Doctor profile · Federal record

Dr. Omer Yusaf, MD

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

  • NPI 1669585956
  • Accepts Medicare
  • 30 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
2100 Glenwood Ave
Joliet, IL 604355487
(815) 725-2121
fax (815) 744-3117
Additional location
2400 N Rockton Ave
Rockford, IL 611033655
(815) 971-4066
fax (815) 971-9299
Additional location
333 Madison St
Joliet, IL 604358200
(815) 725-7133
Show 1 more location
Additional location
8201 E Riverside Blvd
Rockford, IL 611142300
(815) 971-4066
fax (815) 971-9299
Mailing address
Pob 7132960
Chicago, IL 606770001

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 4, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036121271 · Indiana #01093362A
Medicaid (2)
IL #036121271 · WI #1669585956

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669585956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,377
Distinct HCPCS
6
Medicare allowed
$158,717
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 565 200 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 372 159 $80
99239 Hospital discharge day management, more than 30 minutes 215 201 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 153 143 $176
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 50 50 $132
99238 Hospital discharge day management, 30 minutes or less 22 21 $82

In context: peer comparison

Among 6 peers in Joliet Hospitalist Physician, average services per provider: 229. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
38
Total drug cost
$285
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 25 25 $167
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Omer Yusaf's medical specialty?
Dr. Omer Yusaf practices Hospitalist Physician in Joliet, IL.
Where does Dr. Omer Yusaf practice?
Dr. Omer Yusaf practices at 2100 Glenwood Ave, Joliet, IL 604355487. Office phone: 8157252121.
What is Dr. Omer Yusaf's NPI?
Dr. Omer Yusaf's National Provider Identifier (NPI) is 1669585956, issued by NPPES.
Does Dr. Omer Yusaf accept Medicare assignment?
Yes. Dr. Omer Yusaf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Omer Yusaf 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.