Doctor profile · Federal record

Dr. Il-Ran Hwang, M.D

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1346528593
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 S California Avenue
Chicago, IL 606081797
(773) 542-2000
fax (773) 257-6027
Mailing address
1500 S California Ave
Chicago, IL 606081797

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
August 2, 2011
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #125060559

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346528593. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
48
Distinct HCPCS
2
Medicare allowed
$4,089
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 20 $75
99239 Hospital discharge day management, more than 30 minutes 14 14 $109

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
18
Total drug cost
$93
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 18 $93

Frequently asked questions

Auto-generated from federal data
What is Dr. Il-Ran Hwang's medical specialty?
Dr. Il-Ran Hwang practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Il-Ran Hwang practice?
Dr. Il-Ran Hwang practices at 1500 S California Avenue, Chicago, IL 606081797. Office phone: 7735422000.
What is Dr. Il-Ran Hwang's NPI?
Dr. Il-Ran Hwang's National Provider Identifier (NPI) is 1346528593, issued by NPPES.
Does Dr. Il-Ran Hwang accept Medicare assignment?
Yes. Dr. Il-Ran Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Il-Ran Hwang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.