Karl Olsen, P.A.-C.
NPI 1801041231 · Physician Assistant · Aurora, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Olsen, P.A.-C. is a Physician Assistant provider in Aurora, CO (NPI 1801041231).
Provider details
- NPI number
- 1801041231
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C.
- Sex
- Male
- Sole proprietor
- No
- License
- 1534 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 63 | 25 |
| Lisinopril | 40 | 18 |
| Amlodipine Besylate | 40 | 15 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 37 | — |
| Losartan Potassium | 29 | 13 |
| Famotidine | 27 | — |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2008-11-26
- Last updated
- 2012-06-07
Frequently asked questions
- What is Karl Olsen's NPI number?
- Karl Olsen's National Provider Identifier (NPI) is 1801041231, 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 Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karl Olsen located?
- Karl Olsen's practice location on file with NPPES is 1360 S Potomac St, Aurora, CO 80012-4505.
- What is Karl Olsen's phone number?
- The practice phone number listed in the NPPES registry for Karl Olsen is (303) 337-5575.
- 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 (1801041231) is active in the NPPES registry as of the last update on 2012-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.