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Dr. Margaret A. Hollar, DO
NPI1376546770PAC ID0345153888
- Medicare services, 2024
- 1,472
- Medicare patients, 2024
- 1,109
- Publications
- 4
- Hospital affiliations
- 5
- Medical groups
- 2
- Practice address
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Practice phone
- Call (317) 962-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hollar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Margaret A. Hollar is a neuroradiologist in Indianapolis, Indiana
Dr. Hollar practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. Hollar's NPI, 1376546770, was assigned on May 31, 2005. Dr. Hollar graduated from Michigan State University College of Osteopathic Medicine in 1993. Dr. Hollar holds Indiana license 02003362A.
NPI and contact details
- NPI
- 1376546770NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345153888
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret A. Hollar practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. Hollar's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.
- IU Health Methodist Hospital1701 N Senate Blvd, Indianapolis, IN 46202 · Marion CountyPhone(317) 962-2000
Source: Dmand AI Affiliation Data
Dr. Margaret A. Hollar is affiliated with 7 sites of care and 2 medical groups
Dr. Hollar's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dr. Hollar is also affiliated with IU Health Ball Memorial Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Hollar to 3 more hospitals, 1 behavioral health center, 1 group practice or clinic and 1 medical group, each named with a free account.
IU Health Ball Memorial HospitalIU Health Medical Group3 hospitalsNames with a free account1 behavioral health centerName with a free account1 group practice or clinicName with a free account1 medical groupName with a free account
See all 9 affiliations for Dr. HollarSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Margaret A. Hollar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hollar practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Methodist Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margaret A. Hollar is one of 18 neuroradiologists in Indiana
Neuroradiology is Dr. Hollar's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dmand AI has Dr. Hollar's licenses on file in 2 states: Indiana and Texas.
Specialties and state licenses
- Neuroradiology, IndianaPrimary
- Texas license
Neuroradiologists near Dr. Hollar
Counts of neuroradiologists with a Dmand AI profile, by place and practice. Each opens the list.
18neuroradiologists in Indiana
8neuroradiologists in Indianapolis
5neuroradiologists at IU Health Methodist HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Margaret A. Hollar billed Medicare for 1,472 services in 2024
CMS data shows 1,472 Medicare services from Dr. Hollar across 11 procedure codes in 2024, for 1,109 Medicare patients. Medicare paid $56,443 for them.
Medicare services, 20241,472
Medicare patients1,109
Paid by Medicare$56,443
Procedure codes11
Dr. Hollar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,5212024: 1,4723%
Where Dr. Hollar's Medicare services took place, 2024
- In an office624%
- In a facility1,41096%
Dr. Hollar compared with the Indiana median for neuroradiologists, 2024
- Dr. Hollar
- Indiana median
- Medicare services
- 1,472vs 99548% above
- Medicare patients
- 1,109vs 57095% above
Medians across 17 neuroradiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Hollar's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hollar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hollar and other neuroradiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret A. Hollar treated 1,109 Medicare patients in 2024, average age 75
CMS counts 1,109 Medicare patients who saw Dr. Hollar in 2024. The largest group is 75 to 84, with 405 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hollar's median patient age at 61, with 56% women.
Medicare patients, 20241,109
Average age75
Average risk score1.90
Also on Medicaid22%
Dr. Hollar's Medicare patients by age, 2024
Dr. Hollar's Medicare patients by sex, 2024
- Women64058%
- Men46942%
Chronic conditions among Dr. Hollar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Mood disorders50%
- Depression47%
- Anxiety45%
- Chronic kidney disease43%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hollar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Margaret A. Hollar takes part in Medicare
Dr. Hollar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Margaret A. Hollar has 4 publications on record
Dmand AI links 4 papers to Dr. Hollar in 2013. The most frequent topics are Magnetic Resonance Imaging and Tomography, X-Ray Computed. Dr. Hollar has published most often in Radiographics. Dr. Hollar's most frequent co-authors are Kumaresan Sandrasegaran, MD, Temel Tirkes, MD and Mark Tann, MD.
Papers4
Topics Dr. Hollar writes about most
- Magnetic Resonance Imaging
- Tomography, X-Ray Computed
Dr. Hollar's most frequent co-authors
- Kumaresan Sandrasegaran, MD4 shared papers
- Temel Tirkes, MD4 shared papers
- Mark Tann, MD3 shared papers
Recent publications by Dr. Hollar
Radiographics
Abdominal CavityAscitesDiagnostic Imaging
See who Dr. Hollar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hollar works with, so you can find a warm path to the right neuroradiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Margaret A. Hollar graduated from Michigan State University College of Osteopathic Medicine
Dr. Hollar graduated from Michigan State University College of Osteopathic Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Margaret A. Hollar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Margaret A. Hollar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Margaret A. Hollar's NPI number?
Dr. Margaret A. Hollar's NPI number is 1376546770. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret A. Hollar?
Dr. Margaret A. Hollar is a neuroradiologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. Margaret A. Hollar practice?
Dr. Hollar practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. Hollar's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. Hollar to 3 hospitals, 1 behavioral health center, 1 group practice or clinic and 1 medical group.
What is Dr. Margaret A. Hollar's office phone number?
The practice phone on file for Dr. Hollar is (317) 962-2000.
What is Dr. Margaret A. Hollar's medical license number?
Dr. Hollar holds Indiana license 02003362A, one of the licenses on file in 2 states.
Which states has Dr. Margaret A. Hollar been licensed in?
Dmand AI has state licenses on file for Dr. Hollar in Indiana and Texas.
Which hospitals is Dr. Margaret A. Hollar affiliated with?
Dr. Hollar practices at IU Health Methodist Hospital in Indianapolis, Indiana. Dr. Hollar is also affiliated with IU Health Ball Memorial Hospital. Dmand AI links Dr. Hollar to 3 more hospitals.
What medical group is Dr. Margaret A. Hollar part of?
Dr. Hollar is linked to IU Health Medical Group. Dmand AI links Dr. Hollar to 1 more medical group.
Does Dr. Margaret A. Hollar accept Medicare?
Yes. CMS data shows Dr. Hollar billed Medicare for 1,472 services in 2024, and Dr. Hollar accepts Medicare assignment.
How many Medicare patients does Dr. Margaret A. Hollar see?
CMS counts 1,109 Medicare patients who saw Dr. Hollar in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Margaret A. Hollar bill to Medicare?
In 2024, Dr. Hollar's most billed Medicare services were diagnostic imaging (70450), diagnostic imaging (72125) and diagnostic imaging (70498).
Where did Dr. Margaret A. Hollar go to medical school?
Dr. Hollar graduated from Michigan State University College of Osteopathic Medicine in 1993.
How long has Dr. Margaret A. Hollar been practicing?
Dr. Hollar graduated from medical school in 1993, 33 years ago.
Does Dr. Margaret A. Hollar do research?
Dmand AI links 4 publications to Dr. Hollar.
Who does Dr. Margaret A. Hollar publish with?
Dr. Hollar's most frequent co-authors are Kumaresan Sandrasegaran, MD (4 shared papers), Temel Tirkes, MD (4 shared papers) and Mark Tann, MD (3 shared papers).
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