NPPES file of Aug 9, 2026

Elizabeth C. Marks, CRNA

Certified Registered Nurse Anesthetist · Duluth, MN

Elizabeth C. Marks, CRNA is a certified registered nurse anesthetist with a practice address in Duluth, Minnesota, and NPI 1164527255, issued on Sep 13, 2006. Check the license (Minnesota R1309014, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164527255
Name
Elizabeth C. Marks
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R1309014 MN
Self-reported in NPPES; status is on the state search
Practice location
407 E 3RD St, Duluth, MN 55805
Phone
(218) 786-3167
Enumerated
Sep 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(218) 722-8792
Medicare enrollment
Enrolled (PECOS I20190418001661); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 407 E 3RD St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tiffany Abrahamian, DOEmergency Medicine Physician1447601562
  2. Jane Adams, OTROccupational Therapist1639526155
  3. Jeffrey AdamsEmergency Medicine Physician1437174190
  4. Kathleen AhlbergOccupational Therapist1174556740
  5. Lynn AldrinOccupational Therapist1710012414
  6. Catherine AmeelPhysical Therapist1831259944

Verify Elizabeth C. Marks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license R1309014
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 3 group practices

  1. Ias Arizona PLLCTucson, AZ
  2. Professional Anesthesia Services LLCTucson, AZ
  3. Southern Arizona Anesthesia Services PCTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Elizabeth C. Marks among 2,663 certified registered nurse anesthetist records in Minnesota

Elizabeth C. 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 updated2007 · 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.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Bradley Bruhjell, CRNADuluth, MN 558051821048810
  2. Amy Bugge, CRNADuluth, MN 558051053361725
  3. Jay Caywood, CRNADuluth, MN 558051669422663
  4. Barbara Crow, CRNADuluth, MN 558051700836533
  5. Gregory Dubla, RN,CRNADuluth, MN 558051730171588
  6. Judith Grewatz, CRNADuluth, MN 558051730139759
  7. Christopher Lian, CRNADuluth, MN 558051447227426
  8. Karen Lindgren, RN, CRNADuluth, MN 558051730170127

Common questions

What is Elizabeth C. Marks, CRNA's NPI number?

Elizabeth C. Marks, CRNA's National Provider Identifier (NPI) is 1164527255, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth C. Marks, CRNA located?

The NPPES record lists a practice address at 407 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-3167. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth C. Marks, CRNA's license?

NPPES lists Minnesota license number R1309014, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity 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.