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ELIZABETH C MARKS CRNA
NPI 1164527255
Nurse Anesthetist, Certified Registered in Duluth, MN

Active since September 13, 2006Accepts Medicare Assignment
407 E 3RD ST, DULUTH, MN 55805(218) 786-3167(218) 722-8792 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Elizabeth C Marks Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELIZABETH C MARKS CRNA (NPI 1164527255) is an individual nurse anesthetist, certified registered in Duluth, Minnesota, licensed in Minnesota (R1309014) and active in the NPI registry since September 2006. She is a graduate of Other (2001).

NPPES Registry Identity

NPI1164527255
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameELIZABETH C MARKSCredential: CRNA
Location Address407 E 3RD STDuluth, MN 55805-1950
Mailing Address615 E Skyline PkwyDuluth, MN 55805-1145
Phone(218) 786-3167
Fax(218) 722-8792
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateSeptember 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1164527255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MN · R1309014
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
407 E 3RD ST, Duluth, MN 55805
Open in Google Maps ↗

Other Identifiers 1

Other558K0MAMN · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth C Marks Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082643481
PECOS Enrollment IDI20190418001661

Medicare Billing Reassignments

3

Medicare enrollment records show Elizabeth Marks reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ias Arizona PLLC
1,412 mi
Anesthesiology
5301 E GRANT RD
Tucson, AZ 85712
  • Reassigned Medicare billing, Arizona enrollment
  • 264 clinicians in this Medicare group
NPI 1689359747 (520) 327-5461
Professional Anesthesia Services LLC
1,412 mi
Anesthesiology
7566 N LA CHOLLA BOULEVARD
Tucson, AZ 85741
  • Reassigned Medicare billing, Arizona enrollment
  • 21 clinicians in this Medicare group
NPI 1336470475 (520) 742-4139
Southern Arizona Anesthesia Services, PC
1,413 mi
Anesthesiology
3390 N CAMPBELL AVE, STE 110
Tucson, AZ 85719
  • Reassigned Medicare billing, Arizona enrollment
  • 86 clinicians in this Medicare group
NPI 1912999343 (520) 795-7650

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
28 services28 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
17 services17 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
17 services17 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
14 services14 patients
Anesthesia for retinal surgery 00145
Anesthesia for retinal surgery involves using medications to numb your eye and surrounding area. This prevents pain and discomfort during the procedure. You may also receive medication to help you relax. The anesthesia can be local (just your eye) or general (you're asleep).
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL A REUTER PT
Physical Therapist
407 E 3RD ST, ESSENTIA HEALTH ST. MARY'S MEDICAL CENTER
DULUTH, MN 55805
St. Louis County (218) 786-4000
JENNA MAKI OTR
Occupational Therapist
407 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4000
BLAKE ERVIN COLLISON MD
Emergency Medicine
407 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4000
MARY FRANCES HUNT SLOAN PT
Physical Therapist
407 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4000
MRS. SHYLEE SUE PRESTON
Nurse Anesthetist, Certified Registered
407 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4000
DEBBI L PETERS APRN, CNP
Nurse Practitioner (Neonatal)
407 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4063
ELLA DOHLIN RN, CNS
Clinical Nurse Specialist (Adult Health)
407 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4000
MELISSA GRACE JULIAN OTR
Occupational Therapist
407 E 3RD ST, ESSENTIA HEALTH DULUTH CLINIC
DULUTH, MN 55805
St. Louis County (218) 786-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Marks's NPI number?

The NPI number for Elizabeth Marks is 1164527255. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Elizabeth Marks located?

Elizabeth Marks practices at 407 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-3167.

What is Elizabeth Marks's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Elizabeth Marks enrolled in Medicare?

Yes. Elizabeth Marks is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Elizabeth Marks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Marks reassigns Medicare benefits to 3 organizations: Ias Arizona PLLC (Tucson, AZ), Professional Anesthesia Services LLC (Tucson, AZ) and Southern Arizona Anesthesia Services, PC (Tucson, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Marks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Marks accept?

Health plans from Blue Cross Blue Shield of Arizona list Elizabeth Marks as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Elizabeth Marks was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.