Quick answers
- Which hospitals does Melissa Oneill work at?
- Medicare's official clinician data lists Melissa Oneill at 5 hospitals: Hartford Hospital, Mary Hitchcock Memorial Hospital, New London Hospital, William W Backus Hospital and Windham Community Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Melissa Oneill see patients?
- Medicare's clinician data lists 1 practice location in Lebanon, NH. Call before your visit to confirm the address.
- What is Melissa Oneill's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Melissa Oneill accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa Oneill 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.
- Does Melissa Oneill offer telehealth?
- Medicare's clinician data says Melissa Oneill offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Melissa Oneill?
- (603) 650-5000, as listed in official Medicare / NPI Registry data.
- What is Melissa Oneill's NPI number?
- 1235236969. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa Oneill works
Medicare's Facility Affiliation Data lists Melissa Oneill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hartford HospitalHartford, CT · Acute Care Hospital · CCN 070025
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · CCN 300003
- New London HospitalNew London, NH · Critical Access Hospital · CCN 301304
- William W Backus HospitalNorwich, CT · Acute Care Hospital · CCN 070024
- Windham Community Memorial HospitalWillimantic, CT · Acute Care Hospital · CCN 070021
Practice locations
Addresses where Melissa Oneill is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Medical Ctr DrLebanon, NH 03756 (603) 650‑5000
Group practices
Medicare enrollment lists Melissa Oneill as a member of this group (CMS data updated 2026-10-02).
- Mary Hitchcock Memorial Hospital1,280 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lebanon
Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.
Clinician information
| Graduation year | 1993 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235236969 |
| 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