Leon Frederick O'Neill, DO
Cardiovascular Disease Physician · Eatontown, NJ
Leon Frederick O'Neill, DO is a cardiovascular disease physician with a practice address in Eatontown, New Jersey, and NPI 1275723736, issued on Jul 30, 2007. Check the license (New Jersey 25MB08394100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leon Frederick O'Neill
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 25MB08394100 NJ
0102208428 VA
Self-reported in NPPES; status is on the state search - Practice location
- 11 Meridian RD, Eatontown, NJ 07724
- Phone
- (732) 776-5138
- Enumerated
- Jul 30, 2007
- Record last updated
- Apr 9, 2024
- Fax
- (732) 776-6601
- Medicaid ID
- 0267929 NJ
- Medicare enrollment
- Enrolled (PECOS I20110727000135); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2005
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,102 in New Jersey → Look up another NPI →
Also registered at 11 Meridian RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matt Bach, MDInterventional Cardiology Physician1639143951
- Thomas Breen, MDCardiovascular Disease Physician1972090868
- Deniz CayirMedical Physician Assistant1225609894
- John Checton, M.D.Nuclear Imaging & Therapy Physician1962476416
- Nicole Cichetti, ANPFamily Nurse Practitioner1790355931
- Leah Cohen, PA-CMedical Physician Assistant1316566011
Verify Leon Frederick O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB08394100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
6,164 Medicare Part D claims for 718 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Rosuvastatin Calcium756 claims
- Atorvastatin Calcium588 claims
- Eliquis561 claims
- Metoprolol Succinate501 claims
- Amlodipine Besylate348 claims
- Losartan Potassium240 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $178.35
8 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. 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 4 group practices
- Centra Medical Group LLCBedford, VA
- Meridian Cardiovascular Interpretive Services PCNeptune, NJ
- Monmouth Cardiology Associates, LLCEatontown, NJ
- Sentara Medical GroupNorfolk, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leon Frederick O'Neill among 1,102 cardiovascular disease physician records in New Jersey
Leon Frederick O'Neill, DO is one of 1,102 cardiovascular disease physician records with a practice address in New Jersey. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 32% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2005 · median 1997 among the 833 with a school on file
- Record last updated2024 · 64% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 cardiovascular disease physician records list a practice address in Eatontown
They are 21 of the 731 NPPES records with a practice address in Eatontown, and 1,102 cardiovascular disease physician records in New Jersey.
All 1,102 in New Jersey → Every provider in Eatontown → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Jeffrey Daniels, MDEatontown, NJ 077241659344307
- Lynne Einbinder, M.D.Eatontown, NJ 077241780687129
- Scott Eisenberg, DOEatontown, NJ 077241891778353
- Mahim Kapoor, MDEatontown, NJ 077241841452513
- Julie Master, D.O.Eatontown, NJ 077241912044900
- Charles Mattina, M.D.Eatontown, NJ 077241104890706
- Gregory NotoEatontown, NJ 077241801863287
- Thomas Rizzo, M.D.Eatontown, NJ 077241194799445
Common questions
What is Leon Frederick O'Neill, DO's NPI number?
Leon Frederick O'Neill, DO's National Provider Identifier (NPI) is 1275723736, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leon Frederick O'Neill, DO located?
The NPPES record lists a practice address at 11 Meridian RD, Eatontown, NJ, 07724. Phone: (732) 776-5138. Providers update this record themselves, so call before visiting.
How can I verify Leon Frederick O'Neill, DO's license?
NPPES lists New Jersey license number 25MB08394100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leon Frederick O'Neill, DO prescribe under Medicare Part D?
In 2024, Leon Frederick O'Neill, DO had 6,164 Medicare Part D claims for 718 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Leon Frederick O'Neill, DO's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.