David J. Park, M.D.
NPI 1275619447ActiveIndividual· Internal Medicine, Medical Oncology· Fullerton, CA
Internal Medicine, Medical Oncology (M.D.) with Providence Medical Foundation, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $2,149,439 for 1,286 claims, against $142,014 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 37 companies reporting payments in 2025, $8,731 in all, mostly food and beverage. Lists Providence St. Jude Medical Center as a hospital affiliation.
Overview
| NPI | 1275619447 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 31, 2006 |
| Last updated in NPPES | Dec 3, 2021 |
| Certified by provider | Dec 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A75876 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 409 |
|---|---|
| Services billed | 1,584 across 16 procedure codes |
| Paid by Medicare | $142,014 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,286 · 1,825 30-day fills |
|---|---|
| Patients | 313 |
| Total drug cost | $2,149,439 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$8,731 · 148 payments from 37 companies
- 2024$12,596 · 109 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $3,458 | 21 |
| Janssen Biotech, Inc. | $2,555 | 14 |
| Celgene Corporation | $268.76 | 22 |
| Histosonics, Inc. | $228.20 | 1 |
| Incyte Corporation | $182.74 | 5 |
What the 2025 payments were for
- Food and Beverage$3,609 · 142 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,980 · 2 payments
- Consulting Fee$1,980 · 1 payment
- Education$137.98 · 2 payments
- Travel and Lodging$24.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Fullerton
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