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

Dr. Louis R Heisler, MD

Individual provider Internal Medicine Physician · NPI 1659368314

Dr. Louis R Heisler, MD is an Internal Medicine Physician in Lake Success, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
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 Address checks out

910 Lakeville Rd
Lake Success, NY 11040-3008
Phone: (516) 488-5050
Fax: (516) 326-6252
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence GO120352 (NY)

Record details

NPI number1659368314
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 28, 2005
Last updated in NPPESDecember 18, 2009

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