Mary Ling, MD
NPI 1891784005ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Warrenville, IL
Orthopaedic Surgery, Hand Surgery (MD) in Warrenville, Illinois, trained at Northwestern University Feinberg Medical School (class of 1993). 270 Medicare patients in 2024, $75,563 paid; all of their 62 Part D prescriptions were generic.
Overview
| NPI | 1891784005 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 19, 2005 |
| Last updated in NPPES | Apr 1, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 036100335 | 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 - Hand Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 270 |
|---|---|
| Services billed | 1,055 across 56 procedure codes |
| Paid by Medicare | $75,563 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 64 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $250.95 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Hand Surgery |
| Secondary specialties | Orthopedic Surgery |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
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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