Brian P. Mulherin, M.D.
NPI 1922034156ActiveIndividual· Internal Medicine, Hematology & Oncology· Indianapolis, IN
Internal Medicine, Hematology & Oncology (M.D.) in Indianapolis, Indiana, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $7,833,341 for 2,349 claims, against $1,311,371 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 32 companies reporting payments in 2025, $25,012 in all, mostly consulting fees.
Overview
| NPI | 1922034156 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2006 |
| Last updated in NPPES | Dec 30, 2022 |
| Certified by provider | Dec 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 01066750A | IN |
| Internal Medicine, Medical Oncology | 207RX0202X | 01066750A | 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 - Hematology/Oncology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 680 |
|---|---|
| Services billed | 55,746 across 104 procedure codes |
| Paid by Medicare | $1,311,371 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,349 · 3,774 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $7,833,341 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Hematology/Oncology |
Medical groups
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
- Riverview HospitalNoblesville, IN · 211 clinicians
- Memorial HospitalLoganport, IN · 61 clinicians
Hospital affiliations
- Ascension St Vincent HospitalIndianapolis, IN
- Indiana University Health Frankfort IncFrankfort, IN
- Memorial HospitalLogansport, IN
- Riverview HealthNoblesville, IN
- Witham Health ServicesLebanon, IN
Other facilities
- Suburban Home Health LLCHome health agency · Noblesville, IN
Industry payments (Open Payments)
- 2025$25,012 · 94 payments from 32 companies
- 2024$16,391 · 52 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $11,231 | 23 |
| Incyte Corporation | $2,200 | 2 |
| Daiichi Sankyo Inc. | $1,879 | 6 |
| E.R. Squibb & Sons, L.L.C. | $1,878 | 10 |
| Janssen Biotech, Inc. | $1,809 | 3 |
What the 2025 payments were for
- Consulting Fee$19,608 · 14 payments
- Food and Beverage$2,240 · 64 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,450 · 4 payments
- Travel and Lodging$1,056 · 3 payments
- Long term medical supply or device loan$598.20 · 6 payments
- Education$60.00 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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