William Edward Gonce, DDS
General Practice Dentistry · Hockessin, DE
William Edward Gonce, DDS is a general practice dentistry with a practice address in Hockessin, Delaware, and NPI 1689760266, issued on Oct 4, 2006. Check the license (Delaware G10001009, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Edward Gonce
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- G10001009 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1127 Valley RD Ste 203, Hockessin, DE 19707
- Phone
- (302) 235-2400
- Enumerated
- Oct 4, 2006
- Record last updated
- Sep 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (302) 235-2404
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 245 in Delaware → Look up another NPI →
Verify William Edward Gonce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license G10001009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average general practice dentistry in 2024
103 Medicare Part D claims for 72 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Penicillin V Potassium43 claims
- Amoxicillin20 claims
- Naproxen Sodium13 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: $30.48
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 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 Edward Gonce among 245 general practice dentistry records in Delaware
William Edward Gonce, DDS is one of 245 general practice dentistry records with a practice address in Delaware. 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 73% 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 updated2015 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 general practice dentistry records list a practice address in Hockessin
They are 8 of the 273 NPPES records with a practice address in Hockessin, and 245 general practice dentistry records in Delaware.
All 245 in Delaware → Every provider in Hockessin → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Joseph Cornatzer, D.M.D.Hockessin, DE 197071457321606
- Jillann Hounsell, DDSHockessin, DE 197071073660031
- Alexis Levendis, D.M.D.Hockessin, DE 197071568590834
- Beatriz Mirabal, DDSHockessin, DE 197071649391368
- Raymond Para, DDSHockessin, DE 197071790798478
- Mannat SawhneyHockessin, DE 197071972287654
- Trevor Scheff, DDSHockessin, DE 197071164582086
- Scott Arrighi, D.M.D.Middletown, DE 197091366462558
Common questions
What is William Edward Gonce, DDS's NPI number?
William Edward Gonce, DDS's National Provider Identifier (NPI) is 1689760266, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Edward Gonce, DDS located?
The NPPES record lists a practice address at 1127 Valley RD Ste 203, Hockessin, DE, 19707. Phone: (302) 235-2400. Providers update this record themselves, so call before visiting.
How can I verify William Edward Gonce, DDS's license?
NPPES lists Delaware license number G10001009, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does William Edward Gonce, DDS prescribe under Medicare Part D?
In 2024, William Edward Gonce, DDS had 103 Medicare Part D claims for 72 beneficiaries; the average among general practice dentistry prescribers was 83. 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.