John J. Zazzaro, D.M.D.
General Practice Dentistry · Southbury, CT
John J. Zazzaro, D.M.D. is a general practice dentistry with a practice address in Southbury, Connecticut, and NPI 1548332919, issued on Nov 14, 2006. Check the license (Connecticut 6529, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John J. Zazzaro
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6529 CT
Self-reported in NPPES; status is on the state search - Practice location
- 316 Main St S, Southbury, CT 06488
- Phone
- (203) 246-0244
- Enumerated
- Nov 14, 2006
- Record last updated
- Feb 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (203) 264-5299
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,731 in Connecticut → Look up another NPI →
Verify John J. Zazzaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6529Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average general practice dentistry in 2024
121 Medicare Part D claims for 68 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
- Amoxicillin39 claims
- Doxycycline Hyclate26 claims
- Cefadroxil16 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: $17.34
1 payment: food and beverage; the largest payer was Zimvie 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.
John J. Zazzaro among 1,731 general practice dentistry records in Connecticut
John J. Zazzaro, D.M.D. is one of 1,731 general practice dentistry records with a practice address in Connecticut. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 69% 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 updated2015 · 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 general practice dentistry records list a practice address in Southbury
They are 9 of the 520 NPPES records with a practice address in Southbury, and 1,731 general practice dentistry records in Connecticut.
All 1,731 in Connecticut → Every provider in Southbury → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Diana Cicchiello, DMDSouthbury, CT 064881447435375
- Stephen Dibenedetto, D.D.S.Southbury, CT 064881811125578
- Rosalia Gallo, DMDSouthbury, CT 064881417166406
- Perry Kest, DDSSouthbury, CT 064881326260258
- John Purcell, DDSSouthbury, CT 064881083705222
- Stephen Sallee, DMDSouthbury, CT 064881396078457
- Alan Siegel, D.D.S.Southbury, CT 064881508989419
- Steven Stirbl, D.M.D.Southbury, CT 064881649260639
Common questions
What is John J. Zazzaro, D.M.D.'s NPI number?
John J. Zazzaro, D.M.D.'s National Provider Identifier (NPI) is 1548332919, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Zazzaro, D.M.D. located?
The NPPES record lists a practice address at 316 Main St S, Southbury, CT, 06488. Phone: (203) 246-0244. Providers update this record themselves, so call before visiting.
How can I verify John J. Zazzaro, D.M.D.'s license?
NPPES lists Connecticut license number 6529, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does John J. Zazzaro, D.M.D. prescribe under Medicare Part D?
In 2024, John J. Zazzaro, D.M.D. had 121 Medicare Part D claims for 68 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.