Gregory S. Smithers
Physician Assistant · Portland, OR
Gregory S. Smithers is a physician assistant with a practice address in Portland, Oregon, and NPI 1639847403, issued on Sep 5, 2021. Check the license (Oregon PA217817, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory S. Smithers
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA217817 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2730 S Moody Ave, Portland, OR 97201
- Phone
- (503) 494-3633
- Enumerated
- Sep 5, 2021
- Record last updated
- Nov 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20231019001810); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 2730 S Moody Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Faiza AbdiStudent in an Organized Health Care Education/Training Program1588559017
- Salma AbdilahiStudent in an Organized Health Care Education/Training Program1306773643
- Ann AmonooStudent in an Organized Health Care Education/Training Program1467399022
- Alicia Applin, D.D.S.Dentist1144663766
- Derrick Armstrong, PA STUDENTStudent in an Organized Health Care Education/Training Program1275470940
- Michael Badaoui, DMDDentist1720845415
Verify Gregory S. Smithers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA217817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
176 Medicare Part D claims for 145 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin37 claims
- Doxycycline Hyclate24 claims
- Amoxicillin-Clavulanate Potass20 claims
- Prednisone17 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
- Legacy Clinics LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory S. Smithers among 2,094 physician assistant records in Oregon
Gregory S. Smithers 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 2021, is newer than 72% of them.
- NPI issued2021 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2023 · median 2017 among the 1,552 with a school on file
- Record last updated2025 · 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).
Physician Assistant providers in Oregon
There are 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Portland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Erika Acuna, PA-CPortland, OR 972011881072775
- Zane Carey, PA-CPortland, OR 972011669066635
- Claudemir Da Silva Lima, PA-CPortland, OR 972011427670660
- William Edgell, PA-CPortland, OR 972011356019319
- Emily HowlettPortland, OR 972011225706088
- Irum JaffriPortland, OR 972011801480868
- Katherine Kinser, PA-CPortland, OR 972011326586926
- Kimberly KittellPortland, OR 972011710479787
Common questions
What is Gregory S. Smithers's NPI number?
Gregory S. Smithers's National Provider Identifier (NPI) is 1639847403, issued on Sep 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Smithers located?
The NPPES record lists a practice address at 2730 S Moody Ave, Portland, OR, 97201. Phone: (503) 494-3633. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Smithers's license?
NPPES lists Oregon license number PA217817, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory S. Smithers prescribe under Medicare Part D?
In 2024, Gregory S. Smithers had 176 Medicare Part D claims for 145 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.