Mark W. Westberg, MD
NPI 1952362394ActiveIndividual· Internal Medicine, Medical Oncology· Ankeny, IA
Internal Medicine, Medical Oncology (MD) in Ankeny, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $2,069,998 for 1,105 claims, against $7,000 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $16.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1952362394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 28, 2006 |
| Last updated in NPPES | Nov 18, 2025 |
| Certified by provider | Nov 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MD-20734 | IA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 20734 | IA |
| Internal Medicine | 207R00000X | MD-20734 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 153 across 12 procedure codes |
| Paid by Medicare | $7,000 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,105 · 1,401 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $2,069,998 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
Medical group
- St Anthony Regional Hospital and Nursing HomeCarroll, IA · 50 clinicians
Hospital affiliations
- Crawford County Memorial HospitalDenison, IA
- Loring HospitalSac City, IA
- St Anthony Regional Hospital & Nursing HomeCarroll, IA
- Stewart Memorial Community HospitalLake City, IA
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Industry payments (Open Payments)
- 2025$16.29 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $16.29 | 1 |
What the 2025 payments were for
- Food and Beverage$16.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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