Mary C. Hutton, MD
NPI 1164415808ActiveIndividual· Family Medicine· Oak Park, IL
Family Medicine (MD) in Oak Park, Illinois, trained at Medical College of Ohio (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $252,731 for 3,639 claims, against $60,921 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $167.26 in all, mostly food and beverage.
Overview
| NPI | 1164415808 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 29, 2005 |
| Last updated in NPPES | Feb 4, 2026 |
| Certified by provider | Feb 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036-077730 | 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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 188 |
|---|---|
| Services billed | 736 across 35 procedure codes |
| Paid by Medicare | $60,921 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,639 · 9,293 30-day fills |
|---|---|
| Patients | 355 |
| Total drug cost | $252,731 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
- Rush Oak Park HospitalOak Park, IL
Other facilities
- Unity Hospice of Chicagoland, LLCHospice · Chicago, IL
Industry payments (Open Payments)
- 2025$167.26 · 3 payments from 3 companies
- 2024$20.18 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $114.46 | 1 |
| Organon LLC | $29.12 | 1 |
| Amgen Inc. | $23.68 | 1 |
What the 2025 payments were for
- Food and Beverage$167.26 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 100 family medicine physicians in Oak Park · All family medicine physicians in Illinois