Karl Olsen, M.D.
NPI 1275539629 · Ophthalmology Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Olsen, M.D. is a Ophthalmology Physician provider in Fort Collins, CO (NPI 1275539629).
Provider details
- NPI number
- 1275539629
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 37735 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,045 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 661 | $128 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 531 | $128 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 451 | $40 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 392 | $538 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 343 | $91 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 167 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 552 | 177 |
| Timolol Maleate | 310 | 90 |
| Prednisolone Acetate | 290 | 171 |
| Ketorolac Tromethamine | 192 | 98 |
| Bimatoprostbrand: Lumigan | 152 | 42 |
| Moxifloxacin Hclbrand: Moxifloxacin | 129 | 80 |
| Ofloxacin | 124 | 71 |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,581 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2007-09-25
Frequently asked questions
- What is Karl Olsen's NPI number?
- Karl Olsen's National Provider Identifier (NPI) is 1275539629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Olsen's specialty?
- Karl Olsen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Olsen located?
- Karl Olsen's practice location on file with NPPES is 1725 E Prospect Rd, Fort Collins, CO 80525-1307.
- What is Karl Olsen's phone number?
- The practice phone number listed in the NPPES registry for Karl Olsen is (970) 221-2222.
- Does Karl Olsen accept Medicare?
- Karl Olsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Olsen's NPI active?
- Yes — Karl Olsen's NPI (1275539629) is active in the NPPES registry as of the last update on 2007-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.