Dr. Thomas J. O'Neill IV, MD
- Medicare services, 2024
- 537
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 1,452
- MIPS score, 2024
- 91
- Hospital affiliations
- 5
- Practice address
- 7007 Powers Boulevard, Parma, OH 44129
- Practice phone
- Call (440) 743-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Neill'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. Thomas J. O'Neill IV is an internist in Cleveland, Ohio
Dr. O'Neill practices at University Hospitals Parma Medical Center in Parma, Ohio, part of University Hospitals Health System.
Dr. O'Neill's NPI, 1639373327, was assigned on June 14, 2007. Dr. O'Neill graduated from University of Virginia School of Medicine in 2007. Dr. O'Neill holds North Carolina license 141369.
- NPI
- 1639373327NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971799586
- NPI enumeration date
- June 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (440) 743-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas J. O'Neill IV practices at University Hospitals Parma Medical Center in Parma, Ohio
Dr. O'Neill's primary practice is University Hospitals Parma Medical Center, at 7007 Powers Boulevard, Parma, OH 44129 in Cuyahoga County. The practice phone is (440) 743-3000.
- University Hospitals Parma Medical Center7007 Powers Boulevard, Parma, OH 44129 · Cuyahoga CountyPhone(440) 743-3000
Source: Dmand AI Affiliation Data
Dr. Thomas J. O'Neill IV is affiliated with 5 sites of care and 1 medical group
Dr. O'Neill's primary practice is University Hospitals Parma Medical Center in Parma, Ohio, part of University Hospitals Health System. Dr. O'Neill is also affiliated with University Hospitals Cleveland Medical Center. The medical group on file is University Hospitals Medical Practices. Dmand AI also links Dr. O'Neill to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas J. O'Neill IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neill practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospitals Parma Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas J. O'Neill IV is one of 4,708 internists in Ohio
Internal medicine is Dr. O'Neill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Neill is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
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. Thomas J. O'Neill IV billed Medicare for 537 services in 2024
CMS data shows 537 Medicare services from Dr. O'Neill across 9 procedure codes in 2024, for 169 Medicare patients. Medicare paid $46,039 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Neill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2672024: 48080%
- Other services
- 2023: 02024: 57
- Tests and treatments
- 2023: 452024: 0100%
Dr. O'Neill compared with the Ohio median for internists, 2024
- Dr. O'Neill
- Ohio median
- Medicare services
- 537vs 48710% above
- Medicare patients
- 169vs 19212% below
- Part D claims
- 1,291vs 2944.4 times
Medians across 4,703 internists in Ohio 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Neill and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas J. O'Neill IV treated 169 Medicare patients in 2024, average age 73
CMS counts 169 Medicare patients who saw Dr. O'Neill in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have heart failure, and 75% have high blood pressure. 17% are also on Medicaid. Their average risk score is 2.45, 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 70, with 35% women.
Dr. O'Neill's Medicare patients by age, 2024
Dr. O'Neill's Medicare patients by sex, 2024
- Women6337%
- Men10663%
Chronic conditions among Dr. O'Neill's Medicare patients, 2024
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Chronic kidney disease63%
- Diabetes59%
- Atrial fibrillation57%
- Arthritis47%
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 70
Patient panel by sex, all payers
- Women35%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas J. O'Neill IV wrote 1,452 Medicare Part D claims in 2024
In 2024, Dr. O'Neill wrote 1,452 Medicare Part D claims for 209 patients. 78% of them were for generic drugs. CMS names the drug for 1,291 of them, across 30 drugs with 11 or more claims each, at $848,910 in total drug cost. In 2023, CMS named 765 claims across 24 drugs.
Dr. O'Neill's Part D claims by kind of drug, 2024
- Generic1,127 claims78%
- Brand-name and other325 claims22%
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: 7652024: 1,29169%
Drugs named by CMS: 30 in 2024, 24 in 2023.
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. Thomas J. O'Neill IV scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. O'Neill for performance year 2024, reported through an alternative payment model (APM). 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
Dr. O'Neill's MIPS scores, performance year 2024
- 91of 100Final score
- 82.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas J. O'Neill IV received $890 in industry payments from 2016 to 2025
CMS Open Payments shows 14 general payments to Dr. O'Neill from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. CVRx, Inc. paid the most, $408.
General payments to Dr. O'Neill by program year, 2016 to 2025
General payments to Dr. O'Neill by kind, 2016 to 2025
- Food and beverage$73483%
- Travel and lodging$15517%
Companies that paid Dr. O'Neill the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas J. O'Neill IV graduated from University of Virginia School of Medicine
Dr. O'Neill graduated from University of Virginia School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas J. O'Neill IV'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) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Thomas J. O'Neill IV
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. Thomas J. O'Neill IV's NPI number?
Dr. Thomas J. O'Neill IV's NPI number is 1639373327. It was assigned on June 14, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas J. O'Neill IV?
Dr. Thomas J. O'Neill IV is an internist in Cleveland, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas J. O'Neill IV practice?
Dr. O'Neill practices at 7007 Powers Boulevard, Parma, OH 44129. Dr. O'Neill's primary practice is University Hospitals Parma Medical Center in Parma, Ohio, part of University Hospitals Health System. Dmand AI also links Dr. O'Neill to 3 hospitals.
What is Dr. Thomas J. O'Neill IV's office phone number?
The practice phone on file for Dr. O'Neill is (440) 743-3000.
What is Dr. Thomas J. O'Neill IV's medical license number?
Dr. O'Neill holds North Carolina license 141369.
Which hospitals is Dr. Thomas J. O'Neill IV affiliated with?
Dr. O'Neill practices at University Hospitals Parma Medical Center in Parma, Ohio. Dr. O'Neill is also affiliated with University Hospitals Cleveland Medical Center. Dmand AI links Dr. O'Neill to 3 more hospitals.
What medical group is Dr. Thomas J. O'Neill IV part of?
Dr. O'Neill is linked to University Hospitals Medical Practices.
Does Dr. Thomas J. O'Neill IV accept Medicare?
Yes. CMS data shows Dr. O'Neill billed Medicare for 537 services in 2024, and Dr. O'Neill accepts Medicare assignment.
Does Dr. Thomas J. O'Neill IV offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Neill as offering telehealth services.
What is Dr. Thomas J. O'Neill IV's MIPS score?
Dr. O'Neill's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Thomas J. O'Neill IV see?
CMS counts 169 Medicare patients who saw Dr. O'Neill in 2024, with an average age of 73.
What services does Dr. Thomas J. O'Neill IV bill to Medicare?
In 2024, Dr. O'Neill's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and critical care (99291).
Where did Dr. Thomas J. O'Neill IV go to medical school?
Dr. O'Neill graduated from University of Virginia School of Medicine in 2007.
What drugs does Dr. Thomas J. O'Neill IV prescribe most?
In 2024 Medicare Part D data, Dr. O'Neill's most prescribed drugs by claims were Spironolactone, Metoprolol Succinate and Jardiance.
Has Dr. Thomas J. O'Neill IV received payments from drug or device companies?
CMS Open Payments shows $890 in general payments to Dr. O'Neill from 11 companies from 2016 to 2025. The largest total came from CVRx, Inc.
How long has Dr. Thomas J. O'Neill IV been practicing?
Dr. O'Neill graduated from medical school in 2007, 19 years ago.
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