Dr. Nicholas O'Neil, MD
- Medicare services, 2024
- 58
- Medicare patients, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $69
- State license
- 1
- 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. O'Neil'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. Nicholas O'Neil is an anesthesiologist in Indianapolis, Indiana
Dr. O'Neil practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. O'Neil's NPI, 1417963372, was assigned on July 31, 2006. Dr. O'Neil graduated from Indiana University School of Medicine in 1982. Dr. O'Neil holds Indiana license 01032111.
- NPI
- 1417963372NPI Registry (opens in a new tab)
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nicholas O'Neil practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. O'Neil'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. Nicholas O'Neil is affiliated with 2 sites of care
Dr. O'Neil's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. O'Neil to 1 behavioral health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicholas O'Neil's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neil practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas O'Neil is one of 1,172 anesthesiologists in Indiana
Anesthesiology is Dr. O'Neil's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. O'Neil is licensed in Indiana.
Specialties and state licenses
- Anesthesiology, IndianaPrimary
Anesthesiologists near Dr. O'Neil
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicholas O'Neil billed Medicare for 58 services in 2024
CMS data shows 58 Medicare services from Dr. O'Neil across 2 procedure codes in 2024, for 100 Medicare patients. Medicare paid $6,968 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Neil's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 142024: 58314%
Dr. O'Neil compared with the Indiana median for anesthesiologists, 2024
- Dr. O'Neil
- Indiana median
- Medicare services
- 58vs 6815% below
- Medicare patients
- 100vs 13224% below
Medians across 1,200 anesthesiologists in Indiana with Dmand AI profiles that report each measure.
Dr. O'Neil'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Neil and other anesthesiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas O'Neil treated 100 Medicare patients in 2024, average age 74
CMS counts 100 Medicare patients who saw Dr. O'Neil in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Neil's median patient age at 48, with 58% women.
Dr. O'Neil's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. O'Neil's Medicare patients by sex, 2024
- Women6060%
- Men4040%
Chronic conditions among Dr. O'Neil's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes37%
- Ischemic heart disease34%
- Mood disorders28%
- Anxiety27%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Neil's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Nicholas O'Neil received $69 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. O'Neil from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $37.
General payments to Dr. O'Neil by program year, 2016 to 2017
Companies that paid Dr. O'Neil the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas O'Neil graduated from Indiana University School of Medicine
Dr. O'Neil graduated from Indiana University School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas O'Neil'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Nicholas O'Neil
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. Nicholas O'Neil's NPI number?
Dr. Nicholas O'Neil's NPI number is 1417963372. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas O'Neil?
Dr. Nicholas O'Neil is an anesthesiologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Nicholas O'Neil practice?
Dr. O'Neil practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. O'Neil's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. O'Neil to 1 behavioral health center.
What is Dr. Nicholas O'Neil's office phone number?
The practice phone on file for Dr. O'Neil is (317) 962-2000.
What is Dr. Nicholas O'Neil's medical license number?
Dr. O'Neil holds Indiana license 01032111.
Which hospitals is Dr. Nicholas O'Neil affiliated with?
Dr. O'Neil practices at IU Health Methodist Hospital in Indianapolis, Indiana.
Does Dr. Nicholas O'Neil accept Medicare?
Yes. CMS data shows Dr. O'Neil billed Medicare for 58 services in 2024.
How many Medicare patients does Dr. Nicholas O'Neil see?
CMS counts 100 Medicare patients who saw Dr. O'Neil in 2024, with an average age of 74.
What services does Dr. Nicholas O'Neil bill to Medicare?
In 2024, Dr. O'Neil's most billed Medicare services were anesthesia (01402) and anesthesia (01214).
Where did Dr. Nicholas O'Neil go to medical school?
Dr. O'Neil graduated from Indiana University School of Medicine in 1982.
Has Dr. Nicholas O'Neil received payments from drug or device companies?
CMS Open Payments shows $69 in general payments to Dr. O'Neil from 2 companies from 2016 to 2017. The largest total came from Halyard Health, Inc.
How long has Dr. Nicholas O'Neil been practicing?
Dr. O'Neil graduated from medical school in 1982, 44 years ago.
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