MICHAEL F GRANTHAM MD
NPI 1649264342
Radiology - Diagnostic Radiology in Mishawaka, IN
About Michael F Grantham Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL F GRANTHAM MD (NPI 1649264342) is an individual diagnostic radiology provider in Mishawaka, Indiana, licensed in Indiana (01051989) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and is a graduate of University Of North Dakota School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses 8
Other Identifiers 3
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
Michael F Grantham Md 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 Reassignment
Medicare enrollment records show Michael Grantham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mishawaka, IN 46545
- Reassigned Medicare billing, Indiana and Michigan enrollments
- 38 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 83
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Franciscan Health Michigan City
Acute Care Hospitals · Michigan City, INElkhart General Hospital
Acute Care Hospitals · Elkhart, INGoshen Hospital
Acute Care Hospitals · Goshen, INMemorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INThree Rivers Health
Acute Care Hospitals · Three Rivers, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46545 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.
MISHAWAKA, IN 46545
MISHAWAKA, IN 46545
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 Michael Grantham's NPI number?
The NPI number for Michael Grantham is 1649264342. It was assigned to this individual provider in the NPPES registry on September 8, 2005.
Where is Michael Grantham located?
Michael Grantham practices at 620 W Edison Rd Suite 110, Mishawaka, IN 46545. The listed phone number is (574) 258-1100.
What is Michael Grantham's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michael Grantham enrolled in Medicare?
Yes. Michael Grantham 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 organization bills Medicare for Michael Grantham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Grantham reassigns Medicare benefits to Radiology, Inc (Mishawaka, IN). The 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 Michael Grantham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Grantham accept?
Health plans from CareSource list Michael Grantham 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 Michael Grantham affiliated with any hospitals?
According to CMS data, Michael Grantham is affiliated with Franciscan Health Michigan City, Elkhart General Hospital, Goshen Hospital, Memorial Hospital Of South Bend and Three Rivers Health.
When was this NPI record last updated?
The NPPES record for Michael Grantham was last updated on May 16, 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.