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

Dr. Mark Lewis Graber, MD

Individual provider Nephrology Physician · NPI 1568437218

Dr. Mark Lewis Graber, MD is a Nephrology Physician in Northport, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Middleville Road VA Medical Center - Medical Service - 111
Northport, NY 11768
Phone: (631) 261-4400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 147814 (NY)

Record details

NPI number1568437218
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESJuly 12, 2007
Mailing address79 Middleville Rd, Va Medical Center, Northport, NY 11768

Other providers in Northport