John A. Gennantonio, D.D.S.
Pediatric Dentistry · Cincinnati, OH
John A. Gennantonio, D.D.S. is a pediatric dentistry with a practice address in Cincinnati, Ohio, and NPI 1093701245, issued on Sep 23, 2005. Check the license (Ohio 19420, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John A. Gennantonio
- Credential
- D.D.S.
- Primary taxonomy
- Pediatric Dentistry 1223P0221X
- License number
- 19420 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1319 Nagel RD., Cincinnati, OH 45255
- Phone
- (513) 474-6777
- Enumerated
- Sep 23, 2005
- Record last updated
- May 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (513) 474-2326
- Medicaid ID
- 0924807 OH
- Entity
- Type 1 · individual
8 nearest pediatric dentistry records → All 319 in Ohio → Look up another NPI →
Also registered at 1319 Nagel RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Stewart, DDSPediatric Dentistry1336309624
Verify John A. Gennantonio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 19420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $24.21
1 payment: food and beverage; the largest payer was Solventum Corporation. The 2,607 providers of this specialty with any payment received $434.77 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 A. Gennantonio among 319 pediatric dentistry records in Ohio
John A. Gennantonio, D.D.S. is one of 319 pediatric dentistry records with a practice address in Ohio. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0221X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Dentistry providers in Ohio
There are 319 pediatric dentistry records in Ohio.
All 319 in Ohio → Every provider in Cincinnati → Pediatric Dentistry nationwide →
The 8 pediatric dentistry records with the nearest ZIP codes
- Sarah Husted, D.D.S.Cincinnati, OH 452551457391724
- Kathryn Stewart, DDSCincinnati, OH 452551336309624
- Michael Gordon, D.M.D.Cincinnati, OH 452511407851702
- Ronald Rubin, D.D.S.Cincinnati, OH 452461285729707
- Leon SilvermanCincinnati, OH 452461568472876
- Adel Tawadros, DDSSpringdale, OH 452461194841403
- Ivory Ward, DDSCincinnati, OH 452461740641158
- Katherine Salmon, DMDCincinnati, OH 452451497196323
Common questions
What is John A. Gennantonio, D.D.S.'s NPI number?
John A. Gennantonio, D.D.S.'s National Provider Identifier (NPI) is 1093701245, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John A. Gennantonio, D.D.S. located?
The NPPES record lists a practice address at 1319 Nagel RD., Cincinnati, OH, 45255. Phone: (513) 474-6777. Providers update this record themselves, so call before visiting.
How can I verify John A. Gennantonio, D.D.S.'s license?
NPPES lists Ohio license number 19420, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity 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.