Darren J. Klassen, PA-C
Physician Assistant · Nampa, ID
Darren J. Klassen, PA-C is a physician assistant with a practice address in Nampa, Idaho, and NPI 1861779829, issued on Nov 4, 2011. Check the license (Idaho PA945, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darren J. Klassen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA945 ID
Self-reported in NPPES; status is on the state search - Practice location
- 223 16TH Ave N, Nampa, ID 83687
- Phone
- (208) 466-7869
- Enumerated
- Nov 4, 2011
- Record last updated
- Dec 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (208) 466-5359
- Medicaid ID
- 1861779829 ID
- Medicare enrollment
- Enrolled (PECOS I20111130000593); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,250 in Idaho → Look up another NPI →
Also registered at 223 16TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Albrecht, PAPhysician Assistant1871620435
- Julia Barcelo, PA-CMedical Physician Assistant1225287535
- Stuart Black, M.D.Family Medicine Physician1053351361
- Glenda Carr, PHARMDPharmacotherapy Pharmacist1356410096
- Craig Christiansen, FNPFamily Nurse Practitioner1720187875
- Carolyn Eardley, LMSWSocial Worker1669658811
Verify Darren J. Klassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license PA945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average physician assistant in 2024
937 Medicare Part D claims for 178 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta149 claims
- Albuterol Sulfate Hfa112 claims
- Fluticasone-Salmeterol47 claims
- Fluticasone Propionate36 claims
- Symbicort35 claims
- Budesonide-Formoterol Fumarate33 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: $189.32
5 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. 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
- St Lukes Clinic-Treasure Valley LLCBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren J. Klassen among 1,250 physician assistant records in Idaho
Darren J. Klassen, PA-C is one of 1,250 physician assistant records with a practice address in Idaho. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 30% of them.
- NPI issued2011 · 30% of these records are older, 66% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2011 · median 2017 among the 961 with a school on file
- Record last updated2012 · 35% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 physician assistant records list a practice address in Nampa
They are 96 of the 2,005 NPPES records with a practice address in Nampa, and 1,250 physician assistant records in Idaho.
All 1,250 in Idaho → Every provider in Nampa → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jeffrey Albrecht, PANampa, ID 836871871620435
- Amber Bock, PACNampa, ID 836871770822074
- Camille Buchmiller, PANampa, ID 836871194092890
- Kedron Burnett, PA-CNampa, ID 836871023148210
- David Clements, PA-CNampa, ID 836871114917168
- Christian Crawford, PACNampa, ID 836871427303478
- Diana Dice, PA-CNampa, ID 836871801138227
- Bryan Johnson, PA-CNampa, ID 836871508872763
Common questions
What is Darren J. Klassen, PA-C's NPI number?
Darren J. Klassen, PA-C's National Provider Identifier (NPI) is 1861779829, issued on Nov 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Darren J. Klassen, PA-C located?
The NPPES record lists a practice address at 223 16TH Ave N, Nampa, ID, 83687. Phone: (208) 466-7869. Providers update this record themselves, so call before visiting.
How can I verify Darren J. Klassen, PA-C's license?
NPPES lists Idaho license number PA945, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Darren J. Klassen, PA-C prescribe under Medicare Part D?
In 2024, Darren J. Klassen, PA-C had 937 Medicare Part D claims for 178 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.