William Nicholas Sullivan
Dentist · Naples, FL
William Nicholas Sullivan is a dentist with a practice address in Naples, Florida, and NPI 1194995720, issued on Mar 11, 2008. Check the license (Florida DN 14951, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Nicholas Sullivan
- Primary taxonomy
- Dentist 122300000X
- License number
- DN 14951 FL
Self-reported in NPPES; status is on the state search - Practice location
- 6100 Trail Blvd North, Naples, FL 34108
- Phone
- (239) 597-4944
- Enumerated
- Mar 11, 2008
- Record last updated
- Mar 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (239) 514-0455
- Entity
- Type 1 · individual
8 nearest dentist records → All 6,155 in Florida → Look up another NPI →
Also registered at 6100 Trail Blvd North
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Womble, DDSDentist1649440264
Verify William Nicholas Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license DN 14951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average dentist in 2024
219 Medicare Part D claims for 121 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Amoxicillin118 claims
- Clindamycin Hcl49 claims
- Hydrocodone-Acetaminophen31 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.
William Nicholas Sullivan among 6,155 dentist records in Florida
William Nicholas Sullivan is one of 6,155 dentist records with a practice address in Florida. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 29% of them.
- NPI issued2008 · 29% of these records are older, 66% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
109 dentist records list a practice address in Naples
They are 109 of the 5,950 NPPES records with a practice address in Naples, and 6,155 dentist records in Florida.
All 6,155 in Florida → Every provider in Naples → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Zeynep Dunne, DMDNaples, FL 341081619661873
- Dasha Frias Landa, D.M.D.Naples, FL 341081194251348
- Matthew Holtan, D.D.S.Naples, FL 341081902117104
- Paul Mabe, D.D.S.Naples, FL 341081891804860
- George Womble, DDSNaples, FL 341081649440264
- Anna Avola, DMDNaples, FL 341091265842488
- Anthony Benza, D.M.D.Naples, FL 341091316322134
- Robert Evans, DMDNaples, FL 341091295868958
Common questions
What is William Nicholas Sullivan's NPI number?
William Nicholas Sullivan's National Provider Identifier (NPI) is 1194995720, issued on Mar 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Nicholas Sullivan located?
The NPPES record lists a practice address at 6100 Trail Blvd North, Naples, FL, 34108. Phone: (239) 597-4944. Providers update this record themselves, so call before visiting.
How can I verify William Nicholas Sullivan's license?
NPPES lists Florida license number DN 14951, 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 Nicholas Sullivan prescribe under Medicare Part D?
In 2024, William Nicholas Sullivan had 219 Medicare Part D claims for 121 beneficiaries; the average among dentist prescribers was 86. 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.