JOHN CHRISTOPHER FERNAU CRNA
NPI 1649560541
Nurse Anesthetist, Certified Registered in Rapid City, SD
About John Christopher Fernau Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CHRISTOPHER FERNAU CRNA (NPI 1649560541) is an individual nurse anesthetist, certified registered in Rapid City, South Dakota, licensed in South Dakota (R034740) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Black Hills Surgical Hospital Llp, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
John Christopher Fernau 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
5Medicare enrollment records show John Fernau reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rapid City, SD 57701
- Reassigned Medicare billing, South Dakota enrollment
- 831 clinicians in this Medicare group
Rapid City, SD 57701
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1376896621 (South Dakota)
- 161 clinicians in this Medicare group
Hill City, SD 57745
- Reassigned Medicare billing, South Dakota enrollment
- 321 clinicians in this Medicare group
Pierre, SD 57501
- Reassigned Medicare billing, South Dakota enrollment
- 197 clinicians in this Medicare group
Marcus, IA 51035
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1689640500 (Iowa)
- 36 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
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.
Black Hills Surgical Hospital LLP
Acute Care Hospitals · Rapid City, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57701 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.
RAPID CITY, SD 57701
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 John Fernau's NPI number?
The NPI number for John Fernau is 1649560541. It was assigned to this individual provider in the NPPES registry on April 12, 2011.
Where is John Fernau located?
John Fernau practices at 353 Fairmont Blvd., Rapid City, SD 57701. The listed phone number is (605) 719-1000.
What is John Fernau's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Fernau enrolled in Medicare?
Yes. John Fernau 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 John Fernau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Fernau reassigns Medicare benefits to 5 organizations: Monument Health Rapid City Hospital, Inc. (Rapid City, SD), Black Hills Surgical Hospital, LLC (Rapid City, SD), Monument Health Network, Inc. (Hill City, SD), Avera St Marys (Pierre, SD) and Sioux Valley Memorial Hospital Association (Marcus, IA). 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 John Fernau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Fernau accept?
Health plans from Avera Health Plans, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list John Fernau 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.
Is John Fernau affiliated with any hospitals?
According to CMS data, John Fernau is affiliated with Black Hills Surgical Hospital LLP.
When was this NPI record last updated?
The NPPES record for John Fernau was last updated on January 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.