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

Jillian Ashley Leibowitz, DO

Individual provider Emergency Medicine Physician · NPI 1225787476

Jillian Ashley Leibowitz, DO is an Emergency Medicine in Stony Brook, New York. Qualified in 2022, 4 years ago. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2022
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

101 Nicolls Rd Rm 50
Stony Brook, NY 11794-0001
Phone: (631) 444-3880
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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 335124 (NY)

Record details

NPI number1225787476
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 23, 2022
Last updated in NPPESJune 24, 2025
Certification dateJune 24, 2025
Mailing address101 Nicolls Rd Rm 50, Stony Brook, NY 11794-0001

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated

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