Daniel W. Sonnenburg, M.D.
NPI 1538508965ActiveIndividual· Internal Medicine, Medical Oncology· Indianapolis, IN
Internal Medicine, Medical Oncology (M.D.) in Indianapolis, Indiana, trained at Indiana University School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $5,800,930 for 1,574 claims, against $99,922 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $15,452 in all, mostly speaking and faculty fees.
Overview
| NPI | 1538508965 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 19, 2013 |
| Last updated in NPPES | Sep 6, 2023 |
| Certified by provider | Sep 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 01076252A | IN |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 01076252A | IN |
| Internal Medicine, Hematology | 207RH0000X | 01076252A | IN |
| Student in an Organized Health Care Education/Training Program | 390200000X | 11017374A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 456 |
|---|---|
| Services billed | 1,379 across 12 procedure codes |
| Paid by Medicare | $99,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,574 · 2,015 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $5,800,930 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
| Telehealth | Offers telehealth |
Medical groups
- Community Physicians of Indiana IncIndianapolis, IN · 1,565 clinicians
- Community Physician Network Specialty Care LLCIndianapolis, IN · 267 clinicians
Hospital affiliations
- Community Hospital EastIndianapolis, IN
- Community Hospital NorthIndianapolis, IN
- Community Hospital South, Inc.Indianapolis, IN
- Community Howard Regional Health Inc.Kokomo, IN
- Indiana University HealthIndianapolis, IN
Other facilities
- Community Health at Home LLCHome health agency · Indianapolis, IN
Industry payments (Open Payments)
- 2025$15,452 · 61 payments from 8 companies
- 2024$9,152 · 57 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $13,971 | 13 |
| Janssen Biotech, Inc. | $561.69 | 8 |
| Merck Sharp & Dohme LLC | $295.31 | 11 |
| Eisai Inc. | $230.55 | 9 |
| Pfizer Inc. | $180.60 | 10 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,790 · 7 payments
- Consulting Fee$3,350 · 1 payment
- Food and Beverage$1,312 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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