Michael Shannon Hennessey, MD
Emergency Medicine Physician · Johnson City, NY
Michael Shannon Hennessey, MD is an emergency medicine physician with a practice address in Johnson City, New York, and NPI 1497745434, issued on Oct 21, 2005. Check the license (New York 173230-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Shannon Hennessey
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 173230-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 33-57 Harrison St, Johnson City, NY 13790
- Phone
- (607) 763-6412
- Enumerated
- Oct 21, 2005
- Record last updated
- Nov 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (607) 763-5854
- Medicaid ID
- 02369226 NY
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 33-57 Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Shannon Hennessey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 173230-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Shannon Hennessey among 5,025 emergency medicine physician records in New York
Michael Shannon Hennessey, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileNo · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 emergency medicine physician records list a practice address in Johnson City
They are 29 of the 949 NPPES records with a practice address in Johnson City, and 5,025 emergency medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,025 in New York → Every provider in Johnson City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- James Dellavalle, MDJohnson City, NY 137901861489031
- Dina Farrell, MDJohnson City, NY 137901841268166
- Mitchell Feldman, MDJohnson City, NY 137901770570947
- Stephen Gomez, MDJohnson City, NY 137901528055183
- Irais Leon, MDJohnson City, NY 137901528059219
- Liliana Lofaso, MDJohnson City, NY 137901780677864
- Maysoon Naman, MDJohnson City, NY 137901851387104
- Safa Naman, MDJohnson City, NY 137901952398513
Common questions
What is Michael Shannon Hennessey, MD's NPI number?
Michael Shannon Hennessey, MD's National Provider Identifier (NPI) is 1497745434, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Shannon Hennessey, MD located?
The NPPES record lists a practice address at 33-57 Harrison St, Johnson City, NY, 13790. Phone: (607) 763-6412. Providers update this record themselves, so call before visiting.
How can I verify Michael Shannon Hennessey, MD's license?
NPPES lists New York license number 173230-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.