Mary Louise Collins, M.D.
NPI 1063431724ActiveIndividual· Ophthalmology· Baltimore, MD
Ophthalmology (M.D.) in Baltimore, Maryland, trained at Georgetown University School of Medicine (class of 1988). Medicare paid $18,246 for services to 310 patients in 2024. E.R. Squibb & Sons, L.L.C. reported $121.51 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1063431724 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Dec 7, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | D44743 | MD |
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 - Ophthalmology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 310 |
|---|---|
| Services billed | 538 across 13 procedure codes |
| Paid by Medicare | $18,246 |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Ophthalmology |
Medical group
- Greater Baltimore Medical CenterTowson, MD · 354 clinicians
Industry payments (Open Payments)
- 2025$121.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $121.51 | 1 |
What the 2025 payments were for
- Food and Beverage$121.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 265 ophthalmologists in Baltimore · All ophthalmologists in Maryland