, 2026
Certification dateJune 30, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1977 (49 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Phelps Hospital Hospital · Sleepy Hollow, NY · listed as Phelps Memorial Hospital

Colleagues at North Shore-Lij Medical PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 6350 clinicians in the practice; 12 are shown here.

Other providers in New York