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

Michael Shannon Hennessey, MD

Individual provider Emergency Medicine Physician · NPI 1497745434

Michael Shannon Hennessey, MD is an Emergency Medicine Physician in Johnson City, 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

33-57 Harrison St
Johnson City, NY 13790-2107
Phone: (607) 763-6412
Fax: (607) 763-5854
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 173230-1 (NY)

Record details

NPI number1497745434
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 21, 2005
Last updated in NPPESNovember 19, 2011

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