Douglas A. Lee, MD
NPI 1144229949ActiveIndividual· Specialist· Oak Lawn, IL
Specialist (MD) in Oak Lawn, Illinois, trained at Northwestern University Feinberg Medical School (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $405,223 for 1,360 claims, against $122,806 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $177.66 in all, mostly food and beverage.
Overview
| NPI | 1144229949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 14, 2005 |
| Last updated in NPPES | Jan 27, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 036-087086 | 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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 604 |
|---|---|
| Services billed | 1,133 across 31 procedure codes |
| Paid by Medicare | $122,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,360 · 2,815 30-day fills |
|---|---|
| Patients | 398 |
| Total drug cost | $405,223 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gi Partners of Illinois PLLCLibertyville, IL · 39 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Industry payments (Open Payments)
- 2025$177.66 · 8 payments from 4 companies
- 2024$196.81 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $74.08 | 4 |
| Pfizer Inc. | $56.53 | 2 |
| Genzyme Corporation | $24.43 | 1 |
| Novo Nordisk Inc | $22.62 | 1 |
What the 2025 payments were for
- Food and Beverage$177.66 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Oak Lawn
- 1346388774
- 1417932955
- 1457359697
- 1003000845
- 1023138633
- 1023225331
- 1033121421
- 1073630661
- 1124148739
- 1134531973
- 1164457701
- 1215076708
All 30 Specialist providers in Oak Lawn · All Specialist providers in Illinois