Doctor profile · Federal record

Dr. William Gray, D.O.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Carbondale, IL

  • NPI 1114378882
  • Accepts Medicare
  • MIPS 60.7 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
405 W Jackson St
Carbondale, IL 629011462
(615) 549-0721
fax (618) 529-0479
Additional location
2 S Hospital Dr
Murphysboro, IL 629663333
(618) 684-3156
fax (618) 681-1040
Additional location
201 S 14Th St
Herrin, IL 629483631
(618) 942-2171
fax (618) 988-6166
Show 1 more location
Additional location
2345 Dougherty Ferry RD
Saint Louis, MO 631223313
(314) 966-9100
Mailing address
Po Box 3988
Carbondale, IL 629023988

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
June 4, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036150636 · Missouri #2016020051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114378882. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,212
Distinct HCPCS
7
Medicare allowed
$143,030
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 468 189 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 325 151 $79
99239 Hospital discharge day management, more than 30 minutes 161 155 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 124 121 $171
99291 Critical care, first 30-74 minutes 76 40 $214
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 36 35 $130
99238 Hospital discharge day management, 30 minutes or less 22 22 $80

In context: peer comparison

Among 7 peers in Carbondale Hospitalist Physician, average services per provider: 161. This provider delivers 7.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$413
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 2 $413.06

By nature of payment

Travel and Lodging
$413

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
27
Total drug cost
$281
Drug Type Claims Patients Total cost
Cefdinir Generic 16 15 $187
Prednisone Generic 12 12 $29
Levofloxacin Generic 11 0 $64

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Gray's medical specialty?
Dr. William Gray practices Hospitalist Physician in Carbondale, IL.
Where does Dr. William Gray practice?
Dr. William Gray practices at 405 W Jackson St, Carbondale, IL 629011462. Office phone: 6155490721.
What is Dr. William Gray's NPI?
Dr. William Gray's National Provider Identifier (NPI) is 1114378882, issued by NPPES.
Does Dr. William Gray accept Medicare assignment?
Yes. Dr. William Gray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gray 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.