Catherine C. Coombs, M.D.
NPI 1417273517ActiveIndividual· Internal Medicine, Hematology & Oncology· Orange, CA
Internal Medicine, Hematology & Oncology (M.D.) in Orange, California, trained at University of Cincinnati College of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $682,407 for 132 claims, against $43,961 paid for services in 2024. Beone Medicines USA, Inc. was the largest of 12 companies reporting payments in 2025, $206,075 in all, mostly speaking and faculty fees.
Overview
| NPI | 1417273517 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2010 |
| Last updated in NPPES | Nov 4, 2022 |
| Certified by provider | Nov 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | C181169 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 2016-01232 | NC |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 423 across 15 procedure codes |
| Paid by Medicare | $43,961 |
Part D prescriptions in 2024
| Prescriptions (claims) | 132 · 161 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $682,407 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$206,075 · 157 payments from 12 companies
- 2024$258,416 · 215 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Beone Medicines USA, Inc. | $82,793 | 59 |
| Lilly USA, LLC | $65,511 | 34 |
| Astrazeneca Pharmaceuticals LP | $24,929 | 21 |
| Abbvie Inc. | $11,612 | 21 |
| Eli Lilly and Company | $7,257 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$108,670 · 35 payments
- Consulting Fee$79,753 · 25 payments
- Travel and Lodging$13,569 · 41 payments
- Food and Beverage$4,082 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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