David Arthur Knierim, M.D.
Family Medicine Physician · Glasgow, MT
David Arthur Knierim, M.D. is a family medicine physician with a practice address in Glasgow, Montana, and NPI 1720346075, issued on Apr 24, 2012. Check the license (Montana 41589, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Arthur Knierim
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 41589 MT
Self-reported in NPPES; status is on the state search - Practice location
- 221 5TH Ave S, Glasgow, MT 59230
- Phone
- (406) 228-3400
- Enumerated
- Apr 24, 2012
- Record last updated
- Aug 6, 2024
- Fax
- (406) 228-3413
- Medicare enrollment
- Enrolled (PECOS I20150804004214); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 221 5TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Arthur Knierim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 41589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average family medicine physician in 2024
6,465 Medicare Part D claims for 356 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 432 claims were for opioids.
Most prescribed
- Lisinopril327 claims
- Levothyroxine Sodium305 claims
- Atorvastatin Calcium304 claims
- Omeprazole194 claims
- Amlodipine Besylate180 claims
- Losartan Potassium178 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.
2 hospital affiliations
- Daniels Memorial HospitalScobey, MT · Critical Access Hospitals
- Frances Mahon Deaconess HospitalGlasgow, MT · Critical Access Hospitals
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).
David Arthur Knierim among 775 family medicine physician records in Montana
David Arthur Knierim, M.D. is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2007 among the 464 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family medicine physician records list a practice address in Glasgow
They are 6 of the 78 NPPES records with a practice address in Glasgow, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Glasgow → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gordon Bell, M.D.Glasgow, MT 592301750393914
- Keenan Kuckler, MDGlasgow, MT 592301528649324
- Anne Millard, M.D.Glasgow, MT 592301780696062
- Michelle Ozark, FNP-CGlasgow, MT 592301538842885
- Kevin Ross, MDGlasgow, MT 592301649572355
- Kirk Stoner, MDPlentywood, MT 592541629013750
- Peter Arosemena, M.D.Poplar, MT 592551265532907
- Harold Nims, M.D.Poplar, MT 592551043352420
Common questions
What is David Arthur Knierim, M.D.'s NPI number?
David Arthur Knierim, M.D.'s National Provider Identifier (NPI) is 1720346075, issued on Apr 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Arthur Knierim, M.D. located?
The NPPES record lists a practice address at 221 5TH Ave S, Glasgow, MT, 59230. Phone: (406) 228-3400. Providers update this record themselves, so call before visiting.
How can I verify David Arthur Knierim, M.D.'s license?
NPPES lists Montana license number 41589, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Arthur Knierim, M.D. prescribe under Medicare Part D?
In 2024, David Arthur Knierim, M.D. had 6,465 Medicare Part D claims for 356 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.