Kenneth D. Chi, MD
NPI 1821070939ActiveIndividual· Internal Medicine, Gastroenterology· Glenview, IL
Internal Medicine, Gastroenterology (MD) in Glenview, Illinois, trained at Wayne State University School of Medicine (class of 1998). In 2024 Medicare paid $160,240 for 465 patients, and Part D covered 638 of their prescriptions, 61% of them generic. Olympus Medical Systems Corporation was the largest of 15 companies reporting payments in 2025, $2,580 in all, mostly food and beverage.
Overview
| NPI | 1821070939 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Dec 16, 2021 |
| Certified by provider | Dec 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036104080 | 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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 465 |
|---|---|
| Services billed | 3,844 across 58 procedure codes |
| Paid by Medicare | $160,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 638 · 985 30-day fills |
|---|---|
| Patients | 313 |
| Total drug cost | $229,687 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Illinois Gastroenterology Group LLCArlington Heights, IL · 115 clinicians
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Advocate Lutheran General HospitalPark Ridge, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
- 2025$2,580 · 42 payments from 15 companies
- 2024$825.85 · 34 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Medical Systems Corporation | $875.00 | 1 |
| Boston Scientific Corporation | $840.98 | 6 |
| Abbvie Inc. | $256.45 | 11 |
| Janssen Biotech, Inc. | $132.23 | 4 |
| Ipsen Biopharmaceuticals, Inc | $82.65 | 3 |
What the 2025 payments were for
- Food and Beverage$1,100 · 38 payments
- Consulting Fee$875.00 · 1 payment
- Travel and Lodging$604.33 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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