Doctor profile · Federal record

Dr. Stephen Liu, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Los Angeles, CA

  • NPI 1083666259
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 S Grand Ave, Emergency Department
Los Angeles, CA 900153010
(213) 748-2411
Mailing address
4551 Glencoe Ave, Suite 260
Marina del Rey, CA 902926385

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 25, 2009
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A84304

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083666259. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
300
Distinct HCPCS
5
Medicare allowed
$36,962
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 115 101 $9
99291 Critical care, first 30-74 minutes 70 69 $226
99285 Emergency department visit with high level of medical decision making 61 56 $184
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 35 29 $186
99284 Emergency department visit with moderate level of medical decision making 19 16 $127

In context: peer comparison

Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
55
Total drug cost
$350
Drug Type Claims Patients Total cost
Cephalexin Generic 17 17 $128
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 15 $46
Ondansetron Odt (Ondansetron) Brand 13 12 $139
Meclizine Hcl Generic 11 11 $37

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Liu's medical specialty?
Dr. Stephen Liu practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Stephen Liu practice?
Dr. Stephen Liu practices at 1401 S Grand Ave, Los Angeles, CA 900153010. Office phone: 2137482411.
What is Dr. Stephen Liu's NPI?
Dr. Stephen Liu's National Provider Identifier (NPI) is 1083666259, issued by NPPES.
Does Dr. Stephen Liu accept Medicare assignment?
Yes. Dr. Stephen Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Liu commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.