Karl Nephi Olsen, P.A.-C.
Physician Assistant · Aurora, CO
Karl Nephi Olsen, P.A.-C. is a physician assistant with a practice address in Aurora, Colorado, and NPI 1801041231, issued on Nov 26, 2008. Check the license (Colorado 1534, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karl Nephi Olsen
- Credential
- P.A.-C.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1534 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1360 S Potomac St, Aurora, CO 80012
- Phone
- (303) 337-5575
- Enumerated
- Nov 26, 2008
- Record last updated
- Jun 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 49706217 CO
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 1360 S Potomac St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne Bader, PAPhysician Assistant1619245867
- David Baez, MDInternal Medicine Physician1407896830
- Devanith Chavez Figueroa, PA-CMedical Physician Assistant1356212187
- Julia Constantine, PA-CPhysician Assistant1083286934
- David Cook, P.A.Internal Medicine Physician1144316183
- Dylan Dick, PA-CPhysician Assistant1881216729
Verify Karl Nephi Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 1534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average physician assistant in 2024
906 Medicare Part D claims for 121 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium63 claims
- Amlodipine Besylate40 claims
- Lisinopril40 claims
- Oxycodone-Acetaminophen37 claims
- Losartan Potassium29 claims
- Famotidine27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.53
1 payment: food and beverage; the largest payer was Dexcom, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karl Nephi Olsen among 3,767 physician assistant records in Colorado
Karl Nephi Olsen, P.A.-C. is one of 3,767 physician assistant records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 24% of them.
- NPI issued2008 · 24% of these records are older, 72% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2012 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
279 physician assistant records list a practice address in Aurora
They are 279 of the 17,400 NPPES records with a practice address in Aurora, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Aurora → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sandra Bemski, PACAurora, CO 800121033164090
- Rebecca Bontrager, PAAurora, CO 800121134202617
- Tyre Concagh, PA-CAurora, CO 800121982615605
- Sheila Hastings, P.A.Aurora, CO 800121497741250
- Amber Herrick, PA-CAurora, CO 800121538318662
- Travis Jones, PAAurora, CO 800121164505343
- Chad Lucci, PA-CAurora, CO 800121023261963
- Dana McCroskey, PA-CAurora, CO 800121922146828
Common questions
What is Karl Nephi Olsen, P.A.-C.'s NPI number?
Karl Nephi Olsen, P.A.-C.'s National Provider Identifier (NPI) is 1801041231, issued on Nov 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karl Nephi Olsen, P.A.-C. located?
The NPPES record lists a practice address at 1360 S Potomac St, Aurora, CO, 80012. Phone: (303) 337-5575. Providers update this record themselves, so call before visiting.
How can I verify Karl Nephi Olsen, P.A.-C.'s license?
NPPES lists Colorado license number 1534, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Karl Nephi Olsen, P.A.-C. prescribe under Medicare Part D?
In 2024, Karl Nephi Olsen, P.A.-C. had 906 Medicare Part D claims for 121 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.