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

Dr. Caroline Korsten Messer, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1386855047

Dr. Caroline Korsten Messer, MD is an Endocrinology in New York, New York. Graduated from Icahn School of Medicine at Mount Sinai in 2005, 21 years ago. Practices as a sole proprietor. Licensed in New York.

Years since qualifying
21
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2007
Specialties on file
2
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

110 E 60th St Rm 802
New York, NY 10022-1795
Phone: (646) 760-3256
Fax: (646) 974-9714
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 242804 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 242804 (NY)

Record details

NPI number1386855047
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 24, 2007
Last updated in NPPESJune 17, 2026
Certification dateJune 17, 2026

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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