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

Dr. Marshall Jay Glesby, MD

Individual provider Infectious Disease Physician · NPI 1396891644

Dr. Marshall Jay Glesby, MD is an Infectious Disease in New York, New York. Graduated from Johns Hopkins University School of Medicine in 1989, 37 years ago. Practices with Weill Medical College of Cornell, a 2,031-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Trained at
Johns Hopkins University School of Medicine
Licensed in
NY
In the registry since
2007
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

525 E 68th St Baker 24
New York, NY 10021-4870
Phone: (212) 746-7134
Fax: (212) 746-8852
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 209163 (NY)

Record details

NPI number1396891644
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2007
Last updated in NPPESJuly 6, 2023
Certification dateJuly 6, 2023

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Weill Medical College Of Cornell — 2031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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