Mark Dieterich, M.D.
NPI 1043267461ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Evanston, IL
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Evanston, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 1989). Medicare paid $60,868 for services to 694 patients in 2024. Astrazeneca Pharmaceuticals LP reported $19.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043267461 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Apr 25, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 036090861 | IL |
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 - Pathology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 694 |
|---|---|
| Services billed | 2,127 across 27 procedure codes |
| Paid by Medicare | $60,868 |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Pathology |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$19.01 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $19.01 | 1 |
What the 2025 payments were for
- Food and Beverage$19.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 pathologists in Evanston · All pathologists in Illinois