Quick answers
- Does Erin A. Hennigan accept Medicare assignment?
- Yes. Medicare's clinician data says Erin A. Hennigan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Erin A. Hennigan see?
- In 2024, CMS data shows 400 Original Medicare patients and 1,004 services for Erin A. Hennigan. This counts Original Medicare only and measures volume, not quality.
- What is Erin A. Hennigan's NPI number?
- 1790307825. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Erin A. Hennigan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 400 |
|---|---|
| Services billed to Medicare | 1,004 |
| Different services or procedures | 55 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)286 services
- X-ray of chest, 2 views (71046)104 services
- Urinalysis, manual test (81002)91 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)71 services
- Injection of drug or substance under skin or into muscle (96372)58 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure71%
- Arthritis45%
- Anxiety37%
- Diabetes26%
- Depression26%
Practice locations
Addresses where Erin A. Hennigan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Wrentham StBellingham, MA 02019 (508) 318‑4466
- 103 Providence HwyEast Walpole, MA 02032 (781) 255‑0500
- 2 -4 Mercer RdNatick, MA 01760 (508) 318‑4466
Group practices
Medicare enrollment lists Erin A. Hennigan as a member of this group (CMS data updated October 2, 2026).
- Woonsocket Urgent Care PC22 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bellingham
Clinicians with the same Medicare primary specialty in Bellingham, MA — not a recommendation.
Other clinicians in Woonsocket Urgent Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790307825 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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