Dr. Joseph Michael Leahy, DO
- Medicare services, 2023
- 14
- Medicare patients, 2024
- 14
- Hospital affiliations
- 1
- Industry payments
- $206
- Medical group
- 1
- Practice address
- 8 Prospect Street, Nashua, NH 03060
- Practice phone
- Call (603) 577-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leahy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Joseph Michael Leahy is an emergency medicine physician in Nashua, New Hampshire
Dr. Leahy practices at Southern New Hampshire Medical Center in Nashua, New Hampshire, part of SolutionHealth.
Dr. Leahy's NPI, 1770671604, was assigned on October 10, 2006. Dr. Leahy graduated from University of New England, College of Osteo Medicine in 1992. Dr. Leahy holds New Hampshire license 10161.
- NPI
- 1770671604NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991726309
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 577-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Michael Leahy practices at Southern New Hampshire Medical Center in Nashua, New Hampshire
Dr. Leahy's primary practice is Southern New Hampshire Medical Center, at 8 Prospect Street, Nashua, NH 03060 in Hillsborough County. The practice phone is (603) 577-2000.
- Southern New Hampshire Medical Center8 Prospect Street, Nashua, NH 03060 · Hillsborough CountyPhone(603) 577-2000
Source: Dmand AI Affiliation Data
Dr. Joseph Michael Leahy is affiliated with 1 site of care and 1 medical group
Dr. Leahy's primary practice is Southern New Hampshire Medical Center in Nashua, New Hampshire, part of SolutionHealth. The medical group on file is Southern New Hampshire Health. Dr. Leahy's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Michael Leahy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leahy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern New Hampshire Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Joseph Michael Leahy is one of 298 emergency medicine physicians in New Hampshire
Emergency medicine is Dr. Leahy's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Leahy is licensed in New Hampshire.
Specialties and state licenses
- Emergency medicine, New HampshirePrimary
Emergency medicine physicians near Dr. Leahy
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Joseph Michael Leahy billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Leahy across 1 procedure code in 2023, for 14 Medicare patients. Medicare paid $1,915 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leahy's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1162023: 1488%
Dr. Leahy compared with the New Hampshire median for emergency medicine physicians, 2023
- Dr. Leahy
- New Hampshire median
- Medicare services
- 14vs 23994% below
- Medicare patients
- 14vs 26695% below
Medians across 328 emergency medicine physicians in New Hampshire with Dmand AI profiles that report each measure.
Dr. Leahy's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Leahy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leahy and other emergency medicine physicians in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Michael Leahy treated 14 Medicare patients in 2024, average age 74
CMS counts 14 Medicare patients who saw Dr. Leahy in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Leahy's median patient age at 39, with 52% women.
Chronic conditions among Dr. Leahy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leahy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Joseph Michael Leahy takes part in Medicare
Dr. Leahy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joseph Michael Leahy received $206 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Leahy from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Bristol-Myers Squibb Company paid the most, $56.
General payments to Dr. Leahy by program year, 2016 to 2025
General payments to Dr. Leahy by kind, 2016 to 2025
- Food and beverage$18690%
- Education$2010%
Companies that paid Dr. Leahy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Michael Leahy graduated from University of New England, College of Osteo Medicine
Dr. Leahy graduated from University of New England, College of Osteo Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Michael Leahy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Joseph Michael Leahy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joseph Michael Leahy's NPI number?
Dr. Joseph Michael Leahy's NPI number is 1770671604. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Michael Leahy?
Dr. Joseph Michael Leahy is an emergency medicine physician in Nashua, New Hampshire. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joseph Michael Leahy practice?
Dr. Leahy practices at 8 Prospect Street, Nashua, NH 03060. Dr. Leahy's primary practice is Southern New Hampshire Medical Center in Nashua, New Hampshire, part of SolutionHealth.
What is Dr. Joseph Michael Leahy's office phone number?
The practice phone on file for Dr. Leahy is (603) 577-2000.
What is Dr. Joseph Michael Leahy's medical license number?
Dr. Leahy holds New Hampshire license 10161.
Which hospitals is Dr. Joseph Michael Leahy affiliated with?
Dr. Leahy practices at Southern New Hampshire Medical Center in Nashua, New Hampshire.
What medical group is Dr. Joseph Michael Leahy part of?
Dr. Leahy is linked to Southern New Hampshire Health.
Does Dr. Joseph Michael Leahy accept Medicare?
Yes. CMS data shows Dr. Leahy billed Medicare for 14 services in 2023, and Dr. Leahy accepts Medicare assignment.
How many Medicare patients does Dr. Joseph Michael Leahy see?
CMS counts 14 Medicare patients who saw Dr. Leahy in 2024, with an average age of 74.
What services does Dr. Joseph Michael Leahy bill to Medicare?
In 2023, Dr. Leahy's most billed Medicare services were emergency department visit (99285).
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Where did Dr. Joseph Michael Leahy go to medical school?
Dr. Leahy graduated from University of New England, College of Osteo Medicine in 1992.
Has Dr. Joseph Michael Leahy received payments from drug or device companies?
CMS Open Payments shows $206 in general payments to Dr. Leahy from 6 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Joseph Michael Leahy been practicing?
Dr. Leahy graduated from medical school in 1992, 34 years ago.
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