Quick answers
- Does Kristy M. Cahill accept Medicare assignment?
- Yes. Medicare's clinician data says Kristy M. 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 Kristy M. Cahill see?
- In 2024, CMS data shows 283 Original Medicare patients and 1,165 services for Kristy M. Cahill. This counts Original Medicare only and measures volume, not quality.
- What is Kristy M. Cahill's NPI number?
- 1528228608. 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 Kristy M. 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 | 283 |
|---|---|
| Services billed to Medicare | 1,165 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)270 services
- Insertion of needle into vein for collection of blood sample (36415)244 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)122 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)75 services
- Annual depression screening, 5 to 15 minutes (G0444)56 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 cholesterol73%
- High blood pressure66%
- Arthritis41%
- Chronic kidney disease29%
- Anxiety28%
- Diabetes22%
Hospitals where Kristy M. Cahill works
Medicare's Facility Affiliation Data lists Kristy M. 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.
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Kristy M. Cahill is enrolled with Medicare (CMS data updated October 2, 2026).
- 1350 Market StLynnfield, MA 01940 (781) 213‑4050
- 15 Railroad AveSouth Hamilton, MA 01982 (978) 468‑7381
- 41 Mall RdBurlington, MA 01805 (781) 744‑8000
Group practices
Medicare enrollment lists Kristy M. Cahill as a member of this group (CMS data updated October 2, 2026).
- Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lynnfield
Clinicians with the same Medicare primary specialty in Lynnfield, MA — not a recommendation.
Other clinicians in Beth Israel Lahey Health Primary Care, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | University Of Massachusetts Medical School |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528228608 |
| 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