Dr. Kevin P. O'Brien, MD
- Medicare services, 2024
- 4,547
- Medicare patients, 2024
- 3,679
- Hospital affiliations
- 5
- Industry payments
- $2,105
- Medical group
- 1
- Practice address
- 620 W Edison Rd, Mishawaka, IN 46545
- Practice phone
- Call (574) 258-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Radiology, Inc
Mishawaka, Indiana
Find Dr. O'Brien'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. Kevin P. O'Brien is a diagnostic radiologist in Mishawaka, Indiana
Dr. O'Brien practices at Radiology, Inc in Mishawaka, Indiana.
Dr. O'Brien's NPI, 1346686474, was assigned on May 15, 2013. Dr. O'Brien graduated from University of Cincinnati College of Medicine in 2013. Dr. O'Brien holds Illinois license 036139521.
- NPI
- 1346686474NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537461397
- NPI enumeration date
- May 15, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 258-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kevin P. O'Brien practices at Radiology, Inc in Mishawaka, Indiana
Dr. O'Brien's primary practice is Radiology, Inc, at 620 W Edison Rd, Mishawaka, IN 46545 in St Joseph County. The practice phone is (574) 258-1100.
- Radiology, Inc620 W Edison Rd, Mishawaka, IN 46545 · St Joseph CountyPhone(574) 258-1100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kevin P. O'Brien is affiliated with 7 sites of care and 1 medical group
Dr. O'Brien's primary practice is Radiology, Inc in Mishawaka, Indiana. Dr. O'Brien is also affiliated with Memorial Hospital of South Bend. The medical group on file is Radiology, Inc. Dmand AI also links Dr. O'Brien to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kevin P. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Radiology, Inc | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kevin P. O'Brien is one of 663 diagnostic radiologists in Indiana
Diagnostic radiology is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. O'Brien is licensed in Illinois.
Specialties and state licenses
- Diagnostic radiology, IllinoisPrimary
Diagnostic radiologists near Dr. O'Brien
Counts of diagnostic radiologists 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. Kevin P. O'Brien billed Medicare for 4,547 services in 2024
CMS data shows 4,547 Medicare services from Dr. O'Brien across 62 procedure codes in 2024, for 3,679 Medicare patients. Medicare paid $89,082 for them.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4,7442024: 4,4037%
- Tests and treatments
- 2023: 1412024: 1442%
Where Dr. O'Brien's Medicare services took place, 2024
- In an office1,10624%
- In a facility3,44176%
Dr. O'Brien compared with the Indiana median for diagnostic radiologists, 2024
- Dr. O'Brien
- Indiana median
- Medicare services
- 4,547vs 2,39290% above
- Medicare patients
- 3,679vs 1,7112.2 times
Medians across 639 diagnostic radiologists in Indiana with Dmand AI profiles that report each measure.
Dr. O'Brien'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'Brien and other diagnostic radiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kevin P. O'Brien treated 3,679 Medicare patients in 2024, average age 75
CMS counts 3,679 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 65 to 74, with 1,478 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.53, 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'Brien's median patient age at 69, with 56% women.
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women2,12458%
- Men1,55542%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease39%
- Diabetes33%
- Chronic kidney disease32%
- Mood disorders32%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Kevin P. O'Brien takes part in Medicare
Dr. O'Brien 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. Kevin P. O'Brien received $2,105 in industry payments from 2023 to 2025
CMS Open Payments shows 3 general payments to Dr. O'Brien from 2 drug and device companies from 2023 to 2025. Speaker and faculty fees make up the largest share, 88% of the total. Progenics Pharmaceuticals, Inc. paid the most, $1,856.
General payments to Dr. O'Brien by program year, 2023 to 2025
General payments to Dr. O'Brien by kind, 2023 to 2025
- Speaker and faculty fees$1,85688%
- Food and beverage$24912%
Companies that paid Dr. O'Brien the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kevin P. O'Brien graduated from University of Cincinnati College of Medicine
Dr. O'Brien graduated from University of Cincinnati College of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kevin P. O'Brien'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Kevin P. O'Brien
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. Kevin P. O'Brien's NPI number?
Dr. Kevin P. O'Brien's NPI number is 1346686474. It was assigned on May 15, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Kevin P. O'Brien?
Dr. Kevin P. O'Brien is a diagnostic radiologist in Mishawaka, Indiana. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Kevin P. O'Brien practice?
Dr. O'Brien practices at 620 W Edison Rd, Mishawaka, IN 46545. Dr. O'Brien's primary practice is Radiology, Inc in Mishawaka, Indiana. Dmand AI also links Dr. O'Brien to 4 hospitals and 1 group practice or clinic.
What is Dr. Kevin P. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (574) 258-1100.
What is Dr. Kevin P. O'Brien's medical license number?
Dr. O'Brien holds Illinois license 036139521.
Which hospitals is Dr. Kevin P. O'Brien affiliated with?
Dr. O'Brien is affiliated with Memorial Hospital of South Bend. Dmand AI links Dr. O'Brien to 4 more hospitals.
What medical group is Dr. Kevin P. O'Brien part of?
Dr. O'Brien is linked to Radiology, Inc.
Does Dr. Kevin P. O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 4,547 services in 2024, and Dr. O'Brien accepts Medicare assignment.
How many Medicare patients does Dr. Kevin P. O'Brien see?
CMS counts 3,679 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 75.
What services does Dr. Kevin P. O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and diagnostic imaging (74177).
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Where did Dr. Kevin P. O'Brien go to medical school?
Dr. O'Brien graduated from University of Cincinnati College of Medicine in 2013.
Has Dr. Kevin P. O'Brien received payments from drug or device companies?
CMS Open Payments shows $2,105 in general payments to Dr. O'Brien from 2 companies from 2023 to 2025. The largest total came from Progenics Pharmaceuticals, Inc.
How long has Dr. Kevin P. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2013, 13 years ago.
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