Quick answers
- Does Teresa Cahill accept Medicare assignment?
- Yes. Medicare's clinician data says Teresa Cahill 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 Teresa Cahill see?
- In 2024, CMS data shows 1,135 Original Medicare patients and 2,413 services for Teresa Cahill. This counts Original Medicare only and measures volume, not quality.
- What is Teresa Cahill's NPI number?
- 1417935214. 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 Teresa Cahill, 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 | 1,135 |
|---|---|
| Services billed to Medicare | 2,413 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Screening 3d breast mammography (77063)881 services
- Screening mammography (77067)881 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)171 services
- Limited ultrasound scan of 1 breast (76642)137 services
- Diagnostic mammography of 1 breast (77065)137 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 cholesterol72%
- High blood pressure57%
- Arthritis45%
- Osteoporosis30%
- Anxiety28%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)25%
Hospitals where Teresa Cahill works
Medicare's Facility Affiliation Data lists Teresa Cahill 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
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
- Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220101
Practice locations
Addresses where Teresa Cahill is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Hutchinson DrDanvers, MA 01923 (978) 354‑4181
- 15 Corporate Park DrPembroke, MA 02359 (781) 826‑8065
- 170 Governors AveMedford, MA 02155 (781) 395‑4909
- 2014 Washington StNewton, MA 02462 (617) 243‑6000
- 480 Lynnfield StLynn, MA 01904
Group practices
Medicare enrollment lists Teresa Cahill as a member of these groups (CMS data updated October 2, 2026).
- Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
- Mass General Brigham Community Physicians Inc428 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Danvers
Clinicians with the same Medicare primary specialty in Danvers, MA — not a recommendation.
Other clinicians in Mass General Brigham Medical Group Suburban Massachusetts Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417935214 |
| 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