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

Jonathan D Leff, MD

Individual provider Anesthesiology Physician · NPI 1881779270

Jonathan D Leff, MD is an Anesthesiology in Bronx, New York. Qualified in 1999, 27 years ago. Practices with Montefiore Medical Center, a 2,796-clinician group. Licensed in New York.

Years since qualifying
27
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 Partly verified

Some contact details are missing from the federal record.

Mmc - Dept OF Anesthesiology 111 East 210TH Street
Bronx, NY 10467
Phone: (718) 920-4316
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Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 236386 (NY)

Record details

NPI number1881779270
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESJuly 27, 2017

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Montefiore Medical Center — 2796 clinicians
Accepts Medicare assignment Not indicated

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