Doctor profile · Federal record

Dr. Sean Greenhalgh, M.D.

Hospitalist Physician (CMS: Hospitalist) · Maywood, IL

  • NPI 1497911333
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2160 S 1St Ave
Maywood, IL 601533328
(708) 216-5118

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
June 28, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036122370

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497911333. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
509
Distinct HCPCS
5
Medicare allowed
$61,183
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 286 140 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 55 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 60 55 $176
99239 Hospital discharge day management, more than 30 minutes 40 40 $120
99238 Hospital discharge day management, 30 minutes or less 28 28 $79

In context: peer comparison

Among 22 peers in this city , average services per provider: 103. This provider delivers 4.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Greenhalgh's medical specialty?
Dr. Sean Greenhalgh practices Hospitalist Physician in Maywood, IL.
Where does Dr. Sean Greenhalgh practice?
Dr. Sean Greenhalgh practices at 2160 S 1St Ave, Maywood, IL 601533328. Office phone: 7082165118.
What is Dr. Sean Greenhalgh's NPI?
Dr. Sean Greenhalgh's National Provider Identifier (NPI) is 1497911333, issued by NPPES.
Does Dr. Sean Greenhalgh accept Medicare assignment?
Yes. Dr. Sean Greenhalgh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Greenhalgh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.