William Robert Howarth, DDS
General Practice Dentistry · North Plainfield, NJ
William Robert Howarth, DDS is a general practice dentistry with a practice address in North Plainfield, New Jersey, and NPI 1871669770, issued on Nov 24, 2006. Check the license (New Jersey 22D101197700, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Robert Howarth
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 22D101197700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 190 Greenbrook Road, North Plainfield, NJ 07060
- Phone
- (908) 754-4111
- Enumerated
- Nov 24, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (908) 754-5581
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,085 in New Jersey → Look up another NPI →
Verify William Robert Howarth 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 22D101197700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average general practice dentistry in 2024
32 Medicare Part D claims for 20 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin19 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: $64.38
2 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products 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 Robert Howarth among 4,085 general practice dentistry records in New Jersey
William Robert Howarth, DDS 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 68% 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).
10 general practice dentistry records list a practice address in North Plainfield
They are 10 of the 108 NPPES records with a practice address in North Plainfield, and 4,085 general practice dentistry records in New Jersey.
All 4,085 in New Jersey → Every provider in North Plainfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Hajera Ali, DMDNorth Plainfield, NJ 070601104341916
- Adam Goldberg, DDSNorth Plainfield, NJ 070601780149245
- Jyoti Kansara, DDSPlainfield, NJ 070601609420447
- Harmanpreet Kaur, DDSNorth Plainfield, NJ 070601417262270
- Jane Ligums, D.M.D.North Plainfield, NJ 070601104942465
- Yu Liu, D.M.D.North Plainfield, NJ 070601942342829
- Hector Lobelo, D.D.S.North Plainfield, NJ 070601497920615
- Juan Maldonado, D.M.D.North Plainfield, NJ 070601790908101
Common questions
What is William Robert Howarth, DDS's NPI number?
William Robert Howarth, DDS's National Provider Identifier (NPI) is 1871669770, issued on Nov 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Robert Howarth, DDS located?
The NPPES record lists a practice address at 190 Greenbrook Road, North Plainfield, NJ, 07060. Phone: (908) 754-4111. Providers update this record themselves, so call before visiting.
How can I verify William Robert Howarth, DDS's license?
NPPES lists New Jersey license number 22D101197700, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does William Robert Howarth, DDS prescribe under Medicare Part D?
In 2024, William Robert Howarth, DDS had 32 Medicare Part D claims for 20 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.