KAREN L. JOHNSON CRNA
NPI 1073841227
Nurse Anesthetist, Certified Registered in Williston, ND
About Karen L. Johnson Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN L. JOHNSON CRNA (NPI 1073841227) is an individual nurse anesthetist, certified registered in Williston, North Dakota, licensed in North Dakota (R26738) and active in the NPI registry since November 2009. She maintains 2 additional practice locations and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted 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
Karen L. Johnson 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
2Medicare enrollment records show Karen Johnson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- 339 clinicians in this Medicare group
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- 268 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Karen Johnson's NPI number?
The NPI number for Karen Johnson is 1073841227. It was assigned to this individual provider in the NPPES registry on November 30, 2009.
Where is Karen Johnson located?
Karen Johnson practices at 1321 W Dakota Pkwy, Williston, ND 58801. The listed phone number is (701) 572-7711.
What is Karen Johnson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Johnson enrolled in Medicare?
Yes. Karen Johnson 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 Karen Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Johnson reassigns Medicare benefits to 2 organizations: Trinity Health (Williston, ND) and Mercy Medical Center (Williston, ND). 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 Karen Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Johnson accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Karen Johnson 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 Karen Johnson was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Karen L. Johnson, CRNA · NPI 1073841227
Nurse Anesthetist, Certified Registered physician in Williston, North Dakota. Individual provider, active in the CMS NPPES registry since November 30, 2009.
## Identity
- **NPI:** 1073841227 (Entity type: Individual)
- **Enumerated:** November 30, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R26738 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1321 W DAKOTA PKWY, Williston, ND 58801-3807
- **Phone:** (701) 572-7711
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Trinity Health (NPI 1811030752, Williston, ND); Mercy Medical Center (NPI 1760549000, Williston, ND) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** September 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1073841227) · Data from the CMS NPPES public registry.