Patrick Hennessey, M.D.
NPI 1215146956 · Otolaryngology Physician · East Lansing, MI
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Hennessey, M.D. is a Otolaryngology Physician provider in East Lansing, MI (NPI 1215146956).
Provider details
- NPI number
- 1215146956
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22205 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-05-21
- Last updated
- 2013-12-27
Frequently asked questions
- What is Patrick Hennessey's NPI number?
- Patrick Hennessey's National Provider Identifier (NPI) is 1215146956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Hennessey's specialty?
- Patrick Hennessey is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Hennessey located?
- Patrick Hennessey's practice location on file with NPPES is 1500 Abbot Rd, East Lansing, MI 48823-1222.
- What is Patrick Hennessey's phone number?
- The practice phone number listed in the NPPES registry for Patrick Hennessey is (517) 332-0100.
- Does Patrick Hennessey accept Medicare?
- Patrick Hennessey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Hennessey's NPI active?
- Yes — Patrick Hennessey's NPI (1215146956) is active in the NPPES registry as of the last update on 2013-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.