James Kennedy O'Neill, M.D.
Interventional Cardiology Physician · Houston, TX
James Kennedy O'Neill, M.D. is an interventional cardiology physician with a practice address in Houston, Texas, and NPI 1770878670, issued on Jun 20, 2011. Check the license (Texas Q3933, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Kennedy O'Neill
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- Q3933 TX
2011016934 MO
Self-reported in NPPES; status is on the state search - Practice location
- 925 Gessner RD Ste 630, Houston, TX 77024
- Phone
- (713) 465-3535
- Enumerated
- Jun 20, 2011
- Record last updated
- Aug 12, 2025
- Fax
- (713) 465-9735
- Medicare enrollment
- Enrolled (PECOS I20180601000069); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 724 in Texas → Look up another NPI →
Also registered at 925 Gessner RD Ste 630
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Razvan Dadu, M.D.Interventional Cardiology Physician1427201375
- Ayesha HamidHospitalist Physician1902337306
Verify James Kennedy O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average interventional cardiology physician in 2024
5,598 Medicare Part D claims for 793 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Amlodipine Besylate521 claims
- Atorvastatin Calcium501 claims
- Metoprolol Succinate469 claims
- Olmesartan Medoxomil416 claims
- Eliquis404 claims
- Rosuvastatin Calcium312 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.
Industry payments in 2024: $2,693.84
79 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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
- Memorial Hermann Medical GroupHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Kennedy O'Neill among 724 interventional cardiology physician records in Texas
James Kennedy O'Neill, M.D. is one of 724 interventional cardiology physician records with a practice address in Texas. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.
- NPI issued2011 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated2011 · median 2003 among the 653 with a school on file
- Record last updated2025 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Texas
There are 724 interventional cardiology physician records in Texas.
All 724 in Texas → Every provider in Houston → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Jonathan Aliota, MDHouston, TX 770241598712812
- Jeffrey Berman, M.D.Houston, TX 770241851747174
- Luis Campos, M.D. FACCHouston, TX 770241952424962
- Razvan Dadu, M.D.Houston, TX 770241427201375
- Salah El Hafi, M.D.Houston, TX 770241396969622
- Milad El Hajj, MDHouston, TX 770241457881559
- Jon Heine, M.D.Houston, TX 770241992707012
- Kim-Trang Ho, MDHouston, TX 770241194222356
Common questions
What is James Kennedy O'Neill, M.D.'s NPI number?
James Kennedy O'Neill, M.D.'s National Provider Identifier (NPI) is 1770878670, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is James Kennedy O'Neill, M.D. located?
The NPPES record lists a practice address at 925 Gessner RD Ste 630, Houston, TX, 77024. Phone: (713) 465-3535. Providers update this record themselves, so call before visiting.
How can I verify James Kennedy O'Neill, M.D.'s license?
NPPES lists Texas license number Q3933, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Kennedy O'Neill, M.D. prescribe under Medicare Part D?
In 2024, James Kennedy O'Neill, M.D. had 5,598 Medicare Part D claims for 793 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
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.