John T. Hamberger
Dentist · Livingston, NJ
John T. Hamberger is a dentist with a practice address in Livingston, New Jersey, and NPI 1093946881, issued on Jul 28, 2009. Check the license (New Jersey 22DI01404300, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John T. Hamberger
- Primary taxonomy
- Dentist 122300000X
- License number
- 22DI01404300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 155 S Livingston Ave, Livingston, NJ 07039
- Phone
- (973) 992-0075
- Enumerated
- Jul 28, 2009
- Record last updated
- Jul 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,742 in New Jersey → Look up another NPI →
Also registered at 155 S Livingston Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Hamberger, DDSGeneral Practice Dentistry1538460647
Verify John T. Hamberger 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 22DI01404300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average dentist in 2024
41 Medicare Part D claims for 27 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
John T. Hamberger among 2,742 dentist records in New Jersey
John T. Hamberger is one of 2,742 dentist records with a practice address in New Jersey. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 53% of them.
- NPI issued2009 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 74% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in New Jersey
There are 2,742 dentist records in New Jersey.
All 2,742 in New Jersey → Every provider in Livingston → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Anna Brunetti, DMDLivingston, NJ 070391447505730
- Charles Ditta, D.M.D.Livingston, NJ 070391871638544
- Jeffrey Finkelstein, DMDLivingston, NJ 070391639222003
- Alison Givner, DDSLivingston, NJ 070391346516861
- Bernard Gorkowitz, DDSLivingston, NJ 070391144238387
- Romona Kennedy, D.M.D.Livingston, NJ 070391679750491
- David Lepelletier, DMDLivingston, NJ 070391376986943
- David Liebes, DDSLivingston, NJ 070391336335033
Common questions
What is John T. Hamberger's NPI number?
John T. Hamberger's National Provider Identifier (NPI) is 1093946881, issued on Jul 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John T. Hamberger located?
The NPPES record lists a practice address at 155 S Livingston Ave, Livingston, NJ, 07039. Phone: (973) 992-0075. Providers update this record themselves, so call before visiting.
How can I verify John T. Hamberger's license?
NPPES lists New Jersey license number 22DI01404300, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does John T. Hamberger prescribe under Medicare Part D?
In 2024, John T. Hamberger had 41 Medicare Part D claims for 27 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.