Doctor profile · Federal record

Dr. Elizabeth Chung, M.D.

Medical Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Internal Medicine Physician · Hematology & Oncology Physician · Libertyville, IL

  • NPI 1184652158
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 Hollister Dr, Suite 112
Libertyville, IL 600485263
(847) 367-6781

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 8, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (2)
Illinois #036.118235 · California #A90970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184652158. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
912
Distinct HCPCS
9
Medicare allowed
$99,376
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 529 263 $100
99215 Established patient office or other outpatient visit, 40-54 minutes 142 68 $148
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 85 39 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 46 42 $68
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 29 $179
36415 Insertion of needle into vein for collection of blood sample 27 16 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 22 $82
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $188
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $137

In context: peer comparison

Among 2 peers in this city , average services per provider: 84. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
540
Patients
127
Total drug cost
$1,228,545
Drug Type Claims Patients Total cost
Anastrozole Generic 118 38 $3,895
Eliquis (Apixaban) Brand 46 12 $42,008
Revlimid (Lenalidomide) Brand 44 11 $733,628
Letrozole Generic 43 14 $2,380
Tamoxifen Citrate Generic 39 16 $1,013
Prednisone Generic 32 12 $142
Warfarin Sodium Generic 32 0 $401
Gabapentin Generic 30 13 $390
Hydroxyurea Generic 27 0 $1,141
Dexamethasone Generic 25 11 $595

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Chung's medical specialty?
Dr. Elizabeth Chung practices Medical Oncology Physician in Libertyville, IL.
Where does Dr. Elizabeth Chung practice?
Dr. Elizabeth Chung practices at 1800 Hollister Dr, Libertyville, IL 600485263. Office phone: 8473676781.
What is Dr. Elizabeth Chung's NPI?
Dr. Elizabeth Chung's National Provider Identifier (NPI) is 1184652158, issued by NPPES.
Does Dr. Elizabeth Chung accept Medicare assignment?
Yes. Dr. Elizabeth Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Chung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.