Paul John O'Brien, MD
Cardiovascular Disease Physician · Annandale, VA
Paul John O'Brien, MD is a cardiovascular disease physician with a practice address in Annandale, Virginia, and NPI 1992865588, issued on Dec 12, 2006. Check the license (Virginia 0101055808, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Paul John O'Brien
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 0101055808 VA
Self-reported in NPPES; status is on the state search - Practice location
- 6715 Little River Tpke Ste 300, Annandale, VA 22003
- Phone
- (703) 751-6668
- Enumerated
- Dec 12, 2006
- Record last updated
- Feb 7, 2022
- Fax
- (703) 642-1049
- Medicaid ID
- 010062802 VA
- Medicare enrollment
- Enrolled (PECOS I20040330001451); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 637 in Virginia → Look up another NPI →
Also registered at 6715 Little River Tpke Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurance Kam, MDCardiovascular Disease Physician1801956495
Verify Paul John O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101055808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,732 Medicare Part D claims for 444 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium599 claims
- Metoprolol Succinate402 claims
- Rosuvastatin Calcium306 claims
- Amlodipine Besylate280 claims
- Ezetimibe265 claims
- Eliquis209 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $958.53
43 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cardiology Specialists OF VirginiaAnnandale, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul John O'Brien among 637 cardiovascular disease physician records in Virginia
Paul John O'Brien, MD is one of 637 cardiovascular disease physician records with a practice address in Virginia. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1986 · median 2000 among the 452 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 cardiovascular disease physician records list a practice address in Annandale
They are 9 of the 828 NPPES records with a practice address in Annandale, and 637 cardiovascular disease physician records in Virginia.
All 637 in Virginia → Every provider in Annandale → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Muhammad Ali, M.D.,Annandale, VA 220031699707653
- Felix Castro, M.D., FACCAnnandale, VA 220031518979160
- Thien Do, M.D.Annandale, VA 220031740238195
- Merdod Ghafouri, DOAnnandale, VA 220031811925928
- Laurance Kam, MDAnnandale, VA 220031801956495
- Robert Matthews, MDAnnandale, VA 220031710040845
- Joel Nadler, M.D.Annandale, VA 220031821155383
- Manisha Reddy, M.D.Annandale, VA 220031114248804
Common questions
What is Paul John O'Brien, MD's NPI number?
Paul John O'Brien, MD's National Provider Identifier (NPI) is 1992865588, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul John O'Brien, MD located?
The NPPES record lists a practice address at 6715 Little River Tpke Ste 300, Annandale, VA, 22003. Phone: (703) 751-6668. Providers update this record themselves, so call before visiting.
How can I verify Paul John O'Brien, MD's license?
NPPES lists Virginia license number 0101055808, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Paul John O'Brien, MD prescribe under Medicare Part D?
In 2024, Paul John O'Brien, MD had 4,732 Medicare Part D claims for 444 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Paul John O'Brien, MD's MIPS final score?
The 2023 MIPS final score is 91.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.