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

Dr. Prem L Sagar, MD, FACP

Individual provider Internal Medicine Physician · NPI 1144285479

Dr. Prem L Sagar, MD, FACP is an Internal Medicine in Bethpage, New York. Qualified in 1977, 49 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
49
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
FACP — Fellow of the American College of Physicians
An internist admitted as a fellow of the ACP.

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Practice location Address checks out

4250 Hempstead Tpke Ste 17
Bethpage, NY 11714-5711
Phone: (516) 735-5522
Fax: (516) 644-5385
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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 210715 (NY)

Record details

NPI number1144285479
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , FACP
Sole proprietorYes
NPI enumeratedApril 19, 2006
Last updated in NPPESSeptember 14, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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