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

Dr. Karen J Leiser, MD

Individual provider Internal Medicine Physician · NPI 1073689055

Dr. Karen J Leiser, MD is an Internal Medicine in Harrison, New York. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2002, 24 years ago. Practices with White Plains Physician Services PC, a 384-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
24
Trained at
Albert Einstein College of Medicine of Yeshiva University
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 Address checks out

600 Mamaroneck Ave
Harrison, NY 10528-1635
Phone: (914) 723-8100
Fax: (914) 219-1928
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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 232670 (NY)

Record details

NPI number1073689055
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2006
Last updated in NPPESFebruary 10, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2002 (24 years in practice)
Group practice White Plains Physician Services Pc — 384 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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