Dr. Conor O'Neill, MD

  • Burlington, VT
  • General surgeon
NPI1053686196PAC ID9234432576
Medicare services, 2024
139
Medicare patients, 2024
121
Part D claims, 2024
76
Publications
23
Hospital affiliations
5
Practice address
111 Colchester Ave, Burlington, VT 05401
Practice phone
Call (802) 847-0000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Vermont Medical Center

Hospital · Burlington, Vermont

See all 9 affiliations

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Dr. Conor O'Neill is a general surgeon in Burlington, Vermont

Dr. O'Neill practices at University of Vermont Medical Center in Burlington, Vermont, part of University of Vermont Health Network.

Dr. O'Neill's NPI, 1053686196, was assigned on March 21, 2012. Dr. O'Neill graduated from The University of Texas Health Science Center at San Antonio in 2012. Dr. O'Neill holds Vermont license 042.0014842.

NPI and contact details
Medicare PAC ID
9234432576
NPI enumeration date
March 21, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(802) 847-0000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Conor O'Neill practices at University of Vermont Medical Center in Burlington, Vermont

Dr. O'Neill's primary practice is University of Vermont Medical Center, at 111 Colchester Ave, Burlington, VT 05401 in Chittenden County. The practice phone is (802) 847-0000.

Source: Dmand AI Affiliation Data

Dr. Conor O'Neill is affiliated with 7 sites of care and 2 medical groups

Dr. O'Neill's primary practice is University of Vermont Medical Center in Burlington, Vermont, part of University of Vermont Health Network. Dr. O'Neill is also affiliated with Champlain Valley Physicians Hospital. The medical group on file is University of Vermont Medical Center. Dmand AI also links Dr. O'Neill to 3 more hospitals, 1 dialysis center, 1 home health agency and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. O'Neill

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Conor O'Neill's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neill practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Vermont Medical CenterAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Conor O'Neill is one of 79 general surgeons in Vermont

Surgery is Dr. O'Neill's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. O'Neill's licenses on file in 2 states: Vermont and Kentucky.

Specialties and state licenses

  • Surgery, VermontPrimaryLicense 042.0014842 · taxonomy 208600000X
  • Kentucky licenseLicense 51165

General surgeons near Dr. O'Neill

Counts of general surgeons 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. Conor O'Neill billed Medicare for 139 services in 2024

CMS data shows 139 Medicare services from Dr. O'Neill across 4 procedure codes in 2024, all of them office visits, for 121 Medicare patients. Medicare paid $10,482 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024139
Medicare patients121
Paid by Medicare$10,482
Procedure codes4

Dr. O'Neill's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1382024: 1391%

Dr. O'Neill compared with the Vermont median for general surgeons, 2024

  • Dr. O'Neill
  • Vermont median
Medicare services
139vs 133Close to median
Medicare patients
121vs 1307% below
Part D claims
26vs 27Close to median

Medians across 78 general surgeons in Vermont with Dmand AI profiles that report each measure.

Dr. O'Neill'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.

See all procedures by Dr. O'Neill

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Conor O'Neill treated 121 Medicare patients in 2024, average age 72

CMS counts 121 Medicare patients who saw Dr. O'Neill in 2024. The largest group is 65 to 74, with 58 patients. 71% of them have high blood pressure, and 66% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.77, 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. O'Neill's median patient age at 72, with 50% women.

Medicare patients, 2024121
Average age72
Average risk score1.77
Also on Medicaid13%

Dr. O'Neill's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. O'Neill's Medicare patients by sex, 2024

  • Women4940%
  • Men7260%

Chronic conditions among Dr. O'Neill's Medicare patients, 2024

  1. High blood pressure71%
  2. High cholesterol66%
  3. Arthritis40%
  4. Cancer36%
  5. Diabetes28%
  6. Ischemic heart disease27%
  7. Mood disorders26%
  8. Depression23%

Share of Medicare patients with each condition. A patient can have several.

Dr. O'Neill's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Conor O'Neill wrote 76 Medicare Part D claims in 2024

In 2024, Dr. O'Neill wrote 76 Medicare Part D claims for 27 patients. 70% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $40,086 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

Part D claims, 202476
Drugs named by CMS2
Total drug cost$40,086
Part D patients27

Dr. O'Neill's Part D claims by kind of drug, 2024

  • Generic53 claims70%
  • Brand-name23 claims30%

Dr. O'Neill's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 142024: 2686%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. O'Neill

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Conor O'Neill offers telehealth to Medicare patients

Dr. O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Neill as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Conor O'Neill has 23 publications on record

Dmand AI links 23 papers to Dr. O'Neill, published from 2011 to 2025. 2020 was the busiest year, with 6. The most frequent topics are Northern Ireland, Adenocarcinoma and Administration, Oral. Dr. O'Neill has published most often in Am J Cancer Res. Dr. O'Neill's most frequent co-authors are Robert Cg Martin, MD, Jesse S. Moore, MD and Malcolm Brown.

Papers23
Years published2011 to 2025

Dr. O'Neill's papers by year, 2011 to 2025

Topics Dr. O'Neill writes about most

  • Northern Ireland
  • Adenocarcinoma
  • Administration, Oral
  • Antineoplastic Agents
  • Breast Neoplasms
  • Cariostatic Agents
  • Cell Line, Tumor
  • Dental Care for Children

Dr. O'Neill's most frequent co-authors

Recent publications by Dr. O'Neill

See all 23 publications and co-authors

See who Dr. O'Neill researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Neill works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Conor O'Neill received $17,129 in industry payments from 2018 to 2025

CMS Open Payments shows 55 general payments to Dr. O'Neill from 10 drug and device companies from 2018 to 2025. Education make up the largest share, 53% of the total. Intuitive Surgical, Inc. paid the most, $11,518.

General payments to Dr. O'Neill by program year, 2018 to 2025

General payments to Dr. O'Neill by kind, 2018 to 2025

$17.1Kin total
  • Education$9,00053%
  • Travel and lodging$3,96423%
  • Consulting fees$2,72916%
  • Food and beverage$1,4368%

Companies that paid Dr. O'Neill the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. O'Neill

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Conor O'Neill graduated from The University of Texas Health Science Center at San Antonio

Dr. O'Neill graduated from The University of Texas Health Science Center at San Antonio in 2012.

  1. Medical schoolThe University of Texas Health Science Center at San Antonio

Source: Dmand AI Professional Profile Data

Sources for Dr. Conor O'Neill's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Conor O'Neill

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. Conor O'Neill's NPI number?

Dr. Conor O'Neill's NPI number is 1053686196. It was assigned on March 21, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Conor O'Neill?

Dr. Conor O'Neill is a general surgeon in Burlington, Vermont. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Conor O'Neill practice?

Dr. O'Neill practices at 111 Colchester Ave, Burlington, VT 05401. Dr. O'Neill's primary practice is University of Vermont Medical Center in Burlington, Vermont, part of University of Vermont Health Network. Dmand AI also links Dr. O'Neill to 3 hospitals, 1 dialysis center, 1 home health agency and 1 medical group.

What is Dr. Conor O'Neill's office phone number?

The practice phone on file for Dr. O'Neill is (802) 847-0000.

What is Dr. Conor O'Neill's medical license number?

Dr. O'Neill holds Vermont license 042.0014842, one of the licenses on file in 2 states.

Which states has Dr. Conor O'Neill been licensed in?

Dmand AI has state licenses on file for Dr. O'Neill in Vermont and Kentucky.

Which hospitals is Dr. Conor O'Neill affiliated with?

Dr. O'Neill practices at University of Vermont Medical Center in Burlington, Vermont. Dr. O'Neill is also affiliated with Champlain Valley Physicians Hospital. Dmand AI links Dr. O'Neill to 3 more hospitals.

What medical group is Dr. Conor O'Neill part of?

Dr. O'Neill is linked to University of Vermont Medical Center. Dmand AI links Dr. O'Neill to 1 more medical group.

Does Dr. Conor O'Neill accept Medicare?

Yes. CMS data shows Dr. O'Neill billed Medicare for 139 services in 2024, and Dr. O'Neill accepts Medicare assignment.

Does Dr. Conor O'Neill offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. O'Neill as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Conor O'Neill see?

CMS counts 121 Medicare patients who saw Dr. O'Neill in 2024, with an average age of 72.

What services does Dr. Conor O'Neill bill to Medicare?

In 2024, Dr. O'Neill's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99205) and office visit, new patient (99204).

Where did Dr. Conor O'Neill go to medical school?

Dr. O'Neill graduated from The University of Texas Health Science Center at San Antonio in 2012.

What drugs does Dr. Conor O'Neill prescribe most?

In 2024 Medicare Part D data, Dr. O'Neill's most prescribed drugs by claims were Creon and Pantoprazole Sodium.

Has Dr. Conor O'Neill received payments from drug or device companies?

CMS Open Payments shows $17,129 in general payments to Dr. O'Neill from 10 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Conor O'Neill been practicing?

Dr. O'Neill graduated from medical school in 2012, 14 years ago.

Does Dr. Conor O'Neill do research?

Dmand AI links 23 publications to Dr. O'Neill, published from 2011 to 2025.

Who does Dr. Conor O'Neill publish with?

Dr. O'Neill's most frequent co-authors are Robert Cg Martin, MD (6 shared papers), Jesse S. Moore, MD (2 shared papers) and Malcolm Brown (1 shared paper).

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