Quick answers
- Does Dianne Lavoie accept Medicare assignment?
- Yes. Medicare's clinician data says Dianne Lavoie 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 Dianne Lavoie see?
- In 2024, CMS data shows 139 Original Medicare patients and 420 services for Dianne Lavoie. This counts Original Medicare only and measures volume, not quality.
- What is Dianne Lavoie's NPI number?
- 1134469604. 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 Dianne Lavoie, 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 | 139 |
|---|---|
| Services billed to Medicare | 420 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent 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)147 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)117 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)38 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)11 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 blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes41%
- Anxiety40%
- Chronic kidney disease29%
Hospitals where Dianne Lavoie works
Medicare's Facility Affiliation Data lists Dianne Lavoie 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.
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220077
- Baystate Noble HospitalWestfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220065
- Holyoke Medical CenterHolyoke, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220024
Practice locations
Addresses where Dianne Lavoie is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 10 Hospital DrHolyoke, MA 01040
- 11 Hospital Dr, Fl 3Holyoke, MA 01040 (413) 535‑4757
- 140 Southampton RdWestfield, MA 01085 (413) 533‑2452
- 5 Hospital DrHolyoke, MA 01040 (413) 534‑2582
- 575 Beech StHolyoke, MA 01040 (413) 534‑2697
Group practices
Medicare enrollment lists Dianne Lavoie as a member of this group (CMS data updated October 2, 2026).
- Western Mass Physician Associates Inc71 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Holyoke
Clinicians with the same Medicare primary specialty in Holyoke, MA — not a recommendation.
Other clinicians in Western Mass Physician Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134469604 |
| 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