Theresa Marie Brennan, MD
NPI 1063400620ActiveIndividual· Internal Medicine, Cardiovascular Disease· Iowa City, IA
Internal Medicine, Cardiovascular Disease (MD) in Iowa City, Iowa, trained at Northwestern University Feinberg Medical School (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $103,917 for 1,013 claims, against $25,866 paid for services in 2024.
Overview
| NPI | 1063400620 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 7, 2005 |
| Last updated in NPPES | Jan 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 30434 | IA |
| Internal Medicine | 207R00000X | 30434 | IA |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 30434 | IA |
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 - Interventional Cardiology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 299 across 15 procedure codes |
| Paid by Medicare | $25,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,013 · 2,604 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $103,917 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Internal Medicine |
Medical group
- State University of IowaCoralville, IA · 1,897 clinicians
Hospital affiliation
- University of Iowa Hospital & ClinicsIowa City, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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