Doctor profile · Federal record

Dr. Bretton Mularski, M.D.

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

  • NPI 1346564317
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 N. Winfield RD
Winfield, IL 601901295
(630) 933-4700
fax (630) 933-4427

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
January 11, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (3)
Illinois #036132298 · Illinois #132298 · New York #264098
Medicaid
IL #036132298

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346564317. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
823
Distinct HCPCS
5
Medicare allowed
$99,868
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 327 132 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 191 95 $82
99239 Hospital discharge day management, more than 30 minutes 156 151 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 92 91 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 57 57 $135

In context: peer comparison

Among 31 peers in this city , average services per provider: 153. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$51
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 14 0 $51

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Bretton Mularski's medical specialty?
Dr. Bretton Mularski practices Hospitalist Physician in Winfield, IL.
Where does Dr. Bretton Mularski practice?
Dr. Bretton Mularski practices at 25 N. Winfield RD, Winfield, IL 601901295. Office phone: 6309334700.
What is Dr. Bretton Mularski's NPI?
Dr. Bretton Mularski's National Provider Identifier (NPI) is 1346564317, issued by NPPES.
Does Dr. Bretton Mularski accept Medicare assignment?
Yes. Dr. Bretton Mularski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bretton Mularski 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.