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

Justin Timothy Gasper

Individual provider Internal Medicine Physician · NPI 1366946063

Justin Timothy Gasper is an Internal Medicine in New York, New York. Graduated from University of Washington School of Medicine in 2018, 8 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 2,791-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
8
Trained at
University of Washington School of Medicine
Licensed in
NY
In the registry since
2018
Specialties on file
2
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Practice location Address checks out

10 Union Sq E
New York, NY 10003-3314
Phone: (212) 844-8100
Fax: (212) 844-8152
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • First Avenue At 16th Street, New York, NY 10003 — (212) 844-8100
  • 1344 13th Ave S, Seattle, WA 98144-3406 — (509) 859-3603

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 312943 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1366946063
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 19, 2018
Last updated in NPPESApril 20, 2022
Certification dateApril 6, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2018 (8 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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