MICHAEL F GRANTHAM (MD) – Diagnostic Radiology Physician, NPI 1649264342
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
847 DIAGNOSTIC RADIOLOGY in IN
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Provider Addresses for MICHAEL F GRANTHAM (MD)
620, West Edison Road, Mishawaka, Saint Joseph County, Indiana, 46545, United States
SUITE 110
MISHAWAKA, IN 465452784
Phone: (574) 258-1100
Fax: (574) 258-1101
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $4,009.
Total Amount is formed as General ($4,009) + Research ($0) + Ownership ($0) = $4,009.
Last reported payment date: 2024-05-20 • Largest payer in this snapshot: GE HealthCare ($1,688).
Total Amount
$4,009
General + Research + Ownership
Payments
28
Total payment records
General Amount
$4,009
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GE HealthCare | $1,688 |
| GE HEALTHCARE | $1,682 |
| Siemens Medical Solutions USA, Inc. | $640 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-09-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20031204000019 | I | Diagnostic Radiology | IN | TBD |
| I20240921000059 | I | Diagnostic Radiology | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 1,217 | 886 | $0 |
| 70450 | Ct scan head or brain without contrast | 340 | 292 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 252 | 250 | $0 |
| 71046 | X-ray of chest, 2 views | 229 | 222 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 140 | 137 | $0 |
Insurance plans in this area (ZIP 46545)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IN | 71010 | X-ray of chest, 1 view, front | 560 | 484 |
| DIAGNOSTIC RADIOLOGY | IN | 71250 | CT scan chest | 39 | 38 |
| DIAGNOSTIC RADIOLOGY | IN | 73110 | X-ray of wrist, minimum of 3 views | 13 | 11 |
| DIAGNOSTIC RADIOLOGY | IN | 73630 | X-ray of foot, minimum of 3 views | 38 | 34 |
| DIAGNOSTIC RADIOLOGY | IN | 74177 | CT scan of abdomen and pelvis with contrast | 104 | 102 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology, Interventional Radiology, Nuclear Medicine | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN | |
| - | IN | |
| Diagnostic Radiology, Interventional Radiology | IN |
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