Nathan Dennis, PA
Physician Assistant · Klamath Falls, OR
Nathan Dennis, PA is a physician assistant with a practice address in Klamath Falls, Oregon, and NPI 1780563767, issued on Sep 2, 2025. Check the license (Oregon PA227559, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan Dennis
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA227559 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Bryant Williams Dr Ste 110, Klamath Falls, OR 97601
- Phone
- (541) 274-8900
- Enumerated
- Sep 2, 2025
- Record last updated
- Apr 14, 2026
- Fax
- (541) 274-8908
- Medicare enrollment
- Enrolled (PECOS I20251209001586); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 3000 Bryant Williams Dr Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vanessa Cunningham, PA-CPhysician Assistant1356133185
Verify Nathan Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA227559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sky Lakes Medical Center IncKlamath Falls, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Dennis among 2,094 physician assistant records in Oregon
Nathan Dennis, PA 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 2025, is newer than 96% of them.
- NPI issued2025 · 96% of these records are older, 1% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2025 · 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).
47 physician assistant records list a practice address in Klamath Falls
They are 47 of the 1,946 NPPES records with a practice address in Klamath Falls, and 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Klamath Falls → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Roberta Belich, PA-CKlamath Falls, OR 976011871877506
- Rebecca Delgado, PA-CKlamath Falls, OR 976011215571633
- Arden Gage, P.A.Klamath Falls, OR 976011699987164
- Anthony Hamilton, PAKlamath Falls, OR 976011821046962
- Rachel Harsch, PA-C, D.C.Klamath Falls, OR 976011861698797
- Shelby Kirkpatrick, PA-CKlamath Falls, OR 976011598016073
- Callie Mills, PA-CKlamath Falls, OR 976011871159954
- Catherine Noble, PA-CKlamath Falls, OR 976011164418083
Common questions
What is Nathan Dennis, PA's NPI number?
Nathan Dennis, PA's National Provider Identifier (NPI) is 1780563767, issued on Sep 2, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Dennis, PA located?
The NPPES record lists a practice address at 3000 Bryant Williams Dr Ste 110, Klamath Falls, OR, 97601. Phone: (541) 274-8900. Providers update this record themselves, so call before visiting.
How can I verify Nathan Dennis, PA's license?
NPPES lists Oregon license number PA227559, 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.