Michael F. Marks, CRNA
Certified Registered Nurse Anesthetist · Duluth, MN
Michael F. Marks, CRNA is a certified registered nurse anesthetist with a practice address in Duluth, Minnesota, and NPI 1134224215, issued on Sep 14, 2006. Check the license (Minnesota R1321393, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael F. Marks
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- R1321393 MN
220118 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Sep 14, 2006
- Record last updated
- Nov 29, 2022
- Medicaid IDs
- 588268 AZ
013804500 MN - Medicare enrollment
- Enrolled (PECOS I20191021001818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,663 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David AlexanderDiagnostic Radiology Physician1932135936
Verify Michael F. Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license R1321393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Southwestern Eye Center LtdSun City, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael F. Marks among 2,663 certified registered nurse anesthetist records in Minnesota
Michael F. Marks, CRNA is one of 2,663 certified registered nurse anesthetist 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2001 · median 2013 among the 1,930 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 certified registered nurse anesthetist records list a practice address in Duluth
They are 155 of the 4,084 NPPES records with a practice address in Duluth, and 2,663 certified registered nurse anesthetist records in Minnesota.
All 2,663 in Minnesota → Every provider in Duluth → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Bradley Bruhjell, CRNADuluth, MN 558051821048810
- Amy Bugge, CRNADuluth, MN 558051053361725
- Jay Caywood, CRNADuluth, MN 558051669422663
- Barbara Crow, CRNADuluth, MN 558051700836533
- Gregory Dubla, RN,CRNADuluth, MN 558051730171588
- Judith Grewatz, CRNADuluth, MN 558051730139759
- Christopher Lian, CRNADuluth, MN 558051447227426
- Karen Lindgren, RN, CRNADuluth, MN 558051730170127
Common questions
What is Michael F. Marks, CRNA's NPI number?
Michael F. Marks, CRNA's National Provider Identifier (NPI) is 1134224215, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael F. Marks, CRNA located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Michael F. Marks, CRNA's license?
NPPES lists Minnesota license number R1321393, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
What is Michael F. Marks, CRNA's MIPS final score?
The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.