Mark Daniel Pegram, M.D.
NPI 1356361554ActiveIndividual· Internal Medicine, Medical Oncology· Stanford, CA
Internal Medicine, Medical Oncology (M.D.) in Stanford, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $78,490 for 50 claims, against $10,792 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $41,055 in all, mostly consulting fees.
Overview
| NPI | 1356361554 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Apr 16, 2024 |
| Certified by provider | Apr 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A46221 | CA |
| Internal Medicine | 207R00000X | A46221 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | A46221 | CA |
| Surgery, Surgical Oncology | 2086X0206X | A46221 | 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 | 28 |
|---|---|
| Services billed | 93 across 6 procedure codes |
| Paid by Medicare | $10,792 |
Part D prescriptions in 2024
| Prescriptions (claims) | 50 · 82 30-day fills |
|---|---|
| Total drug cost | $78,490 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$41,055 · 54 payments from 9 companies
- 2024$37,806 · 39 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $19,170 | 20 |
| Stemline Therapeutics Inc. | $8,775 | 9 |
| Pfizer Inc. | $5,810 | 3 |
| Tersera Therapeutics LLC | $4,040 | 7 |
| Novartis Pharmaceuticals Corporation | $1,342 | 4 |
What the 2025 payments were for
- Consulting Fee$36,135 · 14 payments
- Food and Beverage$2,705 · 32 payments
- Travel and Lodging$2,216 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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