Padraig G. Oneill, MD
Clinical Cardiac Electrophysiology Physician · Sacramento, CA
Padraig G. Oneill, MD is a clinical cardiac electrophysiology physician with a practice address in Sacramento, California, and NPI 1629140702, issued on Nov 14, 2006. Check the license (California A47764, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Padraig G. Oneill
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- A47764 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3941 J Street, Sacramento, CA 95819
- Phone
- (916) 736-2323
- Enumerated
- Nov 14, 2006
- Record last updated
- May 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (916) 736-0620
- Medicaid IDs
- GR0068232 CA
GR006823B CA
GR0068231 CA
00A477640 CA - Medicare enrollment
- Enrolled (PECOS I20040330001306); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3941 J Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Foerster, MDCardiovascular Disease Physician1205908373
- Christopher Hart, PA-CPhysician Assistant1225302219
- Ralph Koldinger, M.D.Gastroenterology Physician1952421703
- Joseph Kozina, MDInterventional Cardiology Physician1710059894
- Walt Marquardt, MDInterventional Cardiology Physician1881766962
- Christopher Neubuerger, MDOrthopaedic Surgery Physician1023103793
Verify Padraig G. Oneill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A47764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
723 Medicare Part D claims for 189 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Eliquis114 claims
- Amiodarone Hcl91 claims
- Flecainide Acetate89 claims
- Xarelto72 claims
- Carvedilol40 claims
- Metoprolol Succinate35 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): 96.5 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: $6,043.31
72 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 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
- Dignity Health Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in California
There are 304 clinical cardiac electrophysiology physician records in California.
Other clinical cardiac electrophysiology physician records in California
- Edward Abdullah, M.D.Los Angeles, CA1740274547
- Firas Ajam, MDWatsonville, CA1134652282
- Olujimi Ajijola, MD PHDLos Angeles, CA1467589812
- Pierre Aoukar, MDSan Diego, CA1134139561
- Arash Aryana, M.D.Sacramento, CA1548279672
- Ramin Ashtiani, M.D.Victorville, CA1427004977
- Charles Athill, M.D.San Diego, CA1174504252
- Nitish Badhwar, MDStanford, CA1619928892
- Clarence Balke, MDSan Francisco, CA1871661660
- Rajesh Banker, M.D.Newport Beach, CA1043425036
Common questions
What is Padraig G. Oneill, MD's NPI number?
Padraig G. Oneill, MD's National Provider Identifier (NPI) is 1629140702, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Padraig G. Oneill, MD located?
The NPPES record lists a practice address at 3941 J Street, Sacramento, CA, 95819. Phone: (916) 736-2323. Providers update this record themselves, so call before visiting.
How can I verify Padraig G. Oneill, MD's license?
NPPES lists California license number A47764, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Padraig G. Oneill, MD prescribe under Medicare Part D?
In 2024, Padraig G. Oneill, MD had 723 Medicare Part D claims for 189 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Padraig G. Oneill, MD's MIPS final score?
The 2023 MIPS final score is 96.5 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.