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

Hisham Yousif

Individual provider Hospitalist Physician · NPI 1548623648

Hisham Yousif is a Hospitalist in New York, New York. Graduated from Harvard Medical School in 2016, 10 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
10
Trained at
Harvard Medical School
Licensed in
NY
In the registry since
2016
Specialties on file
3
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Practice location Address checks out

1 Gustave L Levy Pl
New York, NY 10029
Phone: (212) 241-1653
Fax: (212) 289-6393
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1800 Orleans St, Baltimore, MD 21287-0010 — (410) 955-7911
  • 1800 Orleans St, Baltimore, MD 21287-0010 — (410) 955-7911

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 298788 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence 298788 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1548623648
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 5, 2016
Last updated in NPPESFebruary 6, 2025
Certification dateFebruary 6, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2016 (10 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients68
Services billed 301 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Icahn School of Medicine at Mount Sinai

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2791 clinicians in the practice; 12 are shown here.

Other providers in New York