Katherine O'Brien, MD
NPI 1033452479ActiveIndividual· Internal Medicine, Hospice and Palliative Medicine· Saint Louis, MO
Internal Medicine, Hospice and Palliative Medicine (MD) in Saint Louis, Missouri, trained at Georgetown University School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $107,677 for 1,312 claims, against $34,381 paid for services in 2024.
Overview
| NPI | 1033452479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2013 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Jun 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hospice and Palliative Medicine Primary | 207RH0002X | 2023008636 | MO |
| Internal Medicine | 207R00000X | 2023008636 | MO |
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 - Geriatric Medicine (IL); Practitioner - Hospice/Palliative Care (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 294 across 9 procedure codes |
| Paid by Medicare | $34,381 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,312 · 1,436 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $107,677 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Hospice/Palliative Care |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliation
- Barnes Jewish HospitalSaint Louis, MO
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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