MRS. KARI NICOLE DIEDERICH CRNA
NPI 1548368657
Nurse Anesthetist, Certified Registered in Midland, MI
About Mrs. Kari Nicole Diederich Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KARI NICOLE DIEDERICH CRNA (NPI 1548368657) is an individual nurse anesthetist, certified registered in Midland, Michigan, licensed in Michigan (4704215629) and active in the NPI registry since September 2006. She is affiliated with Mymichigan Medical Center Midland, maintains a secondary practice location in Harrison, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Mrs. Kari Nicole Diederich 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
6Medicare enrollment records show Kari Diederich reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 88 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 178 clinicians in this Medicare group
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 126 clinicians in this Medicare group
Clare, MI 48617
- Reassigned Medicare billing, Michigan enrollment
- 26 clinicians in this Medicare group
West Branch, MI 48661
- Reassigned Medicare billing, Michigan enrollment
- 179 clinicians in this Medicare group
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 359 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 3
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.
Mymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48670 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.
MIDLAND, MI 48670
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 Kari Diederich's NPI number?
The NPI number for Kari Diederich is 1548368657. It was assigned to this individual provider in the NPPES registry on September 20, 2006. The provider is also known as Kari Nicole Rickman Crna.
Where is Kari Diederich located?
Kari Diederich practices at 4000 Wellness Dr, Midland, MI 48670. The listed phone number is (989) 839-3000.
What is Kari Diederich's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Kari Diederich enrolled in Medicare?
Yes. Kari Diederich 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 Kari Diederich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kari Diederich reassigns Medicare benefits to 6 organizations: Mymichigan Medical Center Midland (Midland, MI), Resource Anesthesiology Associates Of Mi PC (Saginaw, MI), Covenant Medical Center, Inc. (Saginaw, MI), Mymichigan Medical Center Clare (Clare, MI), Mymichigan Medical Center West Branch (West Branch, MI) and 1 more organization, listed in the Medicare section above. 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 Kari Diederich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kari Diederich accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Kari Diederich 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 Kari Diederich affiliated with any hospitals?
According to CMS data, Kari Diederich is affiliated with Mymichigan Medical Center Midland.
When was this NPI record last updated?
The NPPES record for Kari Diederich was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Kari Nicole Diederich, CRNA · NPI 1548368657
Nurse Anesthetist, Certified Registered physician in Midland, Michigan. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1548368657 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704215629 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4000 WELLNESS DR, Midland, MI 48670-0001
- **Phone:** (989) 839-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Mymichigan Medical Center Midland (NPI 1770668683, Midland, MI); Resource Anesthesiology Associates Of Mi PC (NPI 1568755882, Saginaw, MI); Covenant Medical Center, Inc. (NPI 1225151897, Saginaw, MI); Mymichigan Medical Center Clare (NPI 1417084278, Clare, MI); Mymichigan Medical Center West Branch (NPI 1518418292, West Branch, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** July 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548368657) · Data from the CMS NPPES public registry.