Doctor profile · Federal record

Dr. Antonio Mister, M.D.

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

  • NPI 1104079185
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4201 W Medical Center Dr
McHenry, IL 60050
(815) 759-4323
fax (815) 759-4948
Additional location
350 N Wall St
Kankakee, IL 609012901
(815) 933-1671

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
May 7, 2024
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036128993

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104079185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
310
Distinct HCPCS
6
Medicare allowed
$35,558
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 133 66 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 58 57 $178
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 16 $123
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 40 $128
99239 Hospital discharge day management, more than 30 minutes 24 24 $119
99238 Hospital discharge day management, 30 minutes or less 13 13 $84

In context: peer comparison

Among 15 peers in this city , average services per provider: 128. This provider delivers 2.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Antonio Mister's medical specialty?
Dr. Antonio Mister practices Hospitalist Physician in McHenry, IL.
Where does Dr. Antonio Mister practice?
Dr. Antonio Mister practices at 4201 W Medical Center Dr, McHenry, IL 60050. Office phone: 8157594323.
What is Dr. Antonio Mister's NPI?
Dr. Antonio Mister's National Provider Identifier (NPI) is 1104079185, issued by NPPES.
Does Dr. Antonio Mister accept Medicare assignment?
Yes. Dr. Antonio Mister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Antonio Mister commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.