Doctor profile · Federal record

Dr. Marie Mullen, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Worcester, MA

  • NPI 1083696553
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
May 23, 2024
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #205270
Medicaid
MA #110001409A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083696553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
339
Distinct HCPCS
8
Medicare allowed
$51,650
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 111 92 $216
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 64 32 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 53 32 $120
99285 Emergency department visit with high level of medical decision making 34 34 $178
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $177
99292 Critical care, each additional 30 minutes 23 11 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $133
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 14 11 $85

In context: peer comparison

Among 82 peers in Worcester Emergency Medicine Physician, average services per provider: 70. This provider delivers 4.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marie Mullen's medical specialty?
Dr. Marie Mullen practices Emergency Medicine Physician in Worcester, MA.
Where does Dr. Marie Mullen practice?
Dr. Marie Mullen practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Marie Mullen's NPI?
Dr. Marie Mullen's National Provider Identifier (NPI) is 1083696553, issued by NPPES.
Does Dr. Marie Mullen accept Medicare assignment?
Yes. Dr. Marie Mullen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marie Mullen commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.