Karin B. Knutson, M.D.
Obstetrics & Gynecology Physician · Duluth, MN
Karin B. Knutson, M.D. is an obstetrics & gynecology physician with a practice address in Duluth, Minnesota, and NPI 1114389277, issued on Mar 27, 2016. Check the license (Minnesota 67826, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Karin B. Knutson
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 67826 MN
Self-reported in NPPES; status is on the state search - Practice location
- 420 E 1St St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Mar 27, 2016
- Record last updated
- Aug 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200824001040); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 878 in Minnesota → Look up another NPI →
Also registered at 420 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karin B. Knutson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 67826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
116 Medicare Part D claims for 52 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol44 claims
- Sprintec13 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
- The Duluth Clinic LtdDuluth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karin B. Knutson among 878 obstetrics & gynecology physician records in Minnesota
Karin B. Knutson, M.D. is one of 878 obstetrics & gynecology physician records with a practice address in Minnesota. 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 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2016 · median 2007 among the 569 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Minnesota
There are 878 obstetrics & gynecology physician records in Minnesota.
All 878 in Minnesota → Every provider in Duluth → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Stephen BloomDuluth, MN 558051245269695
- Jennifer Boyle, MDDuluth, MN 558051073582375
- Irene CarrDuluth, MN 558051437194735
- Susan Goltz, MDDuluth, MN 558051811966500
- Scott JohnsonDuluth, MN 558051063445922
- James KobersteinDuluth, MN 558051396785986
- Michael Laberge, M.D.Duluth, MN 558051902844715
- Melissa Miller, MDDuluth, MN 558051235108366
Common questions
What is Karin B. Knutson, M.D.'s NPI number?
Karin B. Knutson, M.D.'s National Provider Identifier (NPI) is 1114389277, issued on Mar 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Karin B. Knutson, M.D. located?
The NPPES record lists a practice address at 420 E 1St St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Karin B. Knutson, M.D.'s license?
NPPES lists Minnesota license number 67826, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karin B. Knutson, M.D. prescribe under Medicare Part D?
In 2024, Karin B. Knutson, M.D. had 116 Medicare Part D claims for 52 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.