Dr. Terence W. O'Neill, MD
- Medicare services, 2024
- 281
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 2,986
- Publications
- 176
- Clinical trials
- 1
- Practice address
- 800 Rose Street, Lexington, KY 40536
- Practice phone
- Call (859) 257-2278
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Terence W. O'Neill is an internist in Lexington, Kentucky
Dr. O'Neill practices at University of Kentucky Albert B. Chandler Hospital in Lexington, Kentucky, part of University of Kentucky HealthCare.
Dr. O'Neill's NPI, 1275560666, was assigned on June 28, 2006. Dr. O'Neill graduated from University of Kentucky College of Medicine in 1989. Dr. O'Neill holds Kentucky license 27683.
- NPI
- 1275560666NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971519901
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (859) 257-2278
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Terence W. O'Neill practices at University of Kentucky Albert B. Chandler Hospital in Lexington, Kentucky
Dr. O'Neill's primary practice is University of Kentucky Albert B. Chandler Hospital, at 800 Rose Street, Lexington, KY 40536 in Fayette County. The practice phone is (859) 257-2278.
- University of Kentucky Albert B. Chandler Hospital800 Rose Street, Lexington, KY 40536 · Fayette CountyPhone(859) 257-2278
Source: Dmand AI Affiliation Data
Dr. Terence W. O'Neill is affiliated with 3 sites of care and 3 medical groups
Dr. O'Neill's primary practice is University of Kentucky Albert B. Chandler Hospital in Lexington, Kentucky, part of University of Kentucky HealthCare. Dr. O'Neill is also affiliated with Baptist Health Lexington. The medical group on file is University of Kentucky General Pediatrics. Dmand AI also links Dr. O'Neill to 1 more hospital and 2 medical groups, 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. Terence W. O'Neill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neill practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Kentucky Albert B. Chandler Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Terence W. O'Neill is one of 1,380 internists in Kentucky
Internal medicine is Dr. O'Neill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Neill is licensed in Kentucky.
Specialties and state licenses
- Internal medicine, KentuckyPrimary
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. Terence W. O'Neill billed Medicare for 281 services in 2024
CMS data shows 281 Medicare services from Dr. O'Neill across 3 procedure codes in 2024, for 111 Medicare patients. Medicare paid $20,545 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: 2072024: 22810%
- Other services
- 2023: 532024: 53No change
Dr. O'Neill compared with the Kentucky median for internists, 2024
- Dr. O'Neill
- Kentucky median
- Medicare services
- 281vs 61354% below
- Medicare patients
- 111vs 22350% below
- Part D claims
- 2,457vs 3686.7 times
Medians across 1,380 internists in Kentucky 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 Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Terence W. O'Neill treated 111 Medicare patients in 2024, average age 77
CMS counts 111 Medicare patients who saw Dr. O'Neill in 2024. The largest group is 75 to 84, with 48 patients. 75% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Neill's median patient age at 74, with 41% women.
Dr. O'Neill's Medicare patients by age, 2024
Dr. O'Neill's Medicare patients by sex, 2024
- Women4036%
- Men7164%
Chronic conditions among Dr. O'Neill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Arthritis44%
- Diabetes30%
- Ischemic heart disease27%
- Atrial fibrillation20%
- Cancer16%
- Chronic kidney disease16%
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 74
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Terence W. O'Neill wrote 2,986 Medicare Part D claims in 2024
In 2024, Dr. O'Neill wrote 2,986 Medicare Part D claims for 178 patients. 87% of them were for generic drugs. CMS names the drug for 2,457 of them, across 64 drugs with 11 or more claims each, at $269,108 in total drug cost. In 2023, CMS named 2,142 claims across 63 drugs.
Dr. O'Neill's Part D claims by kind of drug, 2024
- Generic2,587 claims87%
- Brand-name387 claims13%
- Other12 claims0%
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.
Drug classes CMS tracks in Dr. O'Neill's Part D claims, 2024
- Opioids1%34 of 2,986 claims
- Antibiotics2%62 of 2,986 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,1422024: 2,45715%
Drugs named by CMS: 64 in 2024, 63 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. Terence W. O'Neill scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. O'Neill for performance year 2024, reported as part of a group. Dr. O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. O'Neill's MIPS scores, performance year 2024
- 86of 100Final score
- 68.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
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. Terence W. O'Neill has 176 publications on record
Dmand AI links 176 papers to Dr. O'Neill, published from 2010 to 2025. 2016 was the busiest year, with 15. The most frequent topics are Aging, Europe and Osteoarthritis, Knee. Dr. O'Neill has published most often in J Clin Endocrinol Metab. Dr. O'Neill's most frequent co-authors are David T. Felson, MD, Eric Smith Orwoll, MD and Adrian S. Dobs, MD.
Dr. O'Neill's papers by year, 2016 to 2025
Topics Dr. O'Neill writes about most
- Aging
- Europe
- Osteoarthritis, Knee
- Testosterone
- Bone Density
- United Kingdom
- Frail Elderly
- Knee Joint
Dr. O'Neill's most frequent co-authors
- David T. Felson, MD21 shared papers
- Eric Smith Orwoll, MD10 shared papers
- Adrian S. Dobs, MD7 shared papers
Recent publications by Dr. O'Neill
Calcif Tissue Int
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.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Terence W. O'Neill has worked on 1 clinical trial
Dmand AI links Dr. O'Neill to 1 clinical trial. Conditions studied include Arthritis, Psoriatic and Spondylarthropathies.
Conditions in Dr. O'Neill's trials
- Arthritis, Psoriatic
- Spondylarthropathies
Recent clinical trials with Dr. O'Neill
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Terence W. O'Neill received $113 in industry payments from 2016 to 2019
CMS Open Payments shows 8 general payments to Dr. O'Neill from 5 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $35.
General payments to Dr. O'Neill by program year, 2016 to 2019
Companies that paid Dr. O'Neill the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Terence W. O'Neill graduated from University of Kentucky College of Medicine
Dr. O'Neill graduated from University of Kentucky College of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Terence W. O'Neill'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Terence W. O'Neill
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What is Dr. Terence W. O'Neill's NPI number?
Dr. Terence W. O'Neill's NPI number is 1275560666. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Terence W. O'Neill?
Dr. Terence W. O'Neill is an internist in Lexington, Kentucky. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Terence W. O'Neill practice?
Dr. O'Neill practices at 800 Rose Street, Lexington, KY 40536. Dr. O'Neill's primary practice is University of Kentucky Albert B. Chandler Hospital in Lexington, Kentucky, part of University of Kentucky HealthCare. Dmand AI also links Dr. O'Neill to 1 hospital and 2 medical groups.
What is Dr. Terence W. O'Neill's office phone number?
The practice phone on file for Dr. O'Neill is (859) 257-2278.
What is Dr. Terence W. O'Neill's medical license number?
Dr. O'Neill holds Kentucky license 27683.
Which hospitals is Dr. Terence W. O'Neill affiliated with?
Dr. O'Neill practices at University of Kentucky Albert B. Chandler Hospital in Lexington, Kentucky. Dr. O'Neill is also affiliated with Baptist Health Lexington. Dmand AI links Dr. O'Neill to 1 more hospital.
What medical group is Dr. Terence W. O'Neill part of?
Dr. O'Neill is linked to University of Kentucky General Pediatrics. Dmand AI links Dr. O'Neill to 2 more medical groups.
Does Dr. Terence W. O'Neill accept Medicare?
Yes. CMS data shows Dr. O'Neill billed Medicare for 281 services in 2024, and Dr. O'Neill accepts Medicare assignment.
What is Dr. Terence W. O'Neill's MIPS score?
Dr. O'Neill's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Terence W. O'Neill see?
CMS counts 111 Medicare patients who saw Dr. O'Neill in 2024, with an average age of 77.
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What services does Dr. Terence W. O'Neill bill to Medicare?
In 2024, Dr. O'Neill's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Terence W. O'Neill go to medical school?
Dr. O'Neill graduated from University of Kentucky College of Medicine in 1989.
What drugs does Dr. Terence W. O'Neill prescribe most?
In 2024 Medicare Part D data, Dr. O'Neill's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Terence W. O'Neill received payments from drug or device companies?
CMS Open Payments shows $113 in general payments to Dr. O'Neill from 5 companies from 2016 to 2019. The largest total came from Amgen Inc.
How long has Dr. Terence W. O'Neill been practicing?
Dr. O'Neill graduated from medical school in 1989, 37 years ago.
Does Dr. Terence W. O'Neill do research?
Dmand AI links 176 publications to Dr. O'Neill, published from 2010 to 2025. Dr. O'Neill has worked on 1 clinical trial.
Who does Dr. Terence W. O'Neill publish with?
Dr. O'Neill's most frequent co-authors are David T. Felson, MD (21 shared papers), Eric Smith Orwoll, MD (10 shared papers) and Adrian S. Dobs, MD (7 shared papers).
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