Justin S. Nielsen, PAC
Physician Assistant · Idaho Falls, ID
Justin S. Nielsen, PAC is a physician assistant with a practice address in Idaho Falls, Idaho, and NPI 1235443193, issued on Aug 3, 2010. Check the license (Idaho PA-1255, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin S. Nielsen
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA-1255 ID
002097 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2985 Cortez Ave, Idaho Falls, ID 83404
- Phone
- (208) 523-3373
- Enumerated
- Aug 3, 2010
- Record last updated
- Mar 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (208) 523-8746
- Medicare enrollment
- Enrolled (PECOS I20150730012740); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2985 Cortez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Chambers, M.D.Cardiovascular Disease Physician1578568242
- David DayMedical Physician Assistant1073234068
- George Garcia, MDCardiovascular Disease Physician1548266315
- Paul Gerlach, MDCardiovascular Disease Physician1215025648
Verify Justin S. Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license PA-1255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average physician assistant in 2024
688 Medicare Part D claims for 330 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Prednisone84 claims
- Azithromycin62 claims
- Sulfamethoxazole-Trimethoprim52 claims
- Amoxicillin-Clavulanate Potass51 claims
- Albuterol Sulfate Hfa40 claims
- Doxycycline Hyclate40 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: $200.31
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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
- Mountain View Hospital LLCIdaho Falls, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
98 physician assistant records list a practice address in Idaho Falls
They are 98 of the 2,467 NPPES records with a practice address in Idaho Falls, and 1,250 physician assistant records in Idaho.
All 98 in Idaho Falls → All 1,250 in Idaho → Every provider in Idaho Falls →
Other physician assistant records in Idaho
- Hodaka Abe, PACaldwell, ID1013299866
- Patrick AbelTwin Falls, ID1689304917
- Mark Ackerman, PACOrofino, ID1710093612
- Alan Adams, PA-CIdaho Falls, ID1891188348
- Jonathan Adams, P.A.-CHayden, ID1285913970
- Serena Adams, PA-CIdaho Falls, ID1669543450
- Emily Adofo EmmertLewiston, ID1891641734
- Derek Ahlstrom, PABoise, ID1174096606
- Charlotte Ainge, PACPotlatch, ID1689661050
- Jeffrey Albrecht, PANampa, ID1871620435
Common questions
What is Justin S. Nielsen, PAC's NPI number?
Justin S. Nielsen, PAC's National Provider Identifier (NPI) is 1235443193, issued on Aug 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Justin S. Nielsen, PAC located?
The NPPES record lists a practice address at 2985 Cortez Ave, Idaho Falls, ID, 83404. Phone: (208) 523-3373. Providers update this record themselves, so call before visiting.
How can I verify Justin S. Nielsen, PAC's license?
NPPES lists Idaho license number PA-1255, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Justin S. Nielsen, PAC prescribe under Medicare Part D?
In 2024, Justin S. Nielsen, PAC had 688 Medicare Part D claims for 330 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.