Doctor profile · Federal record

Dr. Maurine Williams, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Worcester, MA

  • NPI 1669766879
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Additional location
119 Belmont St
Worcester, MA 016052903
Additional location
157 Union St
Marlborough, MA 017521228
Show 3 more locations
Additional location
201 Highland St
Clinton, MA 015101037
Additional location
510 N Main St
Leominster, MA 014531814
Additional location
60 Hospital RD
Leominster, MA 014532205
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
December 1, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #260863
Medicaid
MA #110100636A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669766879. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
219
Distinct HCPCS
4
Medicare allowed
$33,874
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 103 101 $177
99284 Emergency department visit with moderate level of medical decision making 84 82 $122
99291 Critical care, first 30-74 minutes 21 21 $216
99283 Emergency department visit with low level of medical decision making 11 11 $73

In context: peer comparison

Among 82 peers in Worcester Emergency Medicine Physician, average services per provider: 70. This provider delivers 3.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maurine Williams's medical specialty?
Dr. Maurine Williams practices Emergency Medicine Physician in Worcester, MA.
Where does Dr. Maurine Williams practice?
Dr. Maurine Williams practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Maurine Williams's NPI?
Dr. Maurine Williams's National Provider Identifier (NPI) is 1669766879, issued by NPPES.
Does Dr. Maurine Williams accept Medicare assignment?
Yes. Dr. Maurine Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maurine Williams commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.