Alyssa Zupon, MD
NPI 1184113110 · Emergency Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Zupon, MD is a Emergency Medicine Physician provider in Boston, MA (NPI 1184113110).
Provider details
- NPI number
- 1184113110
- 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
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
494 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 | 313 | $174 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 69 | $119 |
| Critical Care, First 30-74 Minutes99291 | 55 | $211 |
| Critical Care, Each Additional 30 Minutes99292 | 28 | $106 |
| Ultrasound of Heart, Follow-Up93308 | 15 | $25 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 14 | $70 |
Practice location
Mailing address
Additional practice locations (1)
- 55 Fruit StMassachusetts General Hospital Emergency DepartmentBoston, MA 02224Phone: (617) 724-4100
Registry dates
- Enumerated
- 2018-05-04
- Last updated
- 2022-06-29
- Certified
- 2022-06-28
Frequently asked questions
- What is Alyssa Zupon's NPI number?
- Alyssa Zupon's National Provider Identifier (NPI) is 1184113110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Zupon's specialty?
- Alyssa Zupon is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alyssa Zupon located?
- Alyssa Zupon's practice location on file with NPPES is 75 Francis St, Boston, MA 02115.
- What is Alyssa Zupon's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Zupon is (617) 732-5636.
- Does Alyssa Zupon accept Medicare?
- Alyssa Zupon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Zupon's NPI active?
- Yes — Alyssa Zupon's NPI (1184113110) is active in the NPPES registry as of the last update on 2022-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.