Doctor profile · Federal record

Dr. Jun Liu, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Irvine, CA

  • NPI 1770669319
  • Accepts Medicare
  • 43 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11 Technology Dr
Irvine, CA 926182302
(855) 206-6764
fax (949) 923-3575

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
May 8, 2024
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A79444

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770669319. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
259
Distinct HCPCS
4
Medicare allowed
$28,798
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 110 42 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 98 49 $82
99239 Hospital discharge day management, more than 30 minutes 33 33 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $182

In context: peer comparison

Among 37 peers in this city , average services per provider: 103. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
134
Patients
12
Total drug cost
$741
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 21 12 $167
Levothyroxine Sodium Generic 21 0 $190
Tamsulosin Hcl Generic 18 0 $109
Metoprolol Succinate Generic 16 0 $48
Metoprolol Tartrate Generic 13 0 $35
Prednisone Generic 12 0 $45
Benazepril Hcl Generic 11 0 $14
Lisinopril Generic 11 0 $35
Losartan Potassium Generic 11 0 $98

Frequently asked questions

Auto-generated from federal data
What is Dr. Jun Liu's medical specialty?
Dr. Jun Liu practices Internal Medicine Physician in Irvine, CA.
Where does Dr. Jun Liu practice?
Dr. Jun Liu practices at 11 Technology Dr, Irvine, CA 926182302. Office phone: 8552066764.
What is Dr. Jun Liu's NPI?
Dr. Jun Liu's National Provider Identifier (NPI) is 1770669319, issued by NPPES.
Does Dr. Jun Liu accept Medicare assignment?
Yes. Dr. Jun Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jun Liu 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.