Quick answers
- Which hospitals does Cathy O Donnell work at?
- Medicare's official clinician data lists Cathy O Donnell at 5 hospitals: Catholic Medical Center, Elliot Hospital, Lahey Hospital & Medical Center, Burlington, Southern NH Medical Center and St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cathy O Donnell see patients?
- Medicare's clinician data lists 2 practice locations, including Nashua, NH and Merrimack, NH. Call before your visit to confirm the address.
- What is Cathy O Donnell's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Cathy O Donnell accept Medicare assignment?
- Yes. Medicare's clinician data says Cathy O Donnell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Cathy O Donnell?
- (603) 424-4181, as listed in official Medicare / NPI Registry data.
- What is Cathy O Donnell's NPI number?
- 1740242908. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cathy O Donnell works
Medicare's Facility Affiliation Data lists Cathy O Donnell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Catholic Medical CenterManchester, NH · Acute Care Hospital · CCN 300034
- Elliot HospitalManchester, NH · Acute Care Hospital · CCN 300012
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · CCN 220171
- Southern NH Medical CenterNashua, NH · Acute Care Hospital · CCN 300020
- St Joseph HospitalNashua, NH · Acute Care Hospital · CCN 300011
Practice locations
Addresses where Cathy O Donnell is enrolled with Medicare (CMS data updated 2026-10-02).
- 172 Kinsley StNashua, NH 03060
- 4 Dobson WayMerrimack, NH 03054 (603) 424‑4181
Group practices
Medicare enrollment lists Cathy O Donnell as a member of this group (CMS data updated 2026-10-02).
- St. Joseph Hospital of Nashua NH273 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Nashua
Clinicians with the same Medicare primary specialty in Nashua, NH — not a recommendation.
Clinician information
| Graduation year | 2003 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740242908 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians