Konstantin Umanskiy, MD
NPI 1033310909ActiveIndividual· Colon & Rectal Surgery· Chicago, IL
Colon & Rectal Surgery (MD) with University of Chicago and 1 other group, practicing in Chicago, Illinois. In 2024 Medicare paid $48,230 for 134 patients, and Part D covered 93 of their prescriptions, 88% of them generic. Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $3,250 in all, mostly education. Lists Ingalls Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1033310909 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 30, 2007 |
| Last updated in NPPES | Aug 18, 2025 |
| Certified by provider | Aug 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 036117911 | IL |
| Colon & Rectal Surgery | 208C00000X | 01095972A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Colorectal Surgery (Proctology) (IL); Practitioner - Colorectal Surgery (Proctology) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 213 across 44 procedure codes |
| Paid by Medicare | $48,230 |
Part D prescriptions in 2024
| Prescriptions (claims) | 93 · 93 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $5,629 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliations
- Ingalls Memorial HospitalHarvey, IL
- The University of Chicago Medical CenterChicago, IL
- Uchicago Medicine Northwest IndianaCrown Point, IN
Industry payments (Open Payments)
- 2025$3,250 · 4 payments from 3 companies
- 2024$1,526 · 10 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3,000 | 2 |
| Ethicon US, LLC | $150.00 | 1 |
| Baxter Healthcare | $100.00 | 1 |
What the 2025 payments were for
- Education$3,000 · 2 payments
- Food and Beverage$250.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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