Provider Demographics
NPI:1689693327
Name:LEFF, JOHN (MD)
Entity Type:Individual
Prefix:DR
First Name:JOHN
Middle Name:
Last Name:LEFF
Suffix:
Gender:M
Credentials:MD
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Mailing Address - Street 1:150 55TH ST
Mailing Address - Street 2:STATION 14
Mailing Address - City:BROOKLYN
Mailing Address - State:NY
Mailing Address - Zip Code:11220-2508
Mailing Address - Country:US
Mailing Address - Phone:718-630-7369
Mailing Address - Fax:718-630-6286
Practice Address - Street 1:LUTHERAN MEDICAL CENTER
Practice Address - Street 2:150 55TH ST
Practice Address - City:BROOKLYN
Practice Address - State:NY
Practice Address - Zip Code:11220
Practice Address - Country:US
Practice Address - Phone:718-630-7369
Practice Address - Fax:718-630-6286
Is Sole Proprietor?:No
Enumeration Date:2006-07-19
Last Update Date:2012-01-17
Deactivation Date:
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Provider Licenses
StateLicense IDTaxonomies
NY143472207RE0101X
Provider Taxonomies
Primary?CodeTypeClassificationSpecialization
Yes207RE0101XAllopathic & Osteopathic PhysiciansInternal MedicineEndocrinology, Diabetes & Metabolism
Provider Identifiers
StateIdentifier IDID TypeIssuer
NYCO4500Medicare UPIN