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

Thomas Sullivan, MD

Individual provider Emergency Medicine Physician · NPI 1649890567

Thomas Sullivan, MD is an Emergency Medicine in New York, New York. Graduated from Rutgers New Jersey Medical School in 2020, 6 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
6
Trained at
Rutgers New Jersey Medical School
Licensed in
NY
In the registry since
2020
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

550 1st Ave
New York, NY 10016-6402
Phone: (212) 263-5506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 1103521092 (NY)

Record details

NPI number1649890567
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2020
Last updated in NPPESOctober 25, 2023
Certification dateOctober 25, 2023

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 2020 (6 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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