Quick answers
- Does Wendy A. Demartino accept Medicare assignment?
- Yes. Medicare's clinician data says Wendy A. Demartino 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 Wendy A. Demartino see?
- In 2024, CMS data shows 351 Original Medicare patients and 392 services for Wendy A. Demartino. This counts Original Medicare only and measures volume, not quality.
- What is Wendy A. Demartino's NPI number?
- 1821125899. 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 Wendy A. Demartino, 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 | 351 |
|---|---|
| Services billed to Medicare | 392 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)140 services
- Emergency department visit with moderate level of medical decision making (99284)131 services
- Emergency department visit with low level of medical decision making (99283)50 services
- Critical care, first 30-74 minutes (99291)39 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 pressure74%
- High cholesterol64%
- Arthritis48%
- Anxiety42%
- Depression36%
- Ischemic heart disease34%
Hospitals where Wendy A. Demartino works
Medicare's Facility Affiliation Data lists Wendy A. Demartino 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.
- Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200024
- Ellis HospitalSchenectady, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330153
- Rutland Regional Medical CenterRutland, VT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 470005
Practice locations
Addresses where Wendy A. Demartino is enrolled with Medicare (CMS data updated October 2, 2026).
- 17 Belmont AveBrattleboro, VT 05301 (802) 257‑0341
- 2215 Burdett AveTroy, NY 12180 (518) 271‑3261
- 25 Highland AveNewburyport, MA 01950 (978) 463‑1000
- 300 Main StLewiston, ME 04240 (207) 795‑5646
Group practices
Medicare enrollment lists Wendy A. Demartino as a member of these groups (CMS data updated October 2, 2026).
- Bluewater Emergency Partners of Brunswick, LLC154 clinicians in the group
- Island Emergency Medical Services PC137 clinicians in the group
- Newburyport Emergency Physicians, PLLC56 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Brattleboro
Clinicians with the same Medicare primary specialty in Brattleboro, VT — not a recommendation.
Other clinicians in Bluewater Emergency Partners of Brunswick, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821125899 |
| 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