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

Leonard B. Stein, MD

Individual provider Internal Medicine Physician · NPI 1700990272

Leonard B. Stein, MD is a Gastroenterology in Garden City, New York. Qualified in 1986, 40 years ago. Practices with Medical Services of Uniondale PC, an 11-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
40
Licensed in
NY
In the registry since
2006
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

1103 Stewart Ave
Garden City, NY 11530-4886
Phone: (516) 248-3737
Fax: (516) 248-7304
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 171775 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 171775 (NY)

Record details

NPI number1700990272
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 19, 2006
Last updated in NPPESJuly 18, 2012

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Medical Services Of Uniondale Pc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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