Isabelle Dirksen
Physician Assistant · Lafayette, CO
Isabelle Dirksen is a physician assistant with a practice address in Lafayette, Colorado, and NPI 1457011991, issued on Dec 25, 2021. Check the license (Colorado 0007779, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isabelle Dirksen
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0007779 CO
Self-reported in NPPES; status is on the state search - Practice location
- 340 Exempla Cir Ste 300, Lafayette, CO 80026
- Phone
- (303) 673-1390
- Enumerated
- Dec 25, 2021
- Record last updated
- Apr 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230303001125); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 340 Exempla Cir Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isabelle Dirksen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 0007779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
92 Medicare Part D claims for 56 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Methocarbamol36 claims
- Oxycodone Hcl22 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: $138.75
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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.
Bills Medicare through one group practice
- Intermountain Medical Group Denver LLCBroomfield, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabelle Dirksen among 3,767 physician assistant records in Colorado
Isabelle Dirksen 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 2021, is newer than 72% of them.
- NPI issued2021 · 72% of these records are older, 21% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2017 among the 2,351 with a school on file
- Record last updated2023 · 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).
42 physician assistant records list a practice address in Lafayette
They are 42 of the 1,905 NPPES records with a practice address in Lafayette, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Lafayette → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Patricia Arbuckle, PALafayette, CO 800261912037771
- Nicole Cable, PALafayette, CO 800261457572190
- Brian Drake, PA-CLafayette, CO 800261447436423
- Tracey Duncan, PALafayette, CO 800261083646129
- Michael Fitzgerald, PA-CLafayette, CO 800261427191972
- Michael Frey, PA-CLafayette, CO 800261073640025
- Howard Garling, PA-CLafayette, CO 800261366585820
- Greg Glick, PACLafayette, CO 800261265401756
Common questions
What is Isabelle Dirksen's NPI number?
Isabelle Dirksen's National Provider Identifier (NPI) is 1457011991, issued on Dec 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Isabelle Dirksen located?
The NPPES record lists a practice address at 340 Exempla Cir Ste 300, Lafayette, CO, 80026. Phone: (303) 673-1390. Providers update this record themselves, so call before visiting.
How can I verify Isabelle Dirksen's license?
NPPES lists Colorado license number 0007779, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Isabelle Dirksen prescribe under Medicare Part D?
In 2024, Isabelle Dirksen had 92 Medicare Part D claims for 56 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.