Kenneth Hayes, M.D.
NPI 1700812872ActiveIndividual· Internal Medicine· Chicago, IL
Internal Medicine (M.D.) in Chicago, Illinois, trained at Rush Medical College of Rush University (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $409,992 for 2,701 claims, against $74,389 paid for services in 2024. Exact Sciences Corporation reported $19.28 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1700812872 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | — | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 863 across 26 procedure codes |
| Paid by Medicare | $74,389 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,701 · 6,957 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $409,992 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Home Care ExpertsHome health agency · Burr Ridge, IL
Industry payments (Open Payments)
- 2025$19.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $19.28 | 1 |
What the 2025 payments were for
- Food and Beverage$19.28 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 3,299 internal medicine physicians in Chicago · All internal medicine physicians in Illinois