Marie Mullen, MD
NPI 1083696553 · Emergency Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Mullen, MD is a Emergency Medicine Physician provider in Worcester, MA (NPI 1083696553).
Provider details
- NPI number
- 1083696553
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 205270 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
316 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 154 | $209 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 50 | $117 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 32 | $165 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 30 | $78 |
| Critical Care, Each Additional 30 Minutes99292 | 30 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 20 | $171 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-18
- Last updated
- 2024-05-23
- Certified
- 2024-05-23
Frequently asked questions
- What is Marie Mullen's NPI number?
- Marie Mullen's National Provider Identifier (NPI) is 1083696553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Mullen's specialty?
- Marie Mullen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Mullen located?
- Marie Mullen's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Marie Mullen's phone number?
- The practice phone number listed in the NPPES registry for Marie Mullen is (508) 421-1400.
- Does Marie Mullen accept Medicare?
- Marie Mullen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Mullen's NPI active?
- Yes — Marie Mullen's NPI (1083696553) is active in the NPPES registry as of the last update on 2024-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.