Dry Eye SyndromesLacrimal Apparatus DiseasesBetamethasone Sodium Phosphate 0.01%Cyclosporine 0.05% Ophthalmic EmulsionLifitegrast 5% Ophthalmic Solution
Dr. Karl E. Olsen, MD
NPI1275539629PAC ID9830285741
- Medicare services, 2024
- 3,045
- Medicare patients, 2024
- 1,343
- Part D claims, 2024
- 2,474
- Clinical trials
- 3
- MIPS score, 2024
- 91
- Practice address
- 1725 E Prospect Rd, Fort Collins, CO 80525
- Practice phone
- Call (970) 221-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye Center of Northern Colorado Surgery Center (E Prospect Rd)
Surgery Center - Not Medicare-Certified · Fort Collins, Colorado
Find Dr. Olsen's professional email, personal email and mobile number
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Dr. Karl E. Olsen is an ophthalmologist in Fort Collins, Colorado
Dr. Olsen practices at Eye Center of Northern Colorado Surgery Center (E Prospect Rd) in Fort Collins, Colorado.
Dr. Olsen's NPI, 1275539629, was assigned on June 21, 2005. Dr. Olsen graduated from Georgetown University School of Medicine in 1995. Dr. Olsen holds Colorado license 37735.
NPI and contact details
- NPI
- 1275539629NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830285741
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 221-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karl E. Olsen practices at Eye Center of Northern Colorado Surgery Center (E Prospect Rd) in Fort Collins, Colorado
Dr. Olsen's primary practice is Eye Center of Northern Colorado Surgery Center (E Prospect Rd), at 1725 E Prospect Rd, Fort Collins, CO 80525. The practice phone is (970) 221-2222.
- Eye Center of Northern Colorado Surgery Center (E Prospect Rd)1725 E Prospect Rd, Fort Collins, CO 80525Phone(970) 221-2222
Source: Dmand AI Affiliation Data
Dr. Karl E. Olsen is affiliated with 3 sites of care and 1 medical group
Dr. Olsen's primary practice is Eye Center of Northern Colorado Surgery Center (E Prospect Rd) in Fort Collins, Colorado. Dr. Olsen is also affiliated with UCHealth Poudre Valley Hospital. Dmand AI also links Dr. Olsen to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Olsen's employer is on file too: a surgery center (asc).
Eye Center of Northern Colorado Surgery Center (E Prospect Rd)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karl E. Olsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olsen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye Center of Northern Colorado Surgery Center (E Prospect Rd) | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karl E. Olsen is one of 258 ophthalmologists in Colorado
Ophthalmology is Dr. Olsen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Olsen is licensed in Colorado.
Specialties and state licenses
- Ophthalmology, ColoradoPrimary
Ophthalmologists near Dr. Olsen
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karl E. Olsen billed Medicare for 3,045 services in 2024
CMS data shows 3,045 Medicare services from Dr. Olsen across 13 procedure codes in 2024, for 1,343 Medicare patients. Medicare paid $381,215 for them.
Medicare services, 20243,045
Medicare patients1,343
Paid by Medicare$381,215
Procedure codes13
Dr. Olsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,4552024: 1,4731%
- Office and hospital visits
- 2023: 8212024: 98920%
- Surgery
- 2023: 5722024: 5832%
Where Dr. Olsen's Medicare services took place, 2024
- In an office2,46281%
- In a facility58319%
Dr. Olsen compared with the Colorado median for ophthalmologists, 2024
- Dr. Olsen
- Colorado median
- Medicare services
- 3,045vs 1,2292.5 times
- Medicare patients
- 1,343vs 5382.5 times
- Part D claims
- 2,341vs 4665.0 times
Medians across 266 ophthalmologists in Colorado with Dmand AI profiles that report each measure.
Dr. Olsen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl E. Olsen treated 1,343 Medicare patients in 2024, average age 76
CMS counts 1,343 Medicare patients who saw Dr. Olsen in 2024. The largest group is 65 to 74, with 605 patients. 72% of them have high cholesterol, and 59% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Olsen's median patient age at 76, with 63% women.
Medicare patients, 20241,343
Average age76
Average risk score0.98
Also on Medicaid3%
Dr. Olsen's Medicare patients by age, 2024
Dr. Olsen's Medicare patients by sex, 2024
- Women79059%
- Men55341%
Chronic conditions among Dr. Olsen's Medicare patients, 2024
- High cholesterol72%
- High blood pressure59%
- Arthritis44%
- Mood disorders21%
- Diabetes20%
- Depression19%
- Ischemic heart disease19%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Olsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karl E. Olsen wrote 2,474 Medicare Part D claims in 2024
In 2024, Dr. Olsen wrote 2,474 Medicare Part D claims for 588 patients. 59% of them were for generic drugs. CMS names the drug for 2,341 of them, across 26 drugs with 11 or more claims each, at $307,649 in total drug cost. In 2023, CMS named 1,558 claims across 21 drugs.
Part D claims, 20242,474
Drugs named by CMS26
Total drug cost$307,649
Part D patients588
Dr. Olsen's Part D claims by kind of drug, 2024
- Generic1,469 claims59%
- Brand-name1,005 claims41%
Dr. Olsen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Olsen's Part D claims, 2024
- Antibiotics1%18 of 2,474 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5582024: 2,34150%
Drugs named by CMS: 26 in 2024, 21 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Karl E. Olsen scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Olsen for performance year 2024, reported as part of a group. Dr. Olsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 665 procedures of cataract surgery by Dr. Olsen, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Olsen's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Olsen ranks in Medicare procedure volume
- Cataract surgery
- 97th percentile665 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Karl E. Olsen has worked on 3 clinical trials
Dmand AI links Dr. Olsen to 3 clinical trials, 2 of them phase 2 studies. Conditions studied include Dry Eye Syndromes, Lacrimal Apparatus Diseases and Cataract. Surface Ophthalmics, Inc. sponsors the most, 2.
Clinical trials with Dr. Olsen by phase
- NonePhase 1: no trials
- 2Phase 2: 2 trials
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. Olsen's trials
- Dry Eye Syndromes
- Lacrimal Apparatus Diseases
- Cataract
- Lens Diseases
Investigators on the most trials with Dr. Olsen
- Jason Bacharach, MD2 shared trials
- Gregory Mathis Brunin, MD2 shared trials
- Bret L. Fisher, MD2 shared trials
Recent clinical trials with Dr. Olsen
Dry Eye SyndromesLacrimal Apparatus Diseases0.02% Betamethasone Sodium Phosphate0.04% Betamethasone Sodium Phosphate
Safety and Efficacy of KPI-121 in Subjects With Postsurgical Inflammation and Pain (opens in a new tab)
CompletedPhase 3
CataractLens DiseasesKPI-121 1% Ophthalmic Suspension dosed BIDVehicle of KPI-121 Ophthalmic Suspension dosed BID
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karl E. Olsen received $41,390 in industry payments from 2016 to 2025
CMS Open Payments shows 368 general payments to Dr. Olsen from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 32% of the total. Alcon Laboratories Inc paid the most, $32,603.
General payments to Dr. Olsen by program year, 2016 to 2025
General payments to Dr. Olsen by kind, 2016 to 2025
$41.4Kin total
- Food and beverage$13,21132%
- Speaker and faculty fees$11,72528%
- Consulting fees$10,79926%
- Travel and lodging$5,47113%
- Other$1590%
Companies that paid Dr. Olsen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karl E. Olsen graduated from Georgetown University School of Medicine
Dr. Olsen graduated from Georgetown University School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl E. Olsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karl E. Olsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karl E. Olsen's NPI number?
Dr. Karl E. Olsen's NPI number is 1275539629. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl E. Olsen?
Dr. Karl E. Olsen is an ophthalmologist in Fort Collins, Colorado. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Karl E. Olsen practice?
Dr. Olsen practices at 1725 E Prospect Rd, Fort Collins, CO 80525. Dr. Olsen's primary practice is Eye Center of Northern Colorado Surgery Center (E Prospect Rd) in Fort Collins, Colorado. Dmand AI also links Dr. Olsen to 1 group practice or clinic and 1 medical group.
What is Dr. Karl E. Olsen's office phone number?
The practice phone on file for Dr. Olsen is (970) 221-2222.
What is Dr. Karl E. Olsen's medical license number?
Dr. Olsen holds Colorado license 37735.
Which hospitals is Dr. Karl E. Olsen affiliated with?
Dr. Olsen is affiliated with UCHealth Poudre Valley Hospital.
Does Dr. Karl E. Olsen accept Medicare?
Yes. CMS data shows Dr. Olsen billed Medicare for 3,045 services in 2024, and Dr. Olsen accepts Medicare assignment.
What is Dr. Karl E. Olsen's MIPS score?
Dr. Olsen's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Karl E. Olsen see?
CMS counts 1,343 Medicare patients who saw Dr. Olsen in 2024, with an average age of 76.
What services does Dr. Karl E. Olsen bill to Medicare?
In 2024, Dr. Olsen's most billed Medicare services were eye exam or test (92014), office visit, established patient (99214) and eye exam or test (92136).
Show 5 more questionsShow fewer questions
Where did Dr. Karl E. Olsen go to medical school?
Dr. Olsen graduated from Georgetown University School of Medicine in 1995.
What drugs does Dr. Karl E. Olsen prescribe most?
In 2024 Medicare Part D data, Dr. Olsen's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Prednisolone Acetate.
Has Dr. Karl E. Olsen received payments from drug or device companies?
CMS Open Payments shows $41,390 in general payments to Dr. Olsen from 31 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Karl E. Olsen been practicing?
Dr. Olsen graduated from medical school in 1995, 31 years ago.
Does Dr. Karl E. Olsen do research?
Dr. Olsen has worked on 3 clinical trials.
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