Susan E. Quaggin, MD
NPI 1164865408ActiveIndividual· Internal Medicine, Nephrology· Chicago, IL
Internal Medicine, Nephrology (MD) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. Medicare paid $2,530 for services to 17 patients in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $50,484 in all, mostly travel and lodging. Lists Northwestern Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1164865408 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 16, 2013 |
| Last updated in NPPES | Apr 16, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 336093221 | 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 - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 31 across 5 procedure codes |
| Paid by Medicare | $2,530 |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$50,484 · 18 payments from 2 companies
- 2024$89,312 · 14 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $33,629 | 11 |
| F. Hoffmann-La Roche Ag | $16,855 | 7 |
What the 2025 payments were for
- Travel and Lodging$31,534 · 8 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,663 · 1 payment
- Consulting Fee$6,793 · 3 payments
- Food and Beverage$4,493 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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