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

Dr. Rex Robert Hermansen, MD

Individual provider Hospitalist Physician · NPI 1639532039

Dr. Rex Robert Hermansen, MD is a Hospitalist in New York, New York. Graduated from University of Texas Medical School at San Antonio 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
University of Texas Medical School at San Antonio
Licensed in
NY
In the registry since
2016
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

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)

  • 622 W 168th St, New York, NY 10032-3720 — (212) 305-6262
  • 622 W 168th St, New York, NY 10032-3720 — (212) 305-6262

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 296964 (NY)

Record details

NPI number1639532039
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 1, 2016
Last updated in NPPESMarch 21, 2019

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
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

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