Christopher Michael Brennan, OD
NPI 1801806625ActiveIndividual· Optometrist· Philadelphia, PA
Optometrist (OD) in Philadelphia, Pennsylvania, trained at Pennsylvania College of Optometry (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $600,340 for 2,690 claims, against $41,619 paid for services in 2024. Alcon Vision LLC was the largest of 5 companies reporting payments in 2025, $386.39 in all, mostly food and beverage.
Overview
| NPI | 1801806625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Jul 13, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OEG001784 | PA |
| Optometrist | 152W00000X | I30001318 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 381 |
|---|---|
| Services billed | 585 across 14 procedure codes |
| Paid by Medicare | $41,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,690 · 3,679 30-day fills |
|---|---|
| Patients | 595 |
| Total drug cost | $600,340 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Optometry |
Medical group
- Einstein Practice Plan IncElkins Park, PA · 794 clinicians
Hospital affiliation
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$386.39 · 15 payments from 5 companies
- 2024$309.90 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $155.49 | 6 |
| Sun Pharmaceutical Industries Inc. | $85.11 | 4 |
| Bausch & Lomb Americas Inc. | $78.28 | 3 |
| Mallinckrodt Hospital Products Inc. | $38.25 | 1 |
| Harrow Eye, LLC | $29.26 | 1 |
What the 2025 payments were for
- Food and Beverage$386.39 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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