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

Dr. Harry Gruenspan, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1649349010

Dr. Harry Gruenspan, MD is an Endocrinology in New York, New York. Graduated from University of Miami, Lm Miller School of Medicine in 1981, 45 years ago. Practices with Maiden Lane Medical PLLC, a 19-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
45
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
NY
In the registry since
2006
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

210 E 86th St Rm 201
New York, NY 10028-3141
Phone: (212) 794-2900
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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 152555 (NY)

Record details

NPI number1649349010
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 7, 2006
Last updated in NPPESJune 21, 2016

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice Maiden Lane Medical Pllc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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