STEPHEN J. LIU (M.D.) – Emergency Medicine Physician, NPI 1083666259
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
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Provider Addresses for STEPHEN J. LIU (M.D.)
Marina Del Rey Post Office, 4325 Suite C9, Glencoe Avenue, Los Angeles, Los Angeles County, California, 90292, United States
SUITE 260
MARINA DEL REY, CA 902926385
Phone: (310) 301-2030
Fax: (310) 306-5247
Type: Mailing
California Hospital Medical Center, 1401, South Grand Avenue, South Park, Downtown, Los Angeles, Los Angeles County, California, 90007, United States
EMERGENCY DEPARTMENT
LOS ANGELES, CA 900153010
Phone: (213) 748-2411
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2023-04-25 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($14).
Total Amount
$14
General + Research + Ownership
Payments
3
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2023-04-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $14 |
| BrainScope Company, Inc. | $0 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-03-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050325000682 | I | Emergency Medicine | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 115 | 101 | $0 |
| 99291 | Critical care, first 30-74 minutes | 70 | 69 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 61 | 56 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 29 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 19 | 16 | $0 |
Insurance plans in this area (ZIP 90292)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | CA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 125 | 113 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | VA | |
| Emergency Medicine | CA | |
| Emergency Medicine, Family Practice | MS | |
| - | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Family Practice, Emergency Medicine | CA | |
| Emergency Medicine | CO |
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