Quick answers
- Where does Ellen B. Brennan see patients?
- Medicare's clinician data lists 8 practice locations, including North Andover, MA, Lillington, NC and Salisbury, NC. Call before your visit to confirm the address.
- What is Ellen B. Brennan's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Ellen B. Brennan accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen B. Brennan 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 Ellen B. Brennan offer telehealth?
- Medicare's clinician data says Ellen B. Brennan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ellen B. Brennan?
- (978) 688-1212, as listed in official Medicare / NPI Registry data.
- What is Ellen B. Brennan's NPI number?
- 1821729039. 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 Ellen B. Brennan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1801 Turnpike StNorth Andover, MA 01845 (978) 688‑1212
- 1995 E Cornelius Harnett BlvdLillington, NC 27546 (910) 893‑5141
- 215 Lash DrSalisbury, NC 28147 (704) 637‑1182
- 26 Harvard StWorcester, MA 01609 (508) 754‑8877
- 515 Lake Concord Rd NEConcord, NC 28025 (704) 784‑4494
Group practices
Medicare enrollment lists Ellen B. Brennan as a member of these groups (CMS data updated 2026-10-02).
- Post Acute Specialists LLC187 clinicians in the group
- Post Acute Specialists of Massachusetts PLLC52 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in North Andover
Clinicians with the same Medicare primary specialty in North Andover, MA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821729039 |
| 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