Aaron Leonard Klein, M.D.
NPI 1467623082ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Mount Vernon, IL
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) with New Gi PC, practicing in Mount Vernon, Illinois. Medicare paid $69,464 for services to 553 patients in 2024.
Overview
| NPI | 1467623082 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 23, 2008 |
| Last updated in NPPES | Jan 2, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 036133987 | IL |
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 (IA); Practitioner - Pathology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 553 |
|---|---|
| Services billed | 2,744 across 7 procedure codes |
| Paid by Medicare | $69,464 |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- New Gi PCWaterloo, IA · 25 clinicians
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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