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

Dr. Leonard Stern, MD

Individual provider Nephrology Physician · NPI 1124190228

Dr. Leonard Stern, MD is a Nephrology Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

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

903 Park Ave Fl 1
New York, NY 10075-0362
Phone: (212) 249-8535
Fax: (877) 526-2985
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 129163 (NY)

Record details

NPI number1124190228
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 14, 2006
Last updated in NPPESMarch 24, 2025
Certification dateMarch 24, 2025

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