Circ Cardiovasc Qual Outcomes
Cardiac CatheterizationEmergency Medical ServicesOutcome and Process Assessment, Health Care
Dr. Peter K. O'Brien, MD
NPI1518941905PAC ID5799887824
- Medicare services, 2024
- 2,255
- Medicare patients, 2024
- 1,698
- Part D claims, 2024
- 1,881
- Publications
- 5
- MIPS score, 2024
- 93
- Practice address
- 3300 Rivermont Avenue, Krise Building, 5th Floor, Lynchburg, VA 24503
- Practice phone
- Call (434) 200-1960
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien's professional email, personal email and mobile number
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Dr. Peter K. O'Brien is an interventional cardiologist in Lynchburg, Virginia
Dr. O'Brien practices at Centra Specialty Hospital in Lynchburg, Virginia, part of Centra Health.
Dr. O'Brien's NPI, 1518941905, was assigned on November 30, 2005. Dr. O'Brien graduated from University of Virginia School of Medicine in 1994. Dr. O'Brien holds Virginia license 0101053651.
NPI and contact details
- NPI
- 1518941905NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799887824
- NPI enumeration date
- November 30, 2005
- NPI status
- Active
- Practice phone
- (434) 200-1960
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Peter K. O'Brien practices at Centra Specialty Hospital in Lynchburg, Virginia
Dr. O'Brien's primary practice is Centra Specialty Hospital, at 3300 Rivermont Avenue, Krise Building, 5th Floor, Lynchburg, VA 24503 in Lynchburg City. The practice phone is (434) 200-1960.
- Centra Specialty Hospital3300 Rivermont Avenue, Krise Building, 5th Floor, Lynchburg, VA 24503 · Lynchburg CityPhone(434) 200-1960
Source: Dmand AI Affiliation Data
Dr. Peter K. O'Brien is affiliated with 6 sites of care and 2 medical groups
Dr. O'Brien's primary practice is Centra Specialty Hospital in Lynchburg, Virginia, part of Centra Health. Dr. O'Brien is also affiliated with Centra Lynchburg General Hospital. The medical group on file is Centra Medical Group. Dmand AI also links Dr. O'Brien to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Centra Lynchburg General HospitalCentra Medical Group2 hospitalsNames with a free account2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 8 affiliations for Dr. O'BrienSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter K. 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 |
|---|---|
| Centra Specialty Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Peter K. O'Brien is one of 178 interventional cardiologists in Virginia
Interventional cardiology is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. O'Brien is licensed in Virginia.
Specialties and state licenses
- Interventional cardiology, VirginiaPrimary
Interventional cardiologists near Dr. O'Brien
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
178interventional cardiologists in Virginia
8interventional cardiologists in Lynchburg
7interventional cardiologists at Centra Specialty HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Peter K. O'Brien billed Medicare for 2,255 services in 2024
CMS data shows 2,255 Medicare services from Dr. O'Brien across 18 procedure codes in 2024, for 1,698 Medicare patients. Medicare paid $83,690 for them.
Medicare services, 20242,255
Medicare patients1,698
Paid by Medicare$83,690
Procedure codes18
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,9532024: 2,09429%
- Office and hospital visits
- 2023: 2382024: 16132%
- Surgery
- 2023: 322024: 0100%
Where Dr. O'Brien's Medicare services took place, 2024
- In an office94342%
- In a facility1,31258%
Dr. O'Brien compared with the Virginia median for interventional cardiologists, 2024
- Dr. O'Brien
- Virginia median
- Medicare services
- 2,255vs 1,90618% above
- Medicare patients
- 1,698vs 8482.0 times
- Part D claims
- 1,786vs 1,29738% above
Medians across 174 interventional cardiologists in Virginia 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.
Need commercial claims for Dr. O'Brien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Brien and other interventional cardiologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter K. O'Brien treated 1,698 Medicare patients in 2024, average age 77
CMS counts 1,698 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 75 to 84, with 699 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.67, 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 74, with 51% women.
Medicare patients, 20241,698
Average age77
Average risk score1.67
Also on Medicaid9%
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women86351%
- Men83549%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease49%
- Diabetes41%
- Chronic kidney disease40%
- Atrial fibrillation38%
- Heart failure34%
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 74
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter K. O'Brien wrote 1,881 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 1,881 Medicare Part D claims for 346 patients. 88% of them were for generic drugs. CMS names the drug for 1,786 of them, across 35 drugs with 11 or more claims each, at $183,097 in total drug cost. In 2023, CMS named 1,979 claims across 35 drugs.
Part D claims, 20241,881
Drugs named by CMS35
Total drug cost$183,097
Part D patients346
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic1,660 claims88%
- Brand-name221 claims12%
Dr. O'Brien'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,9792024: 1,78610%
Drugs named by CMS: 35 in 2024, 35 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
Dr. Peter K. O'Brien scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. O'Brien for performance year 2024, reported through an alternative payment model (APM). CMS counts 59 procedures of coronary angioplasty and stenting by Dr. O'Brien, more than 88% of the clinicians it reports for that procedure.
Dr. O'Brien's MIPS scores, performance year 2024
- 93of 100Final score
- 83.6of 100Quality
- 94of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. O'Brien ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 88th percentile59 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter K. O'Brien has 5 publications on record
Dmand AI links 5 papers to Dr. O'Brien, published from 2013 to 2020. 2013 was the busiest year, with 2. Dr. O'Brien's most frequent co-authors are John E. Brush, MD, Richard A. Chazal, MD and Joann Grace Elmore.
Papers5
Years published2013 to 2020
Dr. O'Brien's papers by year, 2013 to 2020
Dr. O'Brien's most frequent co-authors
- John E. Brush, MD2 shared papers
- Richard A. Chazal, MD2 shared papers
- Joann Grace Elmore2 shared papers
Recent publications by Dr. O'Brien
CharitiesDeveloping CountriesEquipment and Supplies
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 interventional cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter K. O'Brien received $1,272 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. O'Brien from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $293.
General payments to Dr. O'Brien by program year, 2016 to 2025
Companies that paid Dr. O'Brien the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter K. O'Brien graduated from University of Virginia School of Medicine
Dr. O'Brien graduated from University of Virginia School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter K. 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 | 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| 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. Peter K. 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. Peter K. O'Brien's NPI number?
Dr. Peter K. O'Brien's NPI number is 1518941905. It was assigned on November 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter K. O'Brien?
Dr. Peter K. O'Brien is an interventional cardiologist in Lynchburg, Virginia. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Peter K. O'Brien practice?
Dr. O'Brien practices at 3300 Rivermont Avenue, Krise Building, 5th Floor, Lynchburg, VA 24503. Dr. O'Brien's primary practice is Centra Specialty Hospital in Lynchburg, Virginia, part of Centra Health. Dmand AI also links Dr. O'Brien to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Peter K. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (434) 200-1960.
What is Dr. Peter K. O'Brien's medical license number?
Dr. O'Brien holds Virginia license 0101053651.
Which hospitals is Dr. Peter K. O'Brien affiliated with?
Dr. O'Brien practices at Centra Specialty Hospital in Lynchburg, Virginia. Dr. O'Brien is also affiliated with Centra Lynchburg General Hospital. Dmand AI links Dr. O'Brien to 2 more hospitals.
What medical group is Dr. Peter K. O'Brien part of?
Dr. O'Brien is linked to Centra Medical Group. Dmand AI links Dr. O'Brien to 1 more medical group.
Does Dr. Peter K. O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 2,255 services in 2024.
What is Dr. Peter K. O'Brien's MIPS score?
Dr. O'Brien's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Peter K. O'Brien see?
CMS counts 1,698 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
What services does Dr. Peter K. O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were heart test or procedure (93010), special service (99152) and heart test or procedure (93000).
Where did Dr. Peter K. O'Brien go to medical school?
Dr. O'Brien graduated from University of Virginia School of Medicine in 1994.
What drugs does Dr. Peter K. O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Atorvastatin Calcium, Ezetimibe and Rosuvastatin Calcium.
Has Dr. Peter K. O'Brien received payments from drug or device companies?
CMS Open Payments shows $1,272 in general payments to Dr. O'Brien from 13 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Peter K. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1994, 32 years ago.
Does Dr. Peter K. O'Brien do research?
Dmand AI links 5 publications to Dr. O'Brien, published from 2013 to 2020.
Who does Dr. Peter K. O'Brien publish with?
Dr. O'Brien's most frequent co-authors are John E. Brush, MD (2 shared papers), Richard A. Chazal, MD (2 shared papers) and Joann Grace Elmore (2 shared papers).
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