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

Theresa Joyce Halloran

Individual provider Family Nurse Practitioner · NPI 1750830642

Theresa Joyce Halloran is a Nurse Practitioner in New York, New York. Qualified in 2015, 11 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
11
Licensed in
NY
In the registry since
2016
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Practice location Address checks out

1190 5th Ave
New York, NY 10029-6503
Phone: (212) 427-1540
Fax: (212) 410-7196
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1 Gustave L Levy Pl, New York, NY 10029-6504 — (212) 427-5140
  • 381 Cottekill Rd, Stone Ridge, NY 12484-5103 — (845) 594-1639

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F339720-1 (NY)

Record details

NPI number1750830642
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 3, 2016
Last updated in NPPESMay 30, 2025
Certification dateMay 30, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 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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