Dr. Patrick J. O'Brien, MD
- Medicare services, 2021
- 693
- Publications
- 42
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9500 Euclid Ave, Cleveland, OH 44106
- Practice phone
- Call (952) 303-2452
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Patrick J. O'Brien is a diagnostic radiologist in Cleveland, Ohio
Dr. O'Brien practices in Cleveland, Ohio.
Dr. O'Brien's NPI, 1083639397, was assigned on July 13, 2006. Dr. O'Brien graduated from University of Minnesota Medical School in 1987. Dr. O'Brien holds Minnesota license 32417.
- NPI
- 1083639397NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Practice phone
- (952) 303-2452
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Patrick J. O'Brien's practice address is in Cleveland, Ohio
Dr. O'Brien's practice address in the NPI Registry is 9500 Euclid Ave, Cleveland, OH 44106, in Cuyahoga County. The practice phone is (952) 303-2452.
- NPI Registry address9500 Euclid Ave, Cleveland, OH 44106 · Cuyahoga CountyPhone(952) 303-2452
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Patrick J. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. O'Brien's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick J. O'Brien is one of 1,478 diagnostic radiologists in Ohio
Diagnostic radiology is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. O'Brien is licensed in Minnesota.
Specialties and state licenses
- Diagnostic radiology, MinnesotaPrimary
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. Patrick J. O'Brien billed Medicare for 693 services in 2021
CMS data shows 693 Medicare services from Dr. O'Brien across 18 procedure codes in 2021. Medicare paid $15,149 for them.
Dr. O'Brien's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Imaging
- 2020: 4472021: 65647%
- Tests and treatments
- 2020: 392021: 375%
Where Dr. O'Brien's Medicare services took place, 2021
- In an office26138%
- In a facility43262%
Dr. O'Brien compared with the Ohio median for diagnostic radiologists, 2021
- Dr. O'Brien
- Ohio median
- Medicare services
- 693vs 1,76861% below
Medians across 1,619 diagnostic radiologists in Ohio with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2021
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 Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick J. O'Brien's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 62, with 0% women.
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 62
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
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Dr. Patrick J. O'Brien has 42 publications on record
Dmand AI links 42 papers to Dr. O'Brien, published from 2011 to 2025. 2017 was the busiest year, with 5. The most frequent topics are DNA, DNA Glycosylases and DNA Repair. Dr. O'Brien has published most often in Biochemistry. Dr. O'Brien's most frequent co-authors are Francis K. Buadi, MD, Charlotte Cunningham-Rundles, MD, PhD and Suzanne R. Hayman, MD.
Dr. O'Brien's papers by year, 2015 to 2025
Topics Dr. O'Brien writes about most
- DNA
- DNA Glycosylases
- DNA Repair
- Kinetics
- DNA Damage
- Base Sequence
- Binding Sites
- DNA Ligase ATP
Dr. O'Brien's most frequent co-authors
- Francis K. Buadi, MD2 shared papers
- Charlotte Cunningham-Rundles, MD, PhD2 shared papers
- Suzanne R. Hayman, MD2 shared papers
Recent publications by Dr. O'Brien
J Biol Chem
Clin Lymphoma Myeloma Leuk
Nat Struct Mol Biol
See who Dr. O'Brien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Brien works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Patrick J. O'Brien graduated from University of Minnesota Medical School
Dr. O'Brien graduated from University of Minnesota Medical School in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick J. 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 |
| 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 Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Patrick J. 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. Patrick J. O'Brien's NPI number?
Dr. Patrick J. O'Brien's NPI number is 1083639397. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick J. O'Brien?
Dr. Patrick J. O'Brien is a diagnostic radiologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Patrick J. O'Brien practice?
Dr. O'Brien practices at 9500 Euclid Ave, Cleveland, OH 44106.
What is Dr. Patrick J. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (952) 303-2452.
What is Dr. Patrick J. O'Brien's medical license number?
Dr. O'Brien holds Minnesota license 32417.
Does Dr. Patrick J. O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 693 services in 2021.
What services does Dr. Patrick J. O'Brien bill to Medicare?
In 2021, Dr. O'Brien's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (71045) and diagnostic imaging (74177).
Where did Dr. Patrick J. O'Brien go to medical school?
Dr. O'Brien graduated from University of Minnesota Medical School in 1987.
How long has Dr. Patrick J. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1987, 39 years ago.
Does Dr. Patrick J. O'Brien do research?
Dmand AI links 42 publications to Dr. O'Brien, published from 2011 to 2025.
Who does Dr. Patrick J. O'Brien publish with?
Dr. O'Brien's most frequent co-authors are Francis K. Buadi, MD (2 shared papers), Charlotte Cunningham-Rundles, MD, PhD (2 shared papers) and Suzanne R. Hayman, MD (2 shared papers).
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