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

Dr. Leora Idit Horwitz, MD, MHS

Individual provider Internal Medicine Physician · NPI 1841334810

Dr. Leora Idit Horwitz, MD, MHS is a Hospitalist in New York, New York. Graduated from Harvard Medical School in 2000, 26 years ago. Practices with New York University, a 5,884-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
26
Trained at
Harvard Medical School
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

550 1st Ave Trb Rm 607
New York, NY 10016-6402
Phone: (646) 501-2685
Fax: (646) 501-2706
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 221998 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 042642 (CT)

Record details

NPI number1841334810
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MHS
Sole proprietorNo
NPI enumeratedFebruary 16, 2007
Last updated in NPPESOctober 9, 2014

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2000 (26 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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