BENJAMIN M JOHNSEN CRNA
NPI 1598059974
Nurse Anesthetist, Certified Registered in Duluth, MN
About Benjamin M Johnsen Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN M JOHNSEN CRNA (NPI 1598059974) is an individual nurse anesthetist, certified registered in Duluth, Minnesota, licensed in Minnesota (1131) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains a secondary practice location in Duluth.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Benjamin M Johnsen 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.
Medicare Billing Reassignments
4Medicare enrollment records show Benjamin Johnsen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- 513 clinicians in this Medicare group
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- 50 clinicians in this Medicare group
Two Harbors, MN 55616
- Reassigned Medicare billing, Minnesota enrollment
- 95 clinicians in this Medicare group
Cook, MN 55723
- Reassigned Medicare billing, Minnesota enrollment
- 21 clinicians in this Medicare group
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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Duluth, MNPhysician 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.
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.
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 Benjamin Johnsen's NPI number?
The NPI number for Benjamin Johnsen is 1598059974. It was assigned to this individual provider in the NPPES registry on June 3, 2011.
Where is Benjamin Johnsen located?
Benjamin Johnsen practices at 915 E 1st St, Duluth, MN 55805. The listed phone number is (218) 249-5555.
What is Benjamin Johnsen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Benjamin Johnsen enrolled in Medicare?
Yes. Benjamin Johnsen 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 Benjamin Johnsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Johnsen reassigns Medicare benefits to 4 organizations: St. Luke's Hospital Of Duluth (Duluth, MN), North Shore Anesthesia P.A (Duluth, MN), Lake View Memorial Hospital, Inc (Two Harbors, MN) and Northland Anesthesia Associates (Cook, MN). 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 Benjamin Johnsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Benjamin Johnsen affiliated with any hospitals?
According to CMS data, Benjamin Johnsen is affiliated with St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Benjamin Johnsen was last updated on May 31, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Benjamin M Johnsen, CRNA · NPI 1598059974
Nurse Anesthetist, Certified Registered physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since June 3, 2011.
## Identity
- **NPI:** 1598059974 (Entity type: Individual)
- **Enumerated:** June 3, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 1131 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 E 1ST ST, Duluth, MN 55805-2107
- **Phone:** (218) 249-5555
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): St. Luke's Hospital Of Duluth (NPI 1003860792, Duluth, MN); North Shore Anesthesia P.A (NPI 1922051291, Duluth, MN); Lake View Memorial Hospital, Inc (NPI 1023067642, Two Harbors, MN); Northland Anesthesia Associates (NPI 1275073892, Cook, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 31, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1598059974) · Data from the CMS NPPES public registry.