Dr. Matthew E. O'Connor, MD
- Medicare services, 2024
- 174
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 139
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 421 E State Highway 114, Southlake, TX 76092
- Practice phone
- Call (878) 654-4400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Connor'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. Matthew E. O'Connor is an emergency medicine physician in Merrillville, Indiana
Dr. O'Connor practices at Methodist Southlake Medical Center in Southlake, Texas, part of Methodist Hospitals of Dallas.
Dr. O'Connor's NPI, 1306236013, was assigned on February 2, 2015. Dr. O'Connor graduated from University of Wisconsin School of Medicine in 2018. Dr. O'Connor holds Wisconsin license 66800-20.
- NPI
- 1306236013NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931419140
- NPI enumeration date
- February 2, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (878) 654-4400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew E. O'Connor practices in Southlake and Merrillville
Dr. O'Connor's primary practice is Methodist Southlake Medical Center, at 421 E State Highway 114, Southlake, TX 76092 in Tarrant County. The practice phone is (878) 654-4400. Dr. O'Connor also practices at Methodist Southlake Hospital, 8701 Broadway, Merrillville, IN 46410.
- Methodist Southlake Medical CenterPrimary421 E State Highway 114, Southlake, TX 76092 · Tarrant CountyPhone(878) 654-4400
- Methodist Southlake Hospital8701 Broadway, Merrillville, IN 46410 · Lake CountyPhone(219) 886-4404
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Matthew E. O'Connor is affiliated with 3 sites of care and 1 medical group
Dr. O'Connor's primary practice is Methodist Southlake Medical Center in Southlake, Texas, part of Methodist Hospitals of Dallas. Dr. O'Connor is also affiliated with Methodist Hospitals - Northlake. The medical group on file is Vituity. Dmand AI also links Dr. O'Connor to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew E. O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Southlake Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew E. O'Connor is one of 1,275 emergency medicine physicians in Indiana
Emergency medicine is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. O'Connor's licenses on file in 2 states: Wisconsin and Indiana.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
- Indiana license
Emergency medicine physicians near Dr. O'Connor
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. Matthew E. O'Connor billed Medicare for 174 services in 2024
CMS data shows 174 Medicare services from Dr. O'Connor across 3 procedure codes in 2024, for 126 Medicare patients. Medicare paid $15,320 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Connor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1752024: 14219%
- Tests and treatments
- 2023: 262024: 3223%
Dr. O'Connor compared with the Indiana median for emergency medicine physicians, 2024
- Dr. O'Connor
- Indiana median
- Medicare services
- 174vs 30443% below
- Medicare patients
- 126vs 27755% below
- Part D claims
- 29vs 9268% below
Medians across 1,276 emergency medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. O'Connor'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'Connor and other emergency medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew E. O'Connor treated 126 Medicare patients in 2024, average age 62
CMS counts 126 Medicare patients who saw Dr. O'Connor in 2024. The largest group is under 65, with 57 patients. 75% of them have high blood pressure, and 49% have high cholesterol. 67% are also on Medicaid. Their average risk score is 2.63, 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'Connor's median patient age at 55, with 55% women.
Dr. O'Connor's Medicare patients by age, 2024
Dr. O'Connor's Medicare patients by sex, 2024
- Women7156%
- Men5544%
Chronic conditions among Dr. O'Connor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol49%
- Arthritis44%
- Diabetes43%
- COPD42%
- Heart failure41%
- Mood disorders37%
- Tobacco use36%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Connor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew E. O'Connor wrote 139 Medicare Part D claims in 2024
In 2024, Dr. O'Connor wrote 139 Medicare Part D claims for 93 patients. 96% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $299 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Dr. O'Connor's Part D claims by kind of drug, 2024
- Generic133 claims96%
- Brand-name and other6 claims4%
Dr. O'Connor'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'Connor's Part D claims, 2024
- Antibiotics18%25 of 139 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 122024: 29142%
Drugs named by CMS: 2 in 2024, 1 in 2022.
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. Matthew E. O'Connor scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. O'Connor for performance year 2024, reported as part of a group. Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. O'Connor's MIPS scores, performance year 2024
- 87of 100Final score
- 70.9of 100Quality
- 40of 100Improvement Activities
- 93of 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. Matthew E. O'Connor received $29 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. O'Connor from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $29.
Companies that paid Dr. O'Connor the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew E. O'Connor graduated from University of Wisconsin School of Medicine
Dr. O'Connor graduated from University of Wisconsin School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew E. O'Connor'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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. Matthew E. O'Connor
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. Matthew E. O'Connor's NPI number?
Dr. Matthew E. O'Connor's NPI number is 1306236013. It was assigned on February 2, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew E. O'Connor?
Dr. Matthew E. O'Connor is an emergency medicine physician in Merrillville, Indiana. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Matthew E. O'Connor practice?
Dr. O'Connor practices at 421 E State Highway 114, Southlake, TX 76092. Dr. O'Connor also practices at 8701 Broadway, Merrillville, IN 46410. Dr. O'Connor's primary practice is Methodist Southlake Medical Center in Southlake, Texas, part of Methodist Hospitals of Dallas. Dmand AI also links Dr. O'Connor to 1 group practice or clinic.
What is Dr. Matthew E. O'Connor's office phone number?
The practice phone on file for Dr. O'Connor is (878) 654-4400.
What is Dr. Matthew E. O'Connor's medical license number?
Dr. O'Connor holds Wisconsin license 66800-20, one of the licenses on file in 2 states.
Which states has Dr. Matthew E. O'Connor been licensed in?
Dmand AI has state licenses on file for Dr. O'Connor in Wisconsin and Indiana.
Which hospitals is Dr. Matthew E. O'Connor affiliated with?
Dr. O'Connor practices at Methodist Southlake Medical Center in Southlake, Texas. Dr. O'Connor is also affiliated with Methodist Hospitals - Northlake.
What medical group is Dr. Matthew E. O'Connor part of?
Dr. O'Connor is linked to Vituity.
Does Dr. Matthew E. O'Connor accept Medicare?
Yes. CMS data shows Dr. O'Connor billed Medicare for 174 services in 2024, and Dr. O'Connor accepts Medicare assignment.
What is Dr. Matthew E. O'Connor's MIPS score?
Dr. O'Connor's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Matthew E. O'Connor see?
CMS counts 126 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 62.
What services does Dr. Matthew E. O'Connor bill to Medicare?
In 2024, Dr. O'Connor's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93042).
Where did Dr. Matthew E. O'Connor go to medical school?
Dr. O'Connor graduated from University of Wisconsin School of Medicine in 2018.
What drugs does Dr. Matthew E. O'Connor prescribe most?
In 2024 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Naproxen Sodium and Prednisone.
Has Dr. Matthew E. O'Connor received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Dr. O'Connor from 1 company from 2025 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Matthew E. O'Connor been practicing?
Dr. O'Connor graduated from medical school in 2018, 8 years ago.
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