Dr. Michael Duncan Kiefer, MD
- Medicare services, 2024
- 484
- Medicare patients, 2024
- 247
- Part D claims, 2024
- 148
- Hospital affiliations
- 2
- Industry payments
- $23
- Practice address
- 1700 E 19th Street, The Dalles, OR 97058
- Practice phone
- Call (541) 296-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kiefer's professional email, personal email and mobile number
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Dr. Michael Duncan Kiefer is a hospitalist in The Dalles, Oregon
Dr. Kiefer practices at Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health.
Dr. Kiefer's NPI, 1447690102, was assigned on June 26, 2013. Dr. Kiefer graduated from Oregon Health Sciences University School of Medicine in 2015. Dr. Kiefer holds Oregon license MD199880.
- NPI
- 1447690102NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820301583
- NPI enumeration date
- June 26, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 296-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Duncan Kiefer practices at Adventist Health Columbia Gorge in The Dalles, Oregon
Dr. Kiefer's primary practice is Adventist Health Columbia Gorge, at 1700 E 19th Street, The Dalles, OR 97058 in Wasco County. The practice phone is (541) 296-1111.
- Adventist Health Columbia Gorge1700 E 19th Street, The Dalles, OR 97058 · Wasco CountyPhone(541) 296-1111
Source: Dmand AI Affiliation Data
Dr. Michael Duncan Kiefer is affiliated with 2 sites of care and 2 medical groups
Dr. Kiefer's primary practice is Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health. Dr. Kiefer is also affiliated with OHSU Hospital. The medical group on file is Adventist Health Columbia Gorge. Dmand AI also links Dr. Kiefer to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Duncan Kiefer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kiefer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Columbia Gorge | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Duncan Kiefer is one of 456 hospitalists in Oregon
Hospitalist is Dr. Kiefer's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Kiefer is licensed in Oregon.
Specialties and state licenses
- Hospitalist, OregonPrimary
Hospitalists near Dr. Kiefer
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Duncan Kiefer billed Medicare for 484 services in 2024
CMS data shows 484 Medicare services from Dr. Kiefer across 7 procedure codes in 2024, for 247 Medicare patients. Medicare paid $37,275 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kiefer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3272024: 40323%
- Tests and treatments
- 2023: 1122024: 8128%
Dr. Kiefer compared with the Oregon median for hospitalists, 2024
- Dr. Kiefer
- Oregon median
- Medicare services
- 484vs 27278% above
- Medicare patients
- 247vs 12696% above
- Part D claims
- 13vs 5677% below
Medians across 454 hospitalists in Oregon with Dmand AI profiles that report each measure.
Dr. Kiefer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kiefer and other hospitalists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Duncan Kiefer treated 247 Medicare patients in 2024, average age 76
CMS counts 247 Medicare patients who saw Dr. Kiefer in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kiefer's median patient age at 72, with 51% women.
Dr. Kiefer's Medicare patients by age, 2024
Dr. Kiefer's Medicare patients by sex, 2024
- Women12350%
- Men12450%
Chronic conditions among Dr. Kiefer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis46%
- Diabetes41%
- Ischemic heart disease40%
- Atrial fibrillation38%
- Heart failure37%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kiefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Duncan Kiefer wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Kiefer wrote 148 Medicare Part D claims for 63 patients. 85% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $79 in total drug cost. In 2021, CMS named 72 claims across 5 drugs.
Dr. Kiefer's Part D claims by kind of drug, 2024
- Generic126 claims85%
- Brand-name22 claims15%
Dr. Kiefer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kiefer's Part D claims, 2024
- Opioids10%15 of 148 claims
- Antibiotics16%24 of 148 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 722024: 1382%
Drugs named by CMS: 1 in 2024, 5 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Michael Duncan Kiefer takes part in Medicare
Dr. Kiefer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael Duncan Kiefer received $23 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Kiefer from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $23.
Companies that paid Dr. Kiefer the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Duncan Kiefer graduated from Oregon Health Sciences University School of Medicine
Dr. Kiefer graduated from Oregon Health Sciences University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Duncan Kiefer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Duncan Kiefer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Duncan Kiefer's NPI number?
Dr. Michael Duncan Kiefer's NPI number is 1447690102. It was assigned on June 26, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Duncan Kiefer?
Dr. Michael Duncan Kiefer is a hospitalist in The Dalles, Oregon. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Michael Duncan Kiefer practice?
Dr. Kiefer practices at 1700 E 19th Street, The Dalles, OR 97058. Dr. Kiefer's primary practice is Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health. Dmand AI also links Dr. Kiefer to 1 medical group.
What is Dr. Michael Duncan Kiefer's office phone number?
The practice phone on file for Dr. Kiefer is (541) 296-1111.
What is Dr. Michael Duncan Kiefer's medical license number?
Dr. Kiefer holds Oregon license MD199880.
Which hospitals is Dr. Michael Duncan Kiefer affiliated with?
Dr. Kiefer practices at Adventist Health Columbia Gorge in The Dalles, Oregon. Dr. Kiefer is also affiliated with OHSU Hospital.
What medical group is Dr. Michael Duncan Kiefer part of?
Dr. Kiefer is linked to Adventist Health Columbia Gorge. Dmand AI links Dr. Kiefer to 1 more medical group.
Does Dr. Michael Duncan Kiefer accept Medicare?
Yes. CMS data shows Dr. Kiefer billed Medicare for 484 services in 2024, and Dr. Kiefer accepts Medicare assignment.
How many Medicare patients does Dr. Michael Duncan Kiefer see?
CMS counts 247 Medicare patients who saw Dr. Kiefer in 2024, with an average age of 76.
What services does Dr. Michael Duncan Kiefer bill to Medicare?
In 2024, Dr. Kiefer's most billed Medicare services were hospital inpatient care (99233), heart test or procedure (93010) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Michael Duncan Kiefer go to medical school?
Dr. Kiefer graduated from Oregon Health Sciences University School of Medicine in 2015.
What drugs does Dr. Michael Duncan Kiefer prescribe most?
In 2024 Medicare Part D data, Dr. Kiefer's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Michael Duncan Kiefer received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Kiefer from 1 company from 2022 to 2022. The largest total came from Abbott Laboratories.
How long has Dr. Michael Duncan Kiefer been practicing?
Dr. Kiefer graduated from medical school in 2015, 11 years ago.
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