Doctor profile · Federal record

Dr. Liyun Yuan, M.D., PHD

Transplant Hepatology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Los Angeles, CA

  • NPI 1154622413
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1520 San Pablo St Ste 1000
Los Angeles, CA 900335312
(323) 442-5100
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
November 2010 — 16 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RT0003X — NUCC code
State license (1)
California #A113970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154622413. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
486
Distinct HCPCS
8
Medicare allowed
$59,578
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 158 113 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 117 73 $153
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 94 33 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 13 $126
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 25 25 $114
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $192
43244 Tying of dilated veins of stomach and/or esophagus using a flexible endoscope 21 18 $258
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 12 12 $6

In context: peer comparison

Among 8 peers in Los Angeles Transplant Hepatology Physician, average services per provider: 58. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$54
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $54.37

By nature of payment

Food and Beverage
$54

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
990
Patients
123
Total drug cost
$346,890
Drug Type Claims Patients Total cost
Tacrolimus Generic 293 38 $49,901
Vemlidy (Tenofovir Alafenamide) Brand 99 0 $157,669
Pantoprazole Sodium Generic 92 20 $1,314
Prednisone Generic 67 13 $835
Ursodiol Generic 60 0 $8,524
Omeprazole Generic 51 15 $733
Amlodipine Besylate Generic 48 11 $575
Mycophenolate Mofetil Generic 45 0 $5,397
Entecavir Generic 43 0 $28,920
Spironolactone Generic 39 13 $1,053

Frequently asked questions

Auto-generated from federal data
What is Dr. Liyun Yuan's medical specialty?
Dr. Liyun Yuan practices Transplant Hepatology Physician in Los Angeles, CA.
Where does Dr. Liyun Yuan practice?
Dr. Liyun Yuan practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 900335312. Office phone: 3234425100.
What is Dr. Liyun Yuan's NPI?
Dr. Liyun Yuan's National Provider Identifier (NPI) is 1154622413, issued by NPPES.
Does Dr. Liyun Yuan accept Medicare assignment?
Yes. Dr. Liyun Yuan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Liyun Yuan 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 99232). Source: CMS Medicare Physician & Other Practitioners file.