Doctor profile · Federal record

Dr. Margaret Hollar, DO

Neuroradiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Indianapolis, IN

  • NPI 1376546770
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
714 N Senate Ave, Ste Ef100
Indianapolis, IN 462023763
(317) 715-6402
fax (317) 715-6415
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
December 2, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2085N0700X — NUCC code
State licenses (3)
Indiana #02003362A · Indiana #02003362 · Texas #L4443
Medicaid (2)
IN #200911690 · TX #157975701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376546770. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,521
Distinct HCPCS
10
Medicare allowed
$85,227
HCPCS Description Services Patients Avg allowed
70450 Ct scan head or brain without contrast 579 555 $37
72125 Ct scan of upper spine without contrast 194 192 $44
70498 Ct scan of blood vessels of neck with contrast 119 117 $75
70551 Mri scan of brain without contrast 105 104 $66
70496 Ct scan of blood vessels of head with contrast 97 96 $79
70553 Mri scan of brain before and after contrast 88 87 $102
72148 Mri scan of lower spinal canal without contrast 54 54 $67
72141 Mri scan of upper spinal canal without contrast 37 37 $66
70486 Ct scan of face without contrast 34 34 $38
72131 Ct scan of lower spine without contrast 32 32 $43

In context: peer comparison

Among 4 peers in Indianapolis Neuroradiology Physician, average services per provider: 54. This provider delivers 28× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Hollar's medical specialty?
Dr. Margaret Hollar practices Neuroradiology Physician in Indianapolis, IN.
Where does Dr. Margaret Hollar practice?
Dr. Margaret Hollar practices at 714 N Senate Ave, Indianapolis, IN 462023763. Office phone: 3177156402.
What is Dr. Margaret Hollar's NPI?
Dr. Margaret Hollar's National Provider Identifier (NPI) is 1376546770, issued by NPPES.
Does Dr. Margaret Hollar accept Medicare assignment?
Yes. Dr. Margaret Hollar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Hollar commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Ct scan of upper spine without contrast (HCPCS 72125); Ct scan of blood vessels of neck with contrast (HCPCS 70498). Source: CMS Medicare Physician & Other Practitioners file.