GREGORY JOHN HAYTER NP
NPI 1013222736
Nurse Practitioner - Adult Health in Lansing, MI
About Gregory John Hayter Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY JOHN HAYTER NP (NPI 1013222736) is an individual adult health provider in Lansing, Michigan, licensed in Michigan (4704190776) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, is affiliated with Edward W Sparrow Hospital, and is a graduate of Other (2009).
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
Gregory John Hayter Np 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 Gregory Hayter reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1134982812 (Michigan)
- 916 clinicians in this Medicare group
East Lansing, MI 48823
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1942254529 (Michigan)
- 137 clinicians in this Medicare group
Saint Johns, MI 48879
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1093809824 (Michigan)
- 126 clinicians in this Medicare group
Fowler, MI 48835
- Reassigned Medicare billing, Michigan enrollment
- 215 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward W Sparrow Hospital
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48912 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.
LANSING, MI 48912
LANSING, MI 48912
LANSING, MI 48912
LANSING, MI 48912
LANSING, MI 48912
LANSING, MI 48912
LANSING, MI 48912
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 Gregory Hayter's NPI number?
The NPI number for Gregory Hayter is 1013222736. It was assigned to this individual provider in the NPPES registry on August 18, 2010.
Where is Gregory Hayter located?
Gregory Hayter practices at 1140 E Michigan Ave Ste 400, Lansing, MI 48912. The listed phone number is (517) 364-9650.
What is Gregory Hayter's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Gregory Hayter enrolled in Medicare?
Yes. Gregory Hayter 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 Gregory Hayter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Hayter reassigns Medicare benefits to 4 organizations: Edward W. Sparrow Hospital Association (Lansing, MI), Sparrow Eaton Hospital (East Lansing, MI), Sparrow Clinton Hospital (Saint Johns, MI) and Sparrow Carson Hospital (Fowler, 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 Gregory Hayter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Hayter accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Gregory Hayter 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 Gregory Hayter affiliated with any hospitals?
According to CMS data, Gregory Hayter is affiliated with Edward W Sparrow Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Hayter was last updated on September 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.