ALEXANDER STERN (MD) – Emergency Medicine Physician, NPI 1295298073
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,790 EMERGENCY MEDICINE in CA
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Provider Addresses for ALEXANDER STERN (MD)
Santa Ana, Urbanización Pedralvilla, Olocau, el Camp de Túria, Valencia, Valencian Community, 46169, Spain
SANTA ANA, CA 927052158
Phone: (714) 309-9863
Type: Mailing
Los Angeles County + University of Southern California Medical Center, 2051, Marengo Street, Boyle Heights, Los Angeles, Los Angeles County, California, 90033, United States
LOS ANGELES, CA 900331352
Phone: (323) 409-1000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2024-03-22 • Largest payer in this snapshot: Kiniksa Pharmaceuticals International, plc ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Kiniksa Pharmaceuticals International, plc | $16 |
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: 2025-10-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20220429001091 | I | Emergency Medicine | CA | TBD |
| I20251007000782 | I | Emergency Medicine | WA | 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 | 135 | 128 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 131 | 131 | $0 |
| 99291 | Critical care, first 30-74 minutes | 40 | 39 | $0 |
| 71045 | X-ray of chest, 1 view | 23 | 23 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 23 | 23 | $0 |
Insurance plans in this area (ZIP 92705)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | KS | |
| - | WA | |
| Emergency Medicine | WA | |
| Emergency Medicine | WA | |
| Emergency Medicine | WA | |
| Emergency Medicine | WA | |
| - | WA | |
| Emergency Medicine | DE | |
| Emergency Medicine | WA | |
| Emergency Medicine | NV |
Reviews
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