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

Dr. Jonathan Scott Mendelson, MD

Individual provider Internal Medicine Physician · NPI 1134418908

Dr. Jonathan Scott Mendelson, MD is a Critical Care (Intensivists) in New York, New York. Graduated from George Washington University School of Medicine in 2011, 15 years ago. Practices with Hartford Healthcare Medical Group Specialists PLLC, a 1,537-clinician group and accepts Medicare assignment. Licensed in Connecticut, Maine and New York.

Years since qualifying
15
Trained at
George Washington University School of Medicine
Licensed in
CT, ME, NY
In the registry since
2011
Specialties on file
6
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
New York, NY 10016-6402
Phone: (212) 263-5506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 63488 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD21404 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence 273595 (NY)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence MD21404 (ME)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 273595 (NY)

Record details

NPI number1134418908
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2011
Last updated in NPPESOctober 7, 2020
Certification dateOctober 7, 2020

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Hartford Healthcare Medical Group Specialists Pllc — 1537 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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