Dr. Owen Joseph O'Neill, MD

  • Sleepy Hollow, NY
  • Internist
NPI1447290119PAC ID0840278073
Medicare services, 2024
295
Medicare patients, 2024
22
Publications
5
Clinical trials
4
Hospital affiliations
2
Practice address
701 North Broadway, Sleepy Hollow, NY 10591
Practice phone
Call (914) 366-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Phelps Hospital

Hospital · Sleepy Hollow, New York

See all 4 affiliations

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Dr. Owen Joseph O'Neill is an internist in Sleepy Hollow, New York

Dr. O'Neill practices at Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health.

Dr. O'Neill's NPI, 1447290119, was assigned on June 8, 2006. Dr. O'Neill graduated from Universidad Central del Este Facultad de Medicina in 1981. Dr. O'Neill holds New York license 176762.

NPI and contact details
Medicare PAC ID
0840278073
NPI enumeration date
June 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(914) 366-3000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1981

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

Dr. Owen Joseph O'Neill practices at Phelps Hospital in Sleepy Hollow, New York

Dr. O'Neill's primary practice is Phelps Hospital, at 701 North Broadway, Sleepy Hollow, NY 10591 in Westchester County. The practice phone is (914) 366-3000.

  • Phelps Hospital
    701 North Broadway, Sleepy Hollow, NY 10591 · Westchester CountyPhone(914) 366-3000

Source: Dmand AI Affiliation Data

Dr. Owen Joseph O'Neill is affiliated with 4 sites of care

Dr. O'Neill's primary practice is Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health. Dr. O'Neill is also affiliated with Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. O'Neill to 1 more breast imaging center and 1 physician office, each named with a free account.

See all 4 affiliations for Dr. O'Neill

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neill practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Phelps HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Owen Joseph O'Neill is one of 9,643 internists in New York

Internal medicine is Dr. O'Neill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Neill is board certified in certified in hyperbaric medicine by the American College of Hyperbaric Medicine. Dmand AI has Dr. O'Neill's licenses on file in 10 states: New York, California, New Jersey, District of Columbia, Florida, Michigan, Ohio, Texas, Virginia and Washington.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 176762 · 1988 to 2026 · taxonomy 207R00000X
  • California license2021 to 2027
  • New Jersey license1988 to 2027
  • District of Columbia license2018 to 2026
  • Florida license1989 to 2026
  • Michigan license2018 to 2026
  • Ohio license2017 to 2026
  • Texas license2023 to 2026
  • Virginia license2017 to 2026
  • Washington license2016 to 2025

Clinical focus

Dmand AI lists contact dermatitis and joint or bone infection among the conditions Dr. O'Neill treats.

Internists near Dr. O'Neill

Counts of internists 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. Owen Joseph O'Neill billed Medicare for 295 services in 2024

CMS data shows 295 Medicare services from Dr. O'Neill across 2 procedure codes in 2024, for 22 Medicare patients. Medicare paid $28,087 for them.

Medicare services, 2024295
Medicare patients22
Paid by Medicare$28,087
Procedure codes2

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

  • 2023
  • 2024
Tests and treatments
2023: 4742024: 28440%
Office and hospital visits
2023: 352024: 1169%

Where Dr. O'Neill's Medicare services took place, 2024

  • In an office114%
  • In a facility28496%

Dr. O'Neill compared with the New York median for internists, 2024

  • Dr. O'Neill
  • New York median
Medicare services
295vs 42631% below
Medicare patients
22vs 15886% below

Medians across 9,428 internists in New York 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

Need commercial claims for Dr. O'Neill?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Neill and other internists in New York.

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

Dr. Owen Joseph O'Neill treated 22 Medicare patients in 2024, average age 75

CMS counts 22 Medicare patients who saw Dr. O'Neill in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.19, 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 65, with 49% women.

Medicare patients, 202422
Average age75
Average risk score2.19

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer64%
  4. Ischemic heart disease50%

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 65

Patient panel by sex, all payers

  • Women49%
  • Men46%

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

How Dr. Owen Joseph O'Neill takes part in Medicare

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

Accepts Medicare assignment
Yes

Removal of tissue: 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. Owen Joseph O'Neill has 5 publications on record

Dmand AI links 5 papers to Dr. O'Neill in 2021. 2021 was the busiest year, with 2. The most frequent topics are Pressure, Barotrauma and Ear Diseases. Dr. O'Neill has published most often in Undersea Hyperb Med. Dr. O'Neill's most frequent co-authors are David Dayya, DO, MPH and Lince K. Varughese, MD.

Papers5

Topics Dr. O'Neill writes about most

  • Pressure
  • Barotrauma
  • Ear Diseases
  • Ear, Middle
  • Eustachian Tube
  • Hyperbaric Oxygenation
  • Withholding Treatment

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

Recent publications by Dr. O'Neill

See all 5 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 internists.

How network discovery works

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

Dr. Owen Joseph O'Neill has worked on 4 clinical trials

Dmand AI links Dr. O'Neill to 4 clinical trials. 2 are still active or recruiting. Conditions studied include Pressure Ulcer, Skin Ulcer and Barotrauma. Northwell Health sponsors the most, 4.

Conditions in Dr. O'Neill's trials

  • Pressure Ulcer
  • Skin Ulcer
  • Barotrauma
  • Hypoxia
  • Respiratory Insufficiency

Investigators on the most trials with Dr. O'Neill

Recent clinical trials with Dr. O'Neill

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Owen Joseph O'Neill received $55 in industry payments from 2017 to 2020

CMS Open Payments shows 3 general payments to Dr. O'Neill from 1 drug or device company from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $55.

General payments to Dr. O'Neill by program year, 2017 to 2020

Companies that paid Dr. O'Neill the most, 2017 to 2020

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. Owen Joseph O'Neill has 7 awards and honors on record

Dmand AI lists 7 awards for Dr. O'Neill, most recently Visiting Scholar in 2020. Dr. O'Neill serves on Diving Committee, Publications Committee and Undersea & Hyperbaric Medical Sciety Education Committee.

Awards and honors for Dr. O'Neill

  1. 2020
    • Visiting Scholar
  2. 2018
    • Commercial Diving Award
  3. 2014
    • Fellow in Undersea & Hyperbaric Medicine
  4. 2013
    • Edgar M. End Lectureship Award
    • Founding Fellow Certified
  5. 2011
    • Deans Award for Innovative Program Development
See all 7 awards

Dr. O'Neill's committees and leadership roles

Diving CommitteeUndersea & Hyperbaric Medical Society
2017 to present
Publications CommitteeUndersea & Hyperbaric Medicine
2014 to present
Undersea & Hyperbaric Medical Sciety Education CommitteeCo-Chair
2014 to present

Source: Dmand AI Professional Profile Data

Dr. Owen Joseph O'Neill graduated from Universidad Central del Este Facultad de Medicina

Dr. O'Neill graduated from Universidad Central del Este Facultad de Medicina in 1981. Dr. O'Neill is a member of Aerospace Medical Association, American College of Hyperbaric Medicine, AMA, American Professional Wound Care Association and Undersea & Hyperbaric Medical Society.

  1. Medical schoolUniversidad Central del Este Facultad de Medicina
  2. Board certified in certified in hyperbaric medicineAmerican College of Hyperbaric Medicine
  3. Board certified in national certification in uhm 1993Kindwall Undersea & Hyperbaric Medicine National Certification Program

Source: Dmand AI Professional Profile Data

Dr. Owen Joseph O'Neill accepts plans from 10 insurance carriers

Dr. O'Neill is in network with 10 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Aetna
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. O'Neill accepts, by number of carriers

  1. HMO7
  2. PPO5
  3. Medicare2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Owen Joseph 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)
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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Owen Joseph 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. Owen Joseph O'Neill's NPI number?

Dr. Owen Joseph O'Neill's NPI number is 1447290119. It was assigned on June 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Owen Joseph O'Neill?

Dr. Owen Joseph O'Neill is an internist in Sleepy Hollow, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Owen Joseph O'Neill practice?

Dr. O'Neill practices at 701 North Broadway, Sleepy Hollow, NY 10591. Dr. O'Neill's primary practice is Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health. Dmand AI also links Dr. O'Neill to 1 breast imaging center and 1 physician office.

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

The practice phone on file for Dr. O'Neill is (914) 366-3000.

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

Dr. O'Neill holds New York license 176762, one of the licenses on file in 10 states.

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

Dmand AI has state licenses on file for Dr. O'Neill in New York (1988 to 2026), California (2021 to 2027), New Jersey (1988 to 2027), District of Columbia (2018 to 2026), Florida (1989 to 2026), Michigan (2018 to 2026), Ohio (2017 to 2026), Texas (2023 to 2026), Virginia (2017 to 2026) and Washington (2016 to 2025).

Which hospitals is Dr. Owen Joseph O'Neill affiliated with?

Dr. O'Neill practices at Phelps Hospital in Sleepy Hollow, New York. Dr. O'Neill is also affiliated with Memorial Sloan Kettering Cancer Center.

Does Dr. Owen Joseph O'Neill accept Medicare?

Yes. CMS data shows Dr. O'Neill billed Medicare for 295 services in 2024, and Dr. O'Neill accepts Medicare assignment.

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

CMS counts 22 Medicare patients who saw Dr. O'Neill in 2024, with an average age of 75.

Is Dr. Owen Joseph O'Neill board certified?

Yes. Dr. O'Neill is board certified in certified in hyperbaric medicine by the American College of Hyperbaric Medicine.

Show 7 more questionsShow fewer questions

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

In 2024, Dr. O'Neill's most billed Medicare services were special service (99183) and office visit, new patient (99204).

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

Dr. O'Neill graduated from Universidad Central del Este Facultad de Medicina in 1981.

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

CMS Open Payments shows $55 in general payments to Dr. O'Neill from 1 company from 2017 to 2020. The largest total came from Smith & Nephew, Inc.

How long has Dr. Owen Joseph O'Neill been practicing?

Dr. O'Neill graduated from medical school in 1981, 45 years ago.

Does Dr. Owen Joseph O'Neill do research?

Dmand AI links 5 publications to Dr. O'Neill. Dr. O'Neill has worked on 4 clinical trials.

Who does Dr. Owen Joseph O'Neill publish with?

Dr. O'Neill's most frequent co-authors are David Dayya, DO, MPH (4 shared papers) and Lince K. Varughese, MD (2 shared papers).

What insurance does Dr. Owen Joseph O'Neill accept?

Dr. O'Neill is in network with 10 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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