Warren Steven Paroly, MD
NPI 1306981527ActiveIndividual· Internal Medicine, Hematology & Oncology· Oceanside, CA
Internal Medicine, Hematology & Oncology (MD) in Oceanside, California, trained at University of Cincinnati College of Medicine (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $1,685,359 for 374 claims, against $270,060 paid for services in 2024. Regeneron Pharmaceuticals, Inc. was the largest of 22 companies reporting payments in 2025, $1,018 in all, mostly food and beverage.
Overview
| NPI | 1306981527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G29867 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 49,547 across 27 procedure codes |
| Paid by Medicare | $270,060 |
Part D prescriptions in 2024
| Prescriptions (claims) | 374 · 585 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $1,685,359 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- North County Oncology Medical Clinic IncOceanside, CA · 3 clinicians
Hospital affiliations
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Tri-City Medical CenterOceanside, CA
Industry payments (Open Payments)
- 2025$1,018 · 35 payments from 22 companies
- 2024$802.26 · 29 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $149.00 | 1 |
| Abbvie Inc. | $118.41 | 5 |
| Merck Sharp & Dohme LLC | $103.85 | 4 |
| Karyopharm Therapeutics Inc. | $63.88 | 2 |
| Array Biopharma Inc | $55.68 | 2 |
What the 2025 payments were for
- Food and Beverage$1,018 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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