Christopher Brenner, MD
NPI 1629020102ActiveIndividual· Family Medicine· Countryside, IL
Family Medicine (MD) in Countryside, Illinois, trained at University of Colorado School of Medicine, Denver (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $323,643 for 5,263 claims, against $66,458 paid for services in 2024. Amgen Inc. was the largest of 11 companies reporting payments in 2025, $534.59 in all, mostly food and beverage.
Overview
| NPI | 1629020102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036073572 | 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 | 315 |
|---|---|
| Services billed | 963 across 17 procedure codes |
| Paid by Medicare | $66,458 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,263 · 12,394 30-day fills |
|---|---|
| Patients | 506 |
| Total drug cost | $323,643 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Family Practice |
Medical group
- Nani Internal Med LLCWestmont, IL · 5 clinicians
Hospital affiliations
- Loyola University Medical CenterMaywood, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
- Uchicago Medicine Adventhealth BolingbrookBolingbrook, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
- Uchicago Medicine Adventhealth la GrangeLa Grange, IL
Other facilities
- Loyola Medicine Home CareHome health agency · Oak Brook, IL
- Uchicago Medicine Adventhealth Home CareHome health agency · La Grange, IL
Industry payments (Open Payments)
- 2025$534.59 · 27 payments from 11 companies
- 2024$138.15 · 8 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $93.94 | 5 |
| Otsuka America Pharmaceutical, Inc. | $78.19 | 4 |
| Pfizer Inc. | $65.22 | 3 |
| Lilly USA, LLC | $62.72 | 3 |
| Novo Nordisk Inc | $54.37 | 3 |
What the 2025 payments were for
- Food and Beverage$534.59 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Countryside
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- 1609993765