Margaret Mary Hannon, MD
NPI 1336156751ActiveIndividual· Family Medicine· Hinsdale, IL
Family Medicine (MD) in Hinsdale, Illinois, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $560,594 for 8,912 claims, against $104,262 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $466.41 in all, mostly food and beverage.
Overview
| NPI | 1336156751 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Aug 29, 2023 |
| Certified by provider | Aug 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036078191 | 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 | 352 |
|---|---|
| Services billed | 3,010 across 102 procedure codes |
| Paid by Medicare | $104,262 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,912 · 21,099 30-day fills |
|---|---|
| Patients | 724 |
| Total drug cost | $560,594 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Loyola University Medical CenterMaywood, IL
- Uchicago Medicine Adventhealth BolingbrookBolingbrook, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
- Uchicago Medicine Adventhealth la GrangeLa Grange, IL
Other facilities
- Uchicago Medicine Adventhealth Home CareHome health agency · La Grange, IL
- Plymouth PlaceNursing home · La Grange Park, IL
Industry payments (Open Payments)
- 2025$466.41 · 21 payments from 11 companies
- 2024$777.82 · 37 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $108.27 | 4 |
| Pfizer Inc. | $68.44 | 3 |
| Sequel Med Tech, LLC | $67.41 | 3 |
| Abbvie Inc. | $40.45 | 2 |
| Abbott Laboratories | $35.56 | 2 |
What the 2025 payments were for
- Food and Beverage$466.41 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 family medicine physicians in Hinsdale · All family medicine physicians in Illinois