Quick answers
- Does Margaret W. Cavanaugh-Hussey accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret W. Cavanaugh-Hussey 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 Margaret W. Cavanaugh-Hussey see?
- In 2024, CMS data shows 597 Original Medicare patients and 2,409 services for Margaret W. Cavanaugh-Hussey. This counts Original Medicare only and measures volume, not quality.
- What is Margaret W. Cavanaugh-Hussey's NPI number?
- 1558597039. 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 Margaret W. Cavanaugh-Hussey, 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 | 597 |
|---|---|
| Services billed to Medicare | 2,409 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,035 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)452 services
- Destruction of precancer skin growth, 1 growth (17000)341 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)259 services
- Destruction of skin growth, 1-14 growths (17110)103 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 cholesterol75%
- High blood pressure66%
- Arthritis44%
- Osteoporosis24%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)23%
- Ischemic heart disease21%
Hospitals where Margaret W. Cavanaugh-Hussey works
Medicare's Facility Affiliation Data lists Margaret W. Cavanaugh-Hussey at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
Practice locations
Addresses where Margaret W. Cavanaugh-Hussey is enrolled with Medicare (CMS data updated October 2, 2026).
- 112 Southampton StBoston, MA 02118 (617) 534‑2881
- 221 Longwood AveBoston, MA 02115 (617) 732‑5500
- 363 Albany StBoston, MA 02118 (857) 654‑1865
- 444 Harrison AveBoston, MA 02118 (857) 654‑1850
- 780 Albany StBoston, MA 02118
Group practices
Medicare enrollment lists Margaret W. Cavanaugh-Hussey as a member of these groups (CMS data updated October 2, 2026).
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- Boston Health Care for the Homeless Program, Inc.72 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Brigham and Womens Physicians Organization Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558597039 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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