Katelyn Nielsen
Physician Assistant · Ontario, OR
Katelyn Nielsen is a physician assistant with a practice address in Ontario, Oregon, and NPI 1649900663, issued on Jun 13, 2022. Check the license (Oregon PA217656, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katelyn Nielsen
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA217656 OR
PA2694 ID
Self-reported in NPPES; status is on the state search - Practice location
- 840 SW 4TH Ave Ste 105, Ontario, OR 97914
- Phone
- (418) 892-6685
- Enumerated
- Jun 13, 2022
- Record last updated
- Jan 14, 2026
- Fax
- (541) 889-2997
- Medicaid ID
- 500830651 OR
- Medicare enrollment
- Enrolled (PECOS I20250623003958); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 840 SW 4TH Ave Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maggie Bonilla, DOFamily Medicine Physician1649705492
- Christine Davenport-Welter, MD, MPHFamily Medicine Physician1659831386
- Bodie DavisMental Health Counselor1811601081
- Shannon Hemphill, LMSWSocial Worker1982544169
- Nicole Heywood, PA-CPhysician Assistant1831564954
- Brittany Jones, PA-CPhysician Assistant1013647791
Verify Katelyn Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA217656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $36.77
2 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, 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.
Katelyn Nielsen among 2,094 physician assistant records in Oregon
Katelyn Nielsen is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.
- NPI issued2022 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2020 · median 2017 among the 1,552 with a school on file
- Record last updated2026 · 37% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 physician assistant records list a practice address in Ontario
They are 16 of the 603 NPPES records with a practice address in Ontario, and 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Ontario → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Caitlin Evans, PA-SOntario, OR 979141629650718
- Katherine Gill, PA-COntario, OR 979141437922481
- Nicole Heywood, PA-COntario, OR 979141831564954
- Brittany Jones, PA-COntario, OR 979141013647791
- Jared Papa, PA-COntario, OR 979141518047034
- Victoria Rogers, PA-COntario, OR 979141922106194
- Amanda Silue, PA-COntario, OR 979141609269190
- Tyler Van Wagenen, PAOntario, OR 979141700656352
Common questions
What is Katelyn Nielsen's NPI number?
Katelyn Nielsen's National Provider Identifier (NPI) is 1649900663, issued on Jun 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Nielsen located?
The NPPES record lists a practice address at 840 SW 4TH Ave Ste 105, Ontario, OR, 97914. Phone: (418) 892-6685. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Nielsen's license?
NPPES lists Oregon license number PA217656, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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.