James S. O'Brien
- Medicare services, 2024
- 1,908
- Medicare patients, 2024
- 1,389
- Hospital affiliations
- 5
- Industry payments
- $83
- Medical groups
- 3
- Practice address
- 111 S Front St, Harrisburg, PA 17101
- Practice phone
- Call (717) 230-3790
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UPMC Harrisburg
Harrisburg, Pennsylvania
Find James 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.
James S. O'Brien is a diagnostic radiologist in Harrisburg, Pennsylvania
James O'Brien practices at UPMC Harrisburg in Harrisburg, Pennsylvania.
James O'Brien's NPI, 1801846951, was assigned on May 11, 2006. James O'Brien graduated from University of Connecticut School of Medicine in 1982. James O'Brien holds Pennsylvania license MD030977E.
- NPI
- 1801846951NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618865643
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 230-3790
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James S. O'Brien practices at UPMC Harrisburg in Harrisburg, Pennsylvania
James O'Brien's primary practice is UPMC Harrisburg, at 111 S Front St, Harrisburg, PA 17101 in Dauphin County. The practice phone is (717) 230-3790.
- UPMC Harrisburg111 S Front St, Harrisburg, PA 17101 · Dauphin CountyPhone(717) 230-3790
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James S. O'Brien is affiliated with 9 sites of care and 3 medical groups
James O'Brien's primary practice is UPMC Harrisburg in Harrisburg, Pennsylvania. James O'Brien is also affiliated with UPMC Harrisburg. The medical group on file is University of Pittsburgh Physicians, Department of Radiology. Dmand AI also links James O'Brien to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James S. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James O'Brien practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Harrisburg | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James S. O'Brien is one of 1,655 diagnostic radiologists in Pennsylvania
Diagnostic radiology is James O'Brien's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. James O'Brien is licensed in Pennsylvania.
Specialties and state licenses
- Diagnostic radiology, PennsylvaniaPrimary
Diagnostic radiologists near James 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
James S. O'Brien billed Medicare for 1,908 services in 2024
CMS data shows 1,908 Medicare services from James O'Brien across 26 procedure codes in 2024, for 1,389 Medicare patients. Medicare paid $47,384 for them.
James O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,4782024: 1,85447%
- Other services
- 2023: 1032024: 5448%
- Tests and treatments
- 2023: 1702024: 0100%
- Surgery
- 2023: 342024: 0100%
Where James O'Brien's Medicare services took place, 2024
- In an office1327%
- In a facility1,77693%
James O'Brien compared with the Pennsylvania median for diagnostic radiologists, 2024
- James O'Brien
- Pennsylvania median
- Medicare services
- 1,908vs 1,955Close to median
- Medicare patients
- 1,389vs 1,406Close to median
Medians across 1,606 diagnostic radiologists in Pennsylvania with Dmand AI profiles that report each measure.
James 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 James O'Brien and other diagnostic radiologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James S. O'Brien treated 1,389 Medicare patients in 2024, average age 74
CMS counts 1,389 Medicare patients who saw James O'Brien in 2024. The largest group is 65 to 74, with 685 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James O'Brien's median patient age at 64, with 74% women.
James O'Brien's Medicare patients by age, 2024
James O'Brien's Medicare patients by sex, 2024
- Women1,07677%
- Men31323%
Chronic conditions among James O'Brien's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis50%
- Diabetes30%
- Anxiety28%
- Chronic kidney disease24%
- Ischemic heart disease24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
James 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 64
Patient panel by sex, all payers
- Women74%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How James S. O'Brien takes part in Medicare
James 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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James S. O'Brien received $83 in industry payments from 2017 to 2021
CMS Open Payments shows 4 general payments to James O'Brien from 3 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. GE Healthcare paid the most, $47.
General payments to James O'Brien by program year, 2017 to 2021
Companies that paid James O'Brien the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James S. O'Brien graduated from University of Connecticut School of Medicine
James O'Brien graduated from University of Connecticut School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James S. 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 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) |
| 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 James S. O'Brien
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What is James S. O'Brien's NPI number?
James S. O'Brien's NPI number is 1801846951. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What does James S. O'Brien specialize in?
James S. O'Brien is a diagnostic radiologist in Harrisburg, Pennsylvania. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does James S. O'Brien practice?
James O'Brien practices at 111 S Front St, Harrisburg, PA 17101. James O'Brien's primary practice is UPMC Harrisburg in Harrisburg, Pennsylvania. Dmand AI also links James O'Brien to 4 hospitals, 3 group practices and clinics and 2 medical groups.
What is James S. O'Brien's office phone number?
The practice phone on file for James O'Brien is (717) 230-3790.
What is James S. O'Brien's medical license number?
James O'Brien holds Pennsylvania license MD030977E.
Which hospitals is James S. O'Brien affiliated with?
James O'Brien is affiliated with UPMC Harrisburg. Dmand AI links James O'Brien to 4 more hospitals.
What medical group is James S. O'Brien part of?
James O'Brien is linked to University of Pittsburgh Physicians, Department of Radiology. Dmand AI links James O'Brien to 2 more medical groups.
Does James S. O'Brien accept Medicare?
Yes. CMS data shows James O'Brien billed Medicare for 1,908 services in 2024, and James O'Brien accepts Medicare assignment.
How many Medicare patients does James S. O'Brien see?
CMS counts 1,389 Medicare patients who saw James O'Brien in 2024, with an average age of 74.
What services does James S. O'Brien bill to Medicare?
In 2024, James O'Brien's most billed Medicare services were radiation oncology (77063), radiation oncology (77067) and radiation oncology (77080).
Show 3 more questionsShow fewer questions
Where did James S. O'Brien go to medical school?
James O'Brien graduated from University of Connecticut School of Medicine in 1982.
Has James S. O'Brien received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to James O'Brien from 3 companies from 2017 to 2021. The largest total came from GE Healthcare.
How long has James S. O'Brien been practicing?
James O'Brien graduated from medical school in 1982, 44 years ago.
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