Melissa Chuongvan-Roy, MD
NPI 1700415122 · Emergency Medicine Physician · New London, CT
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Chuongvan-Roy, MD is a Emergency Medicine Physician provider in New London, CT (NPI 1700415122).
Provider details
- NPI number
- 1700415122
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
76 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 40 | $178 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 24 | $123 |
| Critical Care, First 30-74 Minutes99291 | 12 | $217 |
Typical Medicare-allowed amounts for these services range $123–$217 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 464 Congress Ave Ste 260New Haven, CT 06519-1362Phone: (203) 737-2644
- 25 Wells StWesterly, RI 02891-2934Phone: (860) 271-4326
Registry dates
- Enumerated
- 2020-04-07
- Last updated
- 2024-04-16
- Certified
- 2024-04-16
Frequently asked questions
- What is Melissa Chuongvan-Roy's NPI number?
- Melissa Chuongvan-Roy's National Provider Identifier (NPI) is 1700415122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Chuongvan-Roy's specialty?
- Melissa Chuongvan-Roy is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Chuongvan-Roy located?
- Melissa Chuongvan-Roy's practice location on file with NPPES is 365 Montauk Ave, New London, CT 06320-4700.
- What is Melissa Chuongvan-Roy's phone number?
- The practice phone number listed in the NPPES registry for Melissa Chuongvan-Roy is (860) 271-4326.
- Does Melissa Chuongvan-Roy accept Medicare?
- Melissa Chuongvan-Roy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Chuongvan-Roy's NPI active?
- Yes — Melissa Chuongvan-Roy's NPI (1700415122) is active in the NPPES registry as of the last update on 2024-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.