Karl E. Olsen, M.D.
NPI 1275539629ActiveIndividual· Ophthalmology· Fort Collins, CO
Ophthalmology (M.D.) in Fort Collins, Colorado, trained at Georgetown University School of Medicine (class of 1995). In 2024 Medicare paid $400,858 for 1,343 patients, and Part D covered 2,474 of their prescriptions, 59% of them generic. Alcon Vision LLC was the largest of 10 companies reporting payments in 2025, $2,074 in all, mostly food and beverage.
Overview
| NPI | 1275539629 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2005 |
| Last updated in NPPES | Sep 25, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 37735 | 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 - Ophthalmology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,343 |
|---|---|
| Services billed | 3,151 across 47 procedure codes |
| Paid by Medicare | $400,858 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,474 · 4,204 30-day fills |
|---|---|
| Patients | 588 |
| Total drug cost | $343,324 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Ophthalmology |
Medical group
- Eye Center of Northern Colorado PCLakewood, CO · 71 clinicians
Hospital affiliation
- Poudre Valley HospitalFort Collins, CO
Industry payments (Open Payments)
- 2025$2,074 · 49 payments from 10 companies
- 2024$1,581 · 23 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $1,344 | 26 |
| Glaukos Corporation | $166.81 | 2 |
| Abbvie Inc. | $136.34 | 8 |
| Harrow Eye, LLC | $135.48 | 2 |
| Sun Pharmaceutical Industries Inc. | $75.68 | 3 |
What the 2025 payments were for
- Food and Beverage$1,341 · 47 payments
- Consulting Fee$697.50 · 1 payment
- Gift$36.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 ophthalmologists in Fort Collins · All ophthalmologists in Colorado