Summary

Dr. Rex Hermansen specializes in internal medicine with a focused expertise in hospital medicine, bringing a decade of experience to patient care. He earned his medical degree from the University of Texas Health Science Center at San Antonio Joe R. and Teresa Lozano Long School of Medicine and completed his residency training at NewYork-Presbyterian Columbia University Medical Center. His comprehensive training in internal medicine provides him with the knowledge to manage complex medical conditions in hospitalized patients.

Dr. Hermansen practices at several prestigious Mount Sinai locations throughout New York, including The Mount Sinai Hospital, Mount Sinai Morningside, and Mount Sinai Kravis Children's Hospital. He has particular expertise in treating breathing difficulties and managing electrolyte imbalances that can affect how the body functions. His procedural skills include performing chest imaging studies and specialized heart ultrasounds to help diagnose and monitor various conditions.
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Quick Facts

  • 10 years of experience
  • Nyp Columbia University Medical Center
  • 2 specialties
  • 2 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Rex Robert Hermansen has 4 locations

Mount Sinai Faculty Practice Associates World Trade Center Treatment And Monitor

1468 Madison AveNew York, NY 10029
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

The Mount Sinai Hospital

1468 Madison AveNew York, NY 10029

Mount Sinai Morningside

1111 Amsterdam AveNew York, NY 10025

The Mount Sinai Hospital

1 Gustave L Levy PlNew York, NY 10029

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Dr. Rex Robert Hermansen, MDDr. Monica Altman, MDGwendolyn Lee Beetle, NPDr. Anna Kozlovskaya, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
4.8 
4.9 
3.9 
10 Years of Experience 25 Years of Experience 41 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks Russian
New York , NYBoca Raton , FLNew York , NYBrooklyn , NY
Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med Med School: Pont Cath Univ Ecuador Med School: Russian National Research Medical University Named After N I Pirogov
Current Profile
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Insurance Plans Accepted by Dr. Rex Robert Hermansen

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Rex Robert Hermansen has the following 2 specialties

Specialty Expertise

Dr. Rex Robert Hermansen has the following 2 areas of expertise

  • Hospital Medicine
  • Hospitalist

Certifications, License, & Education

10 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Residency

Nyp Columbia University Medical Center

Medical School

Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof MedGraduated in 2016

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Frequently Asked Questions

Is Dr. Rex Hermansen accepting new patients?
Dr. Rex Hermansen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Rex Hermansen?
You can find contact information for Dr. Rex Hermansen here on Vitals.
Does Dr. Rex Hermansen accept my insurance?
You can see the insurance plans that Dr. Rex Hermansen accepts on their Vitals profile.
Does Dr. Rex Hermansen accept virtual/telehealth appointments?
Dr. Rex Hermansen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Rex Hermansen affiliated with?
Dr. Rex Hermansen is affiliated with The Mount Sinai Hospital, Mount Sinai Morningside, and Mount Sinai Kravis Childrens Hospital.

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