William W. Oneill, MD
Cardiovascular Disease Physician · Naples, FL
William W. Oneill, MD is a cardiovascular disease physician with a practice address in Naples, Florida, and NPI 1881676435, issued on Nov 18, 2005. Check the license (Florida ME173217, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William W. Oneill
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- ME173217 FL
ME0097328 FL
4301039889 MI
Self-reported in NPPES; status is on the state search - Practice location
- 399 9TH St N Ste 300, Naples, FL 34102
- Phone
- (239) 624-4299
- Enumerated
- Nov 18, 2005
- Record last updated
- Apr 18, 2025
- Fax
- (239) 624-8856
- Medicaid ID
- 2772965-00 FL
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,946 in Florida → Look up another NPI →
Also registered at 399 9TH St N Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rodrigo Aguilar, MDCardiovascular Disease Physician1578055877
- Mazen Albaghdadi, M.D.Interventional Cardiology Physician1851557136
- Lindsey Araya, APRNAcute Care Nurse Practitioner1689539934
- Michelle Asbell, APRNFamily Nurse Practitioner1750740650
- Ieva Bogojevic, PA-CPhysician Assistant1740725662
- Thomas Bolton, PA-CSurgical Physician Assistant1881033942
Verify William W. Oneill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME173217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
376 Medicare Part D claims for 81 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Clopidogrel53 claims
- Atorvastatin Calcium26 claims
- Ezetimibe24 claims
- Metoprolol Succinate19 claims
- Repatha Pushtronex19 claims
- Potassium Chloride17 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: $153,943.51
90 payments; by number, the most common kind was travel and lodging; 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.
William W. Oneill among 1,946 cardiovascular disease physician records in Florida
William W. Oneill, MD is one of 1,946 cardiovascular disease physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2025 · 52% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Florida
There are 1,946 cardiovascular disease physician records in Florida.
All 1,946 in Florida → Every provider in Naples → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- David Axline, M.D.Naples, FL 341021023002003
- Robert Baily, M.D.Naples, FL 341021144221854
- Gregory Bernath, MDNaples, FL 341021497749873
- Sonjai Bhatia, M.D.Naples, FL 341021336121037
- Francis Boucek, M.D.Naples, FL 341021194817395
- James Buonavolonta, M.D.Naples, FL 341021215989595
- Bruce Gelinas, MDNaples, FL 341021184671141
- Randolph Panetta, M.D.Naples, FL 341021952310476
Common questions
What is William W. Oneill, MD's NPI number?
William W. Oneill, MD's National Provider Identifier (NPI) is 1881676435, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William W. Oneill, MD located?
The NPPES record lists a practice address at 399 9TH St N Ste 300, Naples, FL, 34102. Phone: (239) 624-4299. Providers update this record themselves, so call before visiting.
How can I verify William W. Oneill, MD's license?
NPPES lists Florida license number ME173217, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William W. Oneill, MD prescribe under Medicare Part D?
In 2024, William W. Oneill, MD had 376 Medicare Part D claims for 81 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.