Roy F. Houlahan, MD
NPI 1720011752ActiveIndividual· Family Medicine· Oswego, IL
Family Medicine (MD) in Oswego, Illinois, trained at Rush Medical College of Rush University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $332,814 for 7,916 claims, against $125,232 paid for services in 2024.
Overview
| NPI | 1720011752 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Jun 17, 2025 |
| Certified by provider | Jun 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036-107473 | 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 | 389 |
|---|---|
| Services billed | 3,560 across 32 procedure codes |
| Paid by Medicare | $125,232 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,916 · 20,297 30-day fills |
|---|---|
| Patients | 660 |
| Total drug cost | $332,814 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Copley Memorial HospitalAurora, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- Dmj Home Health Services, IncHome health agency · Aurora, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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