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

Louis Leff

Individual provider Internal Medicine Physician · NPI 1962505537

Louis Leff is an Internal Medicine in Pittsburgh, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 1985, 41 years ago. Practices with UPMC Community Medicine Inc, a 734-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
41
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2006
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Practice location Address checks out

532 S Aiken Ave Ste 201
Pittsburgh, PA 15232-1521
Phone: (412) 621-5091
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD036723E (PA)

Record details

NPI number1962505537
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 7, 2006
Last updated in NPPESApril 6, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1985 (41 years in practice)
Group practice Upmc Community Medicine Inc — 734 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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