Michael Hennessey, MD
NPI 1497745434 · Emergency Medicine Physician · Johnson City, NY
Michael Hennessey, MD is a Emergency Medicine Physician provider in Johnson City, NY (NPI 1497745434).
Provider details
- NPI number
- 1497745434
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 173230-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-21
- Last updated
- 2011-11-19
Frequently asked questions
- What is Michael Hennessey's NPI number?
- Michael Hennessey's National Provider Identifier (NPI) is 1497745434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hennessey's specialty?
- Michael Hennessey is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hennessey located?
- Michael Hennessey's practice location on file with NPPES is 33-57 Harrison St, Johnson City, NY 13790-2107.
- What is Michael Hennessey's phone number?
- The practice phone number listed in the NPPES registry for Michael Hennessey is (607) 763-6412.
- Is Michael Hennessey's NPI active?
- Yes — Michael Hennessey's NPI (1497745434) is active in the NPPES registry as of the last update on 2011-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.