Quick answers
- Where does Ann C. Halloin see patients?
- Medicare's clinician data lists 2 practice locations, including Hanover, MA and Danvers, MA. Call before your visit to confirm the address.
- What is Ann C. Halloin's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Ann C. Halloin accept Medicare assignment?
- Yes. Medicare's clinician data says Ann C. Halloin 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 Ann C. Halloin?
- (866) 389-2727, as listed in official Medicare / NPI Registry data.
- What is Ann C. Halloin's NPI number?
- 1396882858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ann C. Halloin is enrolled with Medicare (CMS data updated 2026-10-02).
- 207 Rockland StHanover, MA 02339 (866) 389‑2727
- 311 Newbury StDanvers, MA 01923 (866) 389‑2727
Group practices
Medicare enrollment lists Ann C. Halloin as a member of this group (CMS data updated 2026-10-02).
- Minuteclinic Diagnostic of Massachusetts, LLC110 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Hanover
Clinicians with the same Medicare primary specialty in Hanover, MA — not a recommendation.
Clinician information
| Graduation year | 1998 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396882858 |
| 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
- 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