Elizabeth Sieders, PA-C
Physician Assistant · Pendleton, OR
Elizabeth Sieders, PA-C is a physician assistant with a practice address in Pendleton, Oregon, and NPI 1588042063, issued on May 15, 2015. Check the license (Oregon PA179971, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Sieders
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA179971 OR
Self-reported in NPPES; status is on the state search - Practice location
- 46314 Timine Way, Pendleton, OR 97801
- Phone
- (541) 966-9830
- Enumerated
- May 15, 2015
- Record last updated
- Apr 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (541) 240-8751
- Medicare enrollment
- Enrolled (PECOS I20170421001653); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 46314 Timine Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leann Alexander, RNRegistered Nurse1275627911
- Shana Alexander, RNRegistered Nurse1356436711
- Amy Allen, RNRegistered Nurse1013792696
- Anna Allen, RPHPharmacist1033492822
- Karl Arndt, BA QMHAAddiction (Substance Use Disorder) Counselor1316201544
- Brian BarnesPrevention Professional1093572612
Verify Elizabeth Sieders in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA179971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average physician assistant in 2024
2,991 Medicare Part D claims for 65 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium269 claims
- Lisinopril169 claims
- Levothyroxine Sodium146 claims
- Omeprazole120 claims
- Gabapentin76 claims
- Potassium Chloride72 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.
Bills Medicare through one group practice
- Yellowhawk Tribal Health CenterPendleton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Sieders among 2,094 physician assistant records in Oregon
Elizabeth Sieders, PA-C 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 2015, is newer than 44% of them.
- NPI issued2015 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2017 among the 1,552 with a school on file
- Record last updated2020 · 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).
10 physician assistant records list a practice address in Pendleton
They are 10 of the 761 NPPES records with a practice address in Pendleton, and 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Pendleton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Danielle Addleman, PAPendleton, OR 978011669745469
- Sally Brown, P.A.Pendleton, OR 978011881709038
- Jacqueline Brown, PAPendleton, OR 978011417390949
- Linda Harries, PA-CPendleton, OR 978011538189782
- Miriam Kirse, PA-CPendleton, OR 978011013409135
- Liza McCullough, PACPendleton, OR 978011427928654
- Chloe Norris, PA-CPendleton, OR 978011104170489
- Kristin Schmidtgall, MPH, MPAS, PA-CPendleton, OR 978011477799500
Common questions
What is Elizabeth Sieders, PA-C's NPI number?
Elizabeth Sieders, PA-C's National Provider Identifier (NPI) is 1588042063, issued on May 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Sieders, PA-C located?
The NPPES record lists a practice address at 46314 Timine Way, Pendleton, OR, 97801. Phone: (541) 966-9830. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Sieders, PA-C's license?
NPPES lists Oregon license number PA179971, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Sieders, PA-C prescribe under Medicare Part D?
In 2024, Elizabeth Sieders, PA-C had 2,991 Medicare Part D claims for 65 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.