Doctor profile · Federal record

Dr. William Walsh, M.D.

Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Evergreen Park, IL

  • NPI 1659355972
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 W 95Th St
Evergreen Park, IL 608052746
(708) 422-4221
fax (708) 422-4415

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 12, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
Illinois #036103168

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659355972. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$5,625
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 29 29 $130
99283 Emergency department visit with low level of medical decision making 24 24 $78

In context: peer comparison

Among 4 peers in this city , average services per provider: 82. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
19
Total drug cost
$42
Drug Type Claims Patients Total cost
Prednisone Generic 20 19 $42

Frequently asked questions

Auto-generated from federal data
What is Dr. William Walsh's medical specialty?
Dr. William Walsh practices Emergency Medical Services (Emergency Medicine) Physician in Evergreen Park, IL.
Where does Dr. William Walsh practice?
Dr. William Walsh practices at 2800 W 95Th St, Evergreen Park, IL 608052746. Office phone: 7084224221.
What is Dr. William Walsh's NPI?
Dr. William Walsh's National Provider Identifier (NPI) is 1659355972, issued by NPPES.
Does Dr. William Walsh accept Medicare assignment?
Yes. Dr. William Walsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Walsh commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.