Allen David Swanson, DO
Internal Medicine Physician · Grants Pass, OR
Allen David Swanson, DO is an internal medicine physician with a practice address in Grants Pass, Oregon, and NPI 1295391670, issued on May 12, 2019. Check the license (Oregon DO218450, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Allen David Swanson
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO218450 OR
Self-reported in NPPES; status is on the state search - Practice location
- 500 SW Ramsey Ave, Grants Pass, OR 97527
- Phone
- (541) 472-7000
- Enumerated
- May 12, 2019
- Record last updated
- Mar 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20240719002908); accepts Medicare assignment
- Medical or professional school
- At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 500 SW Ramsey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel AlexanianPhysician Assistant1346993326
- Keith Anderson, CRNACertified Registered Nurse Anesthetist1073590733
- Whitney Baker, MDEmergency Medicine Physician1659582161
- Kelsey Balcita, PHARMDPharmacist1720636574
- Matthew Beeson, MDEmergency Medicine Physician1942643077
- Cody Biller, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1821375833
Verify Allen David Swanson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO218450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
268 Medicare Part D claims for 93 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Duloxetine Hcl14 claims
- Losartan Potassium13 claims
- Lisinopril12 claims
- Cephalexin11 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
- Asante Physician PartnersGrants Pass, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allen David Swanson among 2,116 internal medicine physician records in Oregon
Allen David Swanson, DO is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in Grants Pass
They are 35 of the 2,127 NPPES records with a practice address in Grants Pass, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Grants Pass → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Brandes, MDGrants Pass, OR 975271992700991
- John Countiss, M.D.Grants Pass, OR 975271144225921
- Edward Groenhout, M.D.Grants Pass, OR 975271760487557
- Haitham Haddad, M.D.Grants Pass, OR 975271922003714
- Dennis Minister, MDGrants Pass, OR 975271720193907
- Philip Murray, M.D.Grants Pass, OR 975271346245131
- Markus Opel, M.D.Grants Pass, OR 975271255336046
- Eric Perry, M.D.Grants Pass, OR 975271750387825
Common questions
What is Allen David Swanson, DO's NPI number?
Allen David Swanson, DO's National Provider Identifier (NPI) is 1295391670, issued on May 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Allen David Swanson, DO located?
The NPPES record lists a practice address at 500 SW Ramsey Ave, Grants Pass, OR, 97527. Phone: (541) 472-7000. Providers update this record themselves, so call before visiting.
How can I verify Allen David Swanson, DO's license?
NPPES lists Oregon license number DO218450, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allen David Swanson, DO prescribe under Medicare Part D?
In 2024, Allen David Swanson, DO had 268 Medicare Part D claims for 93 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.