Katherine Grunzweig, MD
NPI 1902268279ActiveIndividual· Surgery, Plastic and Reconstructive Surgery· Maywood, IL
Surgery, Plastic and Reconstructive Surgery (MD) with Loyola University Medical Center, practicing in Maywood, Illinois. Mostly services rather than prescriptions: Medicare paid $12,389 for 41 patients in 2024, with only 18 Part D claims. Rti Surgical, Inc was the largest of 5 companies reporting payments in 2025, $605.80 in all, mostly food and beverage. Lists Loyola University Medical Center as a hospital affiliation.
Overview
| NPI | 1902268279 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 24, 2016 |
| Last updated in NPPES | Mar 18, 2024 |
| Certified by provider | Mar 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Plastic and Reconstructive Surgery Primary | 2086S0122X | 036.163993 | 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 - Plastic and Reconstructive Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 102 across 31 procedure codes |
| Paid by Medicare | $12,389 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Total drug cost | $269.23 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Plastic And Reconstructive Surgery |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliation
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$605.80 · 10 payments from 5 companies
- 2024$619.31 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rti Surgical, Inc | $141.28 | 1 |
| Polynovo North America LLC | $131.78 | 2 |
| Abbvie Inc. | $130.00 | 1 |
| Kerecis Limited | $104.49 | 5 |
| Skeletal Dynamics Inc | $98.25 | 1 |
What the 2025 payments were for
- Food and Beverage$605.80 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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