MARGARET A HOLLAR (DO) – Neuroradiology Physician, NPI 1376546770
Neuroradiology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
847 DIAGNOSTIC RADIOLOGY in IN
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Provider Addresses for MARGARET A HOLLAR (DO)
North Senate Avenue, Fayette Street Conservation Area, Indianapolis, Marion, Indiana, 46202, United States
STE EF100
INDIANAPOLIS, IN 462023763
Phone: (317) 715-6402
Fax: (317) 715-6415
Type: Location
250 N SHADELAND AVE
INDIANAPOLIS, IN 462194959
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-09-25
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 |
|---|---|---|---|---|
| I20080925000491 | I | Diagnostic Radiology | IN | 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 |
|---|---|---|---|---|
| 70450 | Ct scan head or brain without contrast | 596 | 572 | $0 |
| 72125 | Ct scan of upper spine without contrast | 194 | 192 | $0 |
| 70551 | Mri scan of brain without contrast | 119 | 118 | $0 |
| 70498 | Ct scan of blood vessels of neck with contrast | 119 | 117 | $0 |
| 70553 | Mri scan of brain before and after contrast | 115 | 114 | $0 |
Insurance plans in this area (ZIP 46202)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | NC | |
| U R O L O G Y | IN | |
| Diagnostic Radiology, Interventional Radiology | NY | |
| Nurse Practitioner | IN | |
| P A T H O L O G Y | IN | |
| O T O L A R Y N G O L O G Y | IN | |
| E N D O C R I N O L O G Y | IN | |
| Family Practice, Sports Medicine | IN | |
| Gastroenterology, Internal Medicine | IN | |
| Orthopedic Surgery | MO |
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