Sean Maroongroge, M.D.
NPI 1417451956ActiveIndividual· Radiology, Radiation Oncology· Duarte, CA
Radiology, Radiation Oncology (M.D.) with City of Hope Medical Foundation, practicing in Duarte, California. 205 Medicare patients in 2024, $211,238 paid; nearly all of their 89 Part D prescriptions were generic (98%). Profound Medical Corp. was the largest of 4 companies reporting payments in 2025, $1,841 in all, mostly food and beverage.
Overview
| NPI | 1417451956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 20, 2018 |
| Last updated in NPPES | Aug 2, 2023 |
| Certified by provider | Aug 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A186631 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 205 |
|---|---|
| Services billed | 2,334 across 36 procedure codes |
| Paid by Medicare | $211,238 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 102 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $1,640 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$1,841 · 10 payments from 4 companies
- 2024$87.80 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Profound Medical Corp. | $1,742 | 7 |
| Novocure Inc. | $39.52 | 1 |
| Teleflex LLC | $33.47 | 1 |
| Napo Pharmaceuticals Inc | $25.63 | 1 |
What the 2025 payments were for
- Food and Beverage$1,004 · 9 payments
- Travel and Lodging$836.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Duarte
- 1487910774
- 1851535504
- 1972698868
- 1619141751
- 1750643136
- 1467718379
- 1023515947
- 1447593678
- 1346346897
- 1407941289
- 1568542785
- 1275639791