Brian Patrick Flanagan, M.D.
NPI 1336428010ActiveIndividual· Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery· Crystal Lake, IL
Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery (M.D.) in Crystal Lake, Illinois, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 2011). 757 Medicare patients in 2024, $382,597 paid; all of their 2,196 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $889.33 in all, mostly food and beverage.
Overview
| NPI | 1336428010 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 11, 2011 |
| Last updated in NPPES | Oct 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery Primary | 207XS0114X | 036-142459 | 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 - Orthopedic Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 757 |
|---|---|
| Services billed | 9,005 across 57 procedure codes |
| Paid by Medicare | $382,597 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,196 · 2,812 30-day fills |
|---|---|
| Patients | 676 |
| Total drug cost | $28,884 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
Other facilities
- Amedisys Home HealthHome health agency · Lake Zurich, IL
- Aspire Home Healthcare, LLCHome health agency · Morton Grove, IL
- Astra Health WestHome health agency · Elgin, IL
- Home Care ExpertsHome health agency · Burr Ridge, IL
- Loyal Home HealthHome health agency · Hoffman Estates, IL
Industry payments (Open Payments)
- 2025$889.33 · 22 payments from 2 companies
- 2024$508.42 · 10 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $764.96 | 21 |
| Zimmer Biomet Holdings, Inc. | $124.37 | 1 |
What the 2025 payments were for
- Food and Beverage$889.33 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records