Alexander Scott Leidner, M.D.
NPI 1174918957ActiveIndividual· Internal Medicine, Nephrology· Chicago, IL
Internal Medicine, Nephrology (M.D.) in Chicago, Illinois, trained at University of Texas Southwestern Medical School at Dallas (class of 2015). In 2024 Medicare paid $96,003 for 330 patients, and Part D covered 147 of their prescriptions, 88% of them generic.
Overview
| NPI | 1174918957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 30, 2015 |
| Last updated in NPPES | Jul 12, 2021 |
| Certified by provider | Jul 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036146665 | IL |
| Internal Medicine | 207R00000X | 125 067013 | ID |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 330 |
|---|---|
| Services billed | 993 across 26 procedure codes |
| Paid by Medicare | $96,003 |
Part D prescriptions in 2024
| Prescriptions (claims) | 147 · 359 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $20,713 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Memorial HospitalChicago, IL
Other facilities
- Fmc - NorthwesternDialysis facility · Chicago, IL
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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