Ian Sean Hagemann, MD
NPI 1275795569ActiveIndividual· Pathology, Anatomic Pathology· Saint Louis, MO
Pathology, Anatomic Pathology (MD) in Saint Louis, Missouri, trained at Washington University School of Medicine (class of 2008). Medicare paid $25,416 for services to 206 patients in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $12,176 in all, mostly consulting fees.
Overview
| NPI | 1275795569 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2008 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | 2011001458 | MO |
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 - Pathology (IL); Practitioner - Pathology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 684 across 15 procedure codes |
| Paid by Medicare | $25,416 |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Pathology |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
Industry payments (Open Payments)
- 2025$12,176 · 6 payments from 3 companies
- 2024$7,865 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $12,068 | 4 |
| Glaxosmithkline, LLC. | $90.33 | 1 |
| Roche Diagnostics Corporation | $18.21 | 1 |
What the 2025 payments were for
- Consulting Fee$12,068 · 4 payments
- Food and Beverage$108.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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