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

Mr. Gary M Hahn, MD

Individual provider Dermatology Physician · NPI 1336122985

Mr. Gary M Hahn, MD is a Dermatology Physician in Commack, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2005
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

283 Commack Rd Ste 115
Commack, NY 11725-3400
Phone: (631) 462-2300
Fax: (631) 462-0159
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 142516 (NY)

Record details

NPI number1336122985
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 28, 2005
Last updated in NPPESAugust 30, 2013
Mailing address283 Commack Road, Suite 115, Commack, NY 11725-3400

Other providers in Commack