William George Leder, D.M.D.
General Practice Dentistry · South Plainfield, NJ
William George Leder, D.M.D. is a general practice dentistry with a practice address in South Plainfield, New Jersey, and NPI 1790909299, issued on Apr 13, 2007. Check the license (New Jersey DI-17946, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William George Leder
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DI-17946 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 5001 Hadley RD, South Plainfield, NJ 07080
- Phone
- (908) 561-3300
- Enumerated
- Apr 13, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (908) 561-1387
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,085 in New Jersey → Look up another NPI →
Verify William George Leder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license DI-17946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average general practice dentistry in 2024
26 Medicare Part D claims for 14 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin15 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 George Leder among 4,085 general practice dentistry records in New Jersey
William George Leder, D.M.D. is one of 4,085 general practice dentistry records with a practice address in New Jersey. 64% 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 32% of them.
- NPI issued2007 · 32% of these records are older, 34% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 80% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 general practice dentistry records list a practice address in South Plainfield
They are 16 of the 330 NPPES records with a practice address in South Plainfield, and 4,085 general practice dentistry records in New Jersey.
All 4,085 in New Jersey → Every provider in South Plainfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Joseph Aiello, DDSSouth Plainfield, NJ 070801366592651
- Nicholas Capogrosso, D.M.DSouth Plainfield, NJ 070801811098890
- Shweta Gandhi, DDSSouth Plainfield, NJ 070801972862878
- Mohinder Garg, D.D.S.South Plainfield, NJ 070801144433780
- Shruti Gonzales, DMDSouth Plainfield, NJ 070801538316955
- Douglas Klein, DDSSouth Plainfield, NJ 070801356492821
- Howard Mintz, DDSSouth Plainfield, NJ 070801447389788
- Jayantilal Patel, DDSSouth Plainfield, NJ 070801528287778
Common questions
What is William George Leder, D.M.D.'s NPI number?
William George Leder, D.M.D.'s National Provider Identifier (NPI) is 1790909299, issued on Apr 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William George Leder, D.M.D. located?
The NPPES record lists a practice address at 5001 Hadley RD, South Plainfield, NJ, 07080. Phone: (908) 561-3300. Providers update this record themselves, so call before visiting.
How can I verify William George Leder, D.M.D.'s license?
NPPES lists New Jersey license number DI-17946, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does William George Leder, D.M.D. prescribe under Medicare Part D?
In 2024, William George Leder, D.M.D. had 26 Medicare Part D claims for 14 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.