Physician Profile
Margaret A. Hollar, DO
Unclaimed ProfileAbout Dr. Hollar
Based in Indianapolis, IN, Margaret A. Hollar, DO is listed in the NPI registry under nuclear medicine. Margaret graduated from Michigan State University College of Osteopathic Medicine in 1993. Margaret is also listed as specializing in diagnostic radiology. According to Medicare claims data, Margaret cared for 1,437 Medicare patients across 1,472 services. The services billed most often include ct scan head or brain without contrast, ct scan of upper spine without contrast, and ct scan of blood vessels of neck with contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (317) 715-6402
- Email not available
Practice Locations
714 N SENATE AVE STE EF100
Indianapolis, IN 46202
Procedures Most Often Billed to Medicare
1,472 services · 1,437 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
651 | More often than most peers in Nuclear Medicine |
| Ct scan of upper spine without contrast | Imaging | 72125 |
198 | More often than most peers in Nuclear Medicine |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
141 | More often than most peers in Nuclear Medicine |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
121 | More often than most peers in Nuclear Medicine |
| Mri scan of brain without contrast | Imaging | 70551 |
89 | As often as other peers in Nuclear Medicine |
| Mri scan of brain before and after contrast | Imaging | 70553 |
55 | Less often than most peers in Nuclear Medicine |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
44 | As often as other peers in Nuclear Medicine |
| Ct scan of face without contrast | Imaging | 70486 |
42 | As often as other peers in Nuclear Medicine |
| Ct scan of lower spine without contrast | Imaging | 72131 |
30 | As often as other peers in Nuclear Medicine |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
27 | Less often than most peers in Nuclear Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nuclear medicines in Indianapolis 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Michigan State University College of Osteopathic Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Michigan State University College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in IN who bill this service to Medicare most often.
Common questions
What does Dr. Hollar specialize in?
Dr. Hollar is a nuclear medicine in Indianapolis, IN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Hollar located?
Dr. Hollar is listed at 714 N Senate Ave Ste Ef100, Indianapolis, IN 46202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hollar's phone number?
The number on file is (317) 715-6402. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hollar's NPI number?
Dr. Hollar's National Provider Identifier is 1376546770. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hollar go to medical school?
Dr. Hollar attended Michigan State University College of Osteopathic Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hollar been practicing?
Dr. Hollar has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hollar do most often?
According to Medicare billing data, Dr. Hollar performs imaging including ct scan head or brain without contrast and ct scan of upper spine without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hollar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hollar. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.