Caitlin O'Neill
NPI 1497174262ActiveIndividual· Internal Medicine, Hematology· Los Angeles, CA
Internal Medicine, Hematology in Los Angeles, California, trained at University of Southern California Keck School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $947,151 for 127 claims, against $16,588 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $673.18 in all, mostly food and beverage.
Overview
| NPI | 1497174262 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 9, 2014 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Aug 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | A141109 | 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 - Hematology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 270 across 15 procedure codes |
| Paid by Medicare | $16,588 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 200 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $947,151 |
| Generic share | 32% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Hematology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliations
- Keck Hospital of UscLos Angeles, CA
- Los Angeles General Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$673.18 · 25 payments from 6 companies
- 2024$259.53 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $262.85 | 17 |
| Pharmaessentia USA Corporation | $208.70 | 1 |
| Genzyme Corporation | $68.56 | 2 |
| Sobi, Inc | $63.24 | 2 |
| Beone Medicines USA, Inc. | $48.23 | 2 |
What the 2025 payments were for
- Food and Beverage$673.18 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology providers in Los Angeles
- 1679095319
- 1407344658
- 1083751358
- 1659471829
- 1861429581
- 1609972983
- 1679917561
- 1265895817
- 1225243348
- 1821594904
- 1366746661
- 1578589271