Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mark Giesen

Individual provider Certified Registered Nurse Anesthetist · NPI 1932836319

Mark Giesen is registered under Certified Registered Nurse Anesthetist (CRNA) in Saint Paul, Minnesota. Qualified in 2022, 4 years ago. Practices with Northfield Hospital, a 117-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
4
Licensed in
MN
In the registry since
2022
Specialties on file
2
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Practice location Address checks out

640 Jackson St
Saint Paul, MN 55101-2595
Phone: (651) 254-3456
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 2749 (MN)
Registered Nurse Taxonomy 163W00000X · Licence 2081438 (MN)

Record details

NPI number1932836319
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 4, 2022
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Northfield Hospital — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients31
Services billed 31 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Northfield Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 117 clinicians in the practice; 12 are shown here.

Other providers in Saint Paul