Am J Emerg Med
Dr. Thomas William O'Connell, MD
- Medicare services, 2024
- 260
- Medicare patients, 2024
- 239
- Part D claims, 2024
- 138
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 114 Woodland Street & 500 Blue Hills Avenue, Hartford, CT 06105
- Practice phone
- Call (860) 714-5541
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Connell'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 William O'Connell is an emergency medicine physician in Hartford, Connecticut
Dr. O'Connell practices at Saint Francis Hospital in Hartford, Connecticut, part of Trinity Health.
Dr. O'Connell's NPI, 1548622160, was assigned on March 23, 2016. Dr. O'Connell holds New York license 304173.
- NPI
- 1548622160NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436563475
- NPI enumeration date
- March 23, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 714-5541
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas William O'Connell practices at Saint Francis Hospital in Hartford, Connecticut
Dr. O'Connell's primary practice is Saint Francis Hospital, at 114 Woodland Street & 500 Blue Hills Avenue, Hartford, CT 06105 in Hartford County. The practice phone is (860) 714-5541.
- Saint Francis Hospital114 Woodland Street & 500 Blue Hills Avenue, Hartford, CT 06105 · Hartford CountyPhone(860) 714-5541
Source: Dmand AI Affiliation Data
Dr. Thomas William O'Connell is affiliated with 1 site of care and 4 medical groups
Dr. O'Connell's primary practice is Saint Francis Hospital in Hartford, Connecticut, part of Trinity Health. The medical group on file is Vituity. Dmand AI also links Dr. O'Connell to 3 more 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. Thomas William O'Connell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Francis Hospital | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas William O'Connell is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. O'Connell's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. O'Connell is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. O'Connell
Counts of emergency medicine physicians 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 William O'Connell billed Medicare for 260 services in 2024
CMS data shows 260 Medicare services from Dr. O'Connell across 5 procedure codes in 2024, for 239 Medicare patients. Medicare paid $30,052 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Connell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2402024: 2494%
- Tests and treatments
- 2023: 02024: 11
Dr. O'Connell compared with the Connecticut median for emergency medicine physicians, 2024
- Dr. O'Connell
- Connecticut median
- Medicare services
- 260vs 2437% above
- Medicare patients
- 239vs 250Close to median
- Part D claims
- 60vs 4825% above
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. O'Connell'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.
Need commercial claims for Dr. O'Connell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connell and other emergency medicine physicians in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas William O'Connell treated 239 Medicare patients in 2024, average age 76
CMS counts 239 Medicare patients who saw Dr. O'Connell in 2024. The largest group is 75 to 84, with 78 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.51, 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'Connell's median patient age at 73, with 55% women.
Dr. O'Connell's Medicare patients by age, 2024
Dr. O'Connell's Medicare patients by sex, 2024
- Women13657%
- Men10343%
Chronic conditions among Dr. O'Connell's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis62%
- Mood disorders50%
- Anxiety49%
- Ischemic heart disease47%
- Heart failure46%
- Depression45%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Connell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas William O'Connell wrote 138 Medicare Part D claims in 2024
In 2024, Dr. O'Connell wrote 138 Medicare Part D claims for 92 patients. 93% of them were for generic drugs. CMS names the drug for 60 of them, across 4 drugs with 11 or more claims each, at $357 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.
Dr. O'Connell's Part D claims by kind of drug, 2024
- Generic129 claims93%
- Brand-name and other9 claims7%
Dr. O'Connell'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'Connell's Part D claims, 2024
- Opioids10%14 of 138 claims
- Antibiotics25%35 of 138 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: 402024: 6050%
Drugs named by CMS: 4 in 2024, 3 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
How Dr. Thomas William O'Connell takes part in Medicare
Dr. O'Connell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas William O'Connell has 1 publication on record
Dmand AI links 1 paper to Dr. O'Connell in 2020. Dr. O'Connell's most frequent co-authors are Jason R. Raggi, DO and Daniel Singer, MD.
Dr. O'Connell's most frequent co-authors
- Jason R. Raggi, DO1 shared paper
- Daniel Singer, MD1 shared paper
Recent publications by Dr. O'Connell
See who Dr. O'Connell researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Connell works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas William O'Connell received $20 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. O'Connell from 1 drug or device company in 2024. Education make up the largest share, 100% of the total. CSL Behring paid the most, $20.
Companies that paid Dr. O'Connell the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas William O'Connell'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 William O'Connell
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 William O'Connell's NPI number?
Dr. Thomas William O'Connell's NPI number is 1548622160. It was assigned on March 23, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas William O'Connell?
Dr. Thomas William O'Connell is an emergency medicine physician in Hartford, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas William O'Connell practice?
Dr. O'Connell practices at 114 Woodland Street & 500 Blue Hills Avenue, Hartford, CT 06105. Dr. O'Connell's primary practice is Saint Francis Hospital in Hartford, Connecticut, part of Trinity Health. Dmand AI also links Dr. O'Connell to 3 medical groups.
What is Dr. Thomas William O'Connell's office phone number?
The practice phone on file for Dr. O'Connell is (860) 714-5541.
What is Dr. Thomas William O'Connell's medical license number?
Dr. O'Connell holds New York license 304173.
Which hospitals is Dr. Thomas William O'Connell affiliated with?
Dr. O'Connell practices at Saint Francis Hospital in Hartford, Connecticut.
What medical group is Dr. Thomas William O'Connell part of?
Dr. O'Connell is linked to Vituity. Dmand AI links Dr. O'Connell to 3 more medical groups.
Does Dr. Thomas William O'Connell accept Medicare?
Yes. CMS data shows Dr. O'Connell billed Medicare for 260 services in 2024, and Dr. O'Connell accepts Medicare assignment.
How many Medicare patients does Dr. Thomas William O'Connell see?
CMS counts 239 Medicare patients who saw Dr. O'Connell in 2024, with an average age of 76.
What services does Dr. Thomas William O'Connell bill to Medicare?
In 2024, Dr. O'Connell's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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What drugs does Dr. Thomas William O'Connell prescribe most?
In 2024 Medicare Part D data, Dr. O'Connell's most prescribed drugs by claims were Ondansetron ODT, Methocarbamol and Prednisone.
Has Dr. Thomas William O'Connell received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. O'Connell from 1 company from 2024 to 2024. The largest total came from CSL Behring.
How long has Dr. Thomas William O'Connell been practicing?
Dr. O'Connell graduated from medical school in 2016, 10 years ago.
Does Dr. Thomas William O'Connell do research?
Dmand AI links 1 publication to Dr. O'Connell.
Who does Dr. Thomas William O'Connell publish with?
Dr. O'Connell's most frequent co-authors are Jason R. Raggi, DO (1 shared paper) and Daniel Singer, MD (1 shared paper).
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