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

Individual provider Internal Medicine Physician · NPI 1558341735

Dr. Stuart P Leitner, MD is a Hematology/Oncology in Livingston, New Jersey. Graduated from Icahn School of Medicine at Mount Sinai in 1973, 53 years ago. Practices with Barnabas Health Medical Group PC, a 1,025-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
53
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NJ
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

94 Old Short Hills Rd
Livingston, NJ 07039-5672
Phone: (973) 322-5200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 25MA04624400 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25MA04624400 (NJ)

Record details

NPI number1558341735
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 23, 2006
Last updated in NPPESMay 2, 2024
Certification dateMay 2, 2024

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1973 (53 years in practice)
Group practice Barnabas Health Medical Group Pc — 1025 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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