DR. MARC PATRICK UNDERHILL (M.D.) – Diagnostic Radiology Physician, NPI 1619188661
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
847 DIAGNOSTIC RADIOLOGY in IN
Provider Addresses for DR. MARC PATRICK UNDERHILL (M.D.)
5901 TECHNOLOGY CENTER DR
INDIANAPOLIS, IN 462786013
Phone: (317) 328-5050
Fax: (317) 328-5053
Type: Mailing
52 W UNDERWOOD ST
ORLANDO, FL 328061110
Phone: (321) 842-8475
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $202.
Total Amount is formed as General ($202) + Research ($0) + Ownership ($0) = $202.
Last reported payment date: 2024-01-31 • Largest payer in this snapshot: Nuwellis, Inc. ($202).
Total Amount
$202
General + Research + Ownership
Payments
2
Total payment records
General Amount
$202
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Nuwellis, Inc. | $202 |
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: 2020-05-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20200502000230 | I | Diagnostic Radiology | FL | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 5,110 | 47 | $0 |
| 71045 | X-ray of chest, 1 view | 573 | 528 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 452 | 448 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 266 | 262 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 194 | 193 | $0 |
Insurance plans in this area (ZIP 46278)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology, Interventional Radiology | NY | |
| Diagnostic Radiology, Nuclear Medicine | FL | |
| - | FL | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL |
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