Quick answers
- Does Melissa Chuongvan-Roy accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa Chuongvan-Roy 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 Melissa Chuongvan-Roy see?
- In 2024, CMS data shows 84 Original Medicare patients and 98 services for Melissa Chuongvan-Roy. This counts Original Medicare only and measures volume, not quality.
- What is Melissa Chuongvan-Roy's NPI number?
- 1700415122. 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 Melissa Chuongvan-Roy, 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 | 84 |
|---|---|
| Services billed to Medicare | 98 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)40 services
- Emergency department visit with moderate level of medical decision making (99284)24 services
- Critical care, first 30-74 minutes (99291)12 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%
- Arthritis63%
- Anxiety46%
- Depression44%
- Ischemic heart disease40%
Hospitals where Melissa Chuongvan-Roy works
Medicare's Facility Affiliation Data lists Melissa Chuongvan-Roy 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.
- Lawrence & Memorial HospitalNew London, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070007
- Westerly HospitalWesterly, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410013
Practice locations
Addresses where Melissa Chuongvan-Roy is enrolled with Medicare (CMS data updated October 2, 2026).
- 25 Wells StWesterly, RI 02891 (401) 586‑6000
- 365 Montauk AveNew London, CT 06320 (860) 442‑0711
Group practices
Medicare enrollment lists Melissa Chuongvan-Roy as a member of these groups (CMS data updated October 2, 2026).
- Lawrence and Memorial Hospital Inc.49 clinicians in the group
- LMW Healthcare Inc24 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Westerly
Clinicians with the same Medicare primary specialty in Westerly, RI — not a recommendation.
Other clinicians in Lawrence and Memorial Hospital Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | Yale University School Of Medicine |
|---|---|
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700415122 |
| 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