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

Dr. George Isaac Mallis, MD

Individual provider Internal Medicine Physician · NPI 1366476475

Dr. George Isaac Mallis, MD is an Internal Medicine Physician in Northport, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
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

79 Middleville Rd
Northport, NY 11768-2200
Phone: (631) 266-6047
Fax: (631) 754-7968
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 97266 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 97266 (NY)

Record details

NPI number1366476475
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESFebruary 4, 2022
Certification dateFebruary 4, 2022

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