Michael Duncan Kiefer, M.D.
Hospitalist Physician · Portland, OR
Michael Duncan Kiefer, M.D. is a hospitalist physician with a practice address in Portland, Oregon, and NPI 1447690102, issued on Jun 26, 2013. Check the license (Oregon MD199880, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Duncan Kiefer
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD199880 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-6101
- Enumerated
- Jun 26, 2013
- Record last updated
- Aug 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (503) 494-1159
- Medicare enrollment
- Enrolled (PECOS I20200824002803); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Michael Duncan Kiefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD199880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average hospitalist physician in 2024
148 Medicare Part D claims for 63 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 15 claims were for opioids.
Most prescribed
- Oxycodone Hcl13 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.
One hospital affiliation
- Mid-Columbia Medical CenterThe Dalles, OR · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Michael Duncan Kiefer among 471 hospitalist physician records in Oregon
Michael Duncan Kiefer, M.D. is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2015 · median 2009 among the 400 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Oregon
There are 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Portland → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Kelly Caverzagie, MDPortland, OR 972391033158084
- Priscilla Codiga, M.DPortland, OR 972391629009402
- Sima Desai, MDPortland, OR 972391649377417
- Tanja Epley, DOPortland, OR 972391336119635
- Rebecca Harrison, MDPortland, OR 972391922015841
- Mark Helfand, MDPortland, OR 972391972697522
- Alan Hunter, MDPortland, OR 972391437165982
- Elizabeth Lahti, MDPortland, OR 972391639190564
Common questions
What is Michael Duncan Kiefer, M.D.'s NPI number?
Michael Duncan Kiefer, M.D.'s National Provider Identifier (NPI) is 1447690102, issued on Jun 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael Duncan Kiefer, M.D. located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-6101. Providers update this record themselves, so call before visiting.
How can I verify Michael Duncan Kiefer, M.D.'s license?
NPPES lists Oregon license number MD199880, 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 Michael Duncan Kiefer, M.D. prescribe under Medicare Part D?
In 2024, Michael Duncan Kiefer, M.D. had 148 Medicare Part D claims for 63 beneficiaries; the average among hospitalist physician prescribers was 521. 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.