MS. SHANNON R MAYHEW CRNA
NPI 1437410164
Nurse Anesthetist, Certified Registered in Grand Rapids, MI
About Ms. Shannon R Mayhew Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SHANNON R MAYHEW CRNA (NPI 1437410164) is an individual nurse anesthetist, certified registered in Grand Rapids, Michigan, licensed in Michigan (4704246200) and active in the NPI registry since May 2012. She is affiliated with University Of Michigan Health - West and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Ms. Shannon R Mayhew 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 Shannon Mayhew reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49525
- Reassigned Medicare billing, Michigan enrollment
- 46 clinicians in this Medicare group
Grand Rapids, MI 49525
- Reassigned Medicare billing, Michigan enrollment
- 117 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.
University Of Michigan Health - West
Acute Care Hospitals · Wyoming, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49525 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.
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
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 Shannon Mayhew's NPI number?
The NPI number for Shannon Mayhew is 1437410164. It was assigned to this individual provider in the NPPES registry on May 29, 2012. The provider is also known as Shannon Leonard.
Where is Shannon Mayhew located?
Shannon Mayhew practices at 3333 Evergreen Dr NE, Grand Rapids, MI 49525. The listed phone number is (616) 364-4200.
What is Shannon Mayhew's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Shannon Mayhew enrolled in Medicare?
Yes. Shannon Mayhew 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 Shannon Mayhew's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Mayhew reassigns Medicare benefits to 2 organizations: West Michigan Anesthesia, PC (Grand Rapids, MI) and Anesthesia Medical Consultants, PC (Grand Rapids, MI). 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 Shannon Mayhew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shannon Mayhew accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Shannon Mayhew 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 Shannon Mayhew affiliated with any hospitals?
According to CMS data, Shannon Mayhew is affiliated with University Of Michigan Health - West.
When was this NPI record last updated?
The NPPES record for Shannon Mayhew was last updated on July 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ms. Shannon R Mayhew, CRNA · NPI 1437410164
Nurse Anesthetist, Certified Registered physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since May 29, 2012.
## Identity
- **NPI:** 1437410164 (Entity type: Individual)
- **Enumerated:** May 29, 2012
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704246200 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3333 EVERGREEN DR NE, Grand Rapids, MI 49525-9493
- **Phone:** (616) 364-4200 · **Fax:** (616) 364-7347
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): West Michigan Anesthesia, PC (NPI 1225016926, Grand Rapids, MI); Anesthesia Medical Consultants, PC (NPI 1063710689, Grand Rapids, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 3, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1437410164) · Data from the CMS NPPES public registry.