Joseph Michael Leahy, D.O.
Emergency Medicine Physician · Nashua, NH
Joseph Michael Leahy, D.O. is an emergency medicine physician with a practice address in Nashua, New Hampshire, and NPI 1770671604, issued on Oct 10, 2006. Check the license (New Hampshire 10161, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Michael Leahy
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 10161 NH
Self-reported in NPPES; status is on the state search - Practice location
- 8 Prospect St, Nashua, NH 03060
- Phone
- (603) 577-2500
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20051213000822); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1992
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 351 in New Hampshire → Look up another NPI →
Also registered at 8 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allisa Alpert, DOInternal Medicine Physician1851880447
- Tahani Alturkistani, M.DDiagnostic Radiology Physician1396975496
- Valerie Atkins, MDNeonatal-Perinatal Medicine Physician1073605218
- Brett BakerSurgery Physician1700272333
- Chad Bandosz, PAPhysician Assistant1912635178
Verify Joseph Michael Leahy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 10161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $42.34
2 payments; by number, the most common kind was food and beverage; the largest payer was Siemens Medical Solutions USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern New Hampshire Medical CenterNashua, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Michael Leahy among 351 emergency medicine physician records in New Hampshire
Joseph Michael Leahy, D.O. is one of 351 emergency medicine physician records with a practice address in New Hampshire. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 53% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2011 among the 205 with a school on file
- Record last updated2007 · 62% 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 Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New Hampshire
There are 351 emergency medicine physician records in New Hampshire.
All 351 in New Hampshire → Every provider in Nashua → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joseph Cardeiro, M.D.Nashua, NH 030601659470714
- John Chretien, M.D.Nashua, NH 030601841390556
- Richard Gilston, MDNashua, NH 030601255406088
- Peter Gould, DONashua, NH 030601083789812
- Elizabeth Karagosian, MDNashua, NH 030601912090267
- Robert Koch, M.D.Nashua, NH 030601891885174
- Norman Kossayda, MDNashua, NH 030601215958418
- Brian Lohnes, DONashua, NH 030601386653145
Common questions
What is Joseph Michael Leahy, D.O.'s NPI number?
Joseph Michael Leahy, D.O.'s National Provider Identifier (NPI) is 1770671604, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Michael Leahy, D.O. located?
The NPPES record lists a practice address at 8 Prospect St, Nashua, NH, 03060. Phone: (603) 577-2500. Providers update this record themselves, so call before visiting.
How can I verify Joseph Michael Leahy, D.O.'s license?
NPPES lists New Hampshire license number 10161, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. 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. Medicare files from data.cms.gov. 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.