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

Hennessey Dermatology LLC

Organization Specialist · NPI 1790818623

Hennessey Dermatology LLC provides Specialist services in New York, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

161 Madison Ave Rm 6SE
New York, NY 10016-5454
Phone: (212) 677-5555
Fax: (212) 677-5558
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 133471 (NY)

Record details

NPI number1790818623
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official N Patrick Hennessey — Physician · (212) 677-5555
NPI enumeratedMarch 13, 2007
Last updated in NPPESSeptember 9, 2021
Certification dateSeptember 9, 2021
Mailing address161 Madison Ave Rm 6se, New York, NY 10016-5454

Other providers in New York