Doctor profile · Federal record

Dr. Matthew Greenwood

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

  • NPI 1649730862
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
119 Belmont St
Worcester, MA 016052903
(508) 334-8515
fax (508) 334-6490
Additional location
157 Union St
Marlborough, MA 017521228
(508) 486-5678
fax (508) 486-5677
Additional location
55 Lake Ave N
Worcester, MA 016550002
(508) 334-1000
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
August 31, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #292411

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649730862. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
544
Distinct HCPCS
5
Medicare allowed
$62,652
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 307 146 $122
99239 Hospital discharge day management, more than 30 minutes 93 86 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 53 34 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 44 $180
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 45 30 $32

In context: peer comparison

Among 114 peers in Worcester Internal Medicine Physician, average services per provider: 102. This provider delivers 5.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Greenwood's medical specialty?
Dr. Matthew Greenwood practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Matthew Greenwood practice?
Dr. Matthew Greenwood practices at 119 Belmont St, Worcester, MA 016052903. Office phone: 5083348515.
What is Dr. Matthew Greenwood's NPI?
Dr. Matthew Greenwood's National Provider Identifier (NPI) is 1649730862, issued by NPPES.
Does Dr. Matthew Greenwood accept Medicare assignment?
Yes. Dr. Matthew Greenwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Greenwood commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.