Leslie Ballas, MD
NPI 1235388901ActiveIndividual· Radiology, Radiation Oncology· Los Angeles, CA
Radiology, Radiation Oncology (MD) in Los Angeles, California, trained at University of Michigan Medical School (class of 2003). Mostly services rather than prescriptions: Medicare paid $148,108 for 168 patients in 2024, with only 34 Part D claims.
Overview
| NPI | 1235388901 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 17, 2008 |
| Last updated in NPPES | Jul 14, 2022 |
| Certified by provider | Jul 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A111990 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 1,893 across 26 procedure codes |
| Paid by Medicare | $148,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 37 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $34,599 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
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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