Catherine D. Quinn, M.D.
NPI 1427403641ActiveIndividual· Internal Medicine, Hematology & Oncology· Oceanside, CA
Internal Medicine, Hematology & Oncology (M.D.) with North County Oncology Medical Clinic Inc, practicing in Oceanside, California. Their prescriptions cost Medicare Part D more than their services did: $1,378,203 for 786 claims, against $124,551 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 32 companies reporting payments in 2025, $2,708 in all, mostly food and beverage. Lists Tri-City Medical Center as a hospital affiliation.
Overview
| NPI | 1427403641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 25, 2016 |
| Last updated in NPPES | Jul 22, 2024 |
| Certified by provider | Jul 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A162757 | 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 - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 20,044 across 29 procedure codes |
| Paid by Medicare | $124,551 |
Part D prescriptions in 2024
| Prescriptions (claims) | 786 · 1,094 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $1,378,203 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- North County Oncology Medical Clinic IncOceanside, CA · 3 clinicians
Hospital affiliation
- Tri-City Medical CenterOceanside, CA
Industry payments (Open Payments)
- 2025$2,708 · 67 payments from 32 companies
- 2024$1,615 · 51 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,318 | 19 |
| Regeneron Pharmaceuticals, Inc. | $149.00 | 1 |
| Merck Sharp & Dohme LLC | $112.22 | 4 |
| Array Biopharma Inc | $106.30 | 4 |
| Abbvie Inc. | $78.93 | 3 |
What the 2025 payments were for
- Food and Beverage$1,512 · 55 payments
- Long term medical supply or device loan$1,196 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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