Registry data as of Aug 27, 2026

Stephen Katz, D.D.S.

Dentist · Riverside, CT

Stephen Katz, D.D.S. is a dentist with a practice address in Riverside, Connecticut, and NPI 1417109414, issued on Oct 21, 2008. Check the license (Connecticut 4221, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1417109414
Name
Stephen Katz
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License numbers
4221 CT
027578 NY
Self-reported in NPPES; status is on the state search
Practice location
10 Lake Dr S, Riverside, CT 06878
Phone
(203) 637-5521
Enumerated
Oct 21, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Stephen Katz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 4221
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Industry payments in 2024: $37.50

1 payment, mostly food and beverage; the largest payer was Solventum Corporation. The 32,932 providers of this specialty with any payment received $579.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Katz$37.50
  2. Specialty average$579.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 dentist records list a Riverside practice address

They are 2 of the 86 NPPES records with a Riverside practice address, and 925 dentist records in Connecticut.

Other dentist records in Connecticut

  1. Lauren Aber, DMDMeriden, CT1083264998
  2. Alan Abrams, D.D.SNorwalk, CT1265641450
  3. Cailyn Abramson, D.M.D.Burlington, CT1437303831
  4. Laura Acuna- Vinluan, DDSStamford, CT1336775501
  5. Theodore Adamidis, DMDNewington, CT1396877981
  6. Tatiana Agababaeva, DMDBridgeport, CT1730530577
  7. Bobby Ahmadi, DMDDarien, CT1598334724
  8. Sumona Akter Eity, DMDHartford, CT1639868904
  9. Ahmad Alabbadi, DMDWindsor, CT1356788871
  10. Dina Albano, D.M.D.Waterbury, CT1235264920

Common questions

What is Stephen Katz, D.D.S.'s NPI number?

Stephen Katz, D.D.S.'s National Provider Identifier (NPI) is 1417109414, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Katz, D.D.S. located?

The NPPES record lists a practice address at 10 Lake Dr S, Riverside, CT, 06878. Phone: (203) 637-5521. Providers update this record themselves, so call before visiting.

How can I verify Stephen Katz, D.D.S.'s license?

NPPES lists Connecticut license number 4221, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.