Colleen Gibson, OD
NPI 1518590199ActiveIndividual· Optometrist· Littleton, CO
Optometrist (OD) in Littleton, Colorado, trained at Ohio State University - College of Optometry (class of 2019). In 2024 Medicare paid $13,444 for 127 patients, and Part D covered 91 of their prescriptions, 53% of them generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $47.61 in all, mostly food and beverage.
Overview
| NPI | 1518590199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2020 |
| Last updated in NPPES | Jan 14, 2025 |
| Certified by provider | Jan 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT.0003610 | CO |
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 - Optometry (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 204 across 12 procedure codes |
| Paid by Medicare | $13,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 149 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $19,422 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Ohio State University - College of Optometry |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Optometry |
Medical group
- Alex Zemke Od PLLCLakewood, CO · 4 clinicians
Industry payments (Open Payments)
- 2025$47.61 · 3 payments from 2 companies
- 2024$439.14 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $33.40 | 2 |
| Alcon Vision LLC | $14.21 | 1 |
What the 2025 payments were for
- Food and Beverage$47.61 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 70 optometrists in Littleton · All optometrists in Colorado