Stephen Gregory Kefalas, M.D.
NPI 1285665422ActiveIndividual· Emergency Medicine· West Hollywood, CA
Emergency Medicine (M.D.) in West Hollywood, California, trained at University of California, San Francisco School of Medicine (class of 2002). 608 Medicare patients in 2024, $82,845 paid; nearly all of their 130 Part D prescriptions were generic (92%).
Overview
| NPI | 1285665422 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | Dec 21, 2021 |
| Certified by provider | Dec 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 239275 | NY |
| Emergency Medicine | 207P00000X | A109465 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 608 |
|---|---|
| Services billed | 1,131 across 33 procedure codes |
| Paid by Medicare | $82,845 |
Part D prescriptions in 2024
| Prescriptions (claims) | 130 · 130 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $8,158 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 emergency medicine physicians in West Hollywood · All emergency medicine physicians in California