NPPES file of Aug 9, 2026

Thomas J. O'Connor, D.D.S.

General Practice Dentistry · Sayville, NY

Thomas J. O'Connor, D.D.S. is a general practice dentistry with a practice address in Sayville, New York, and NPI 1679731277, issued on May 30, 2008. Check the license (New York 036038, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679731277
Name
Thomas J. O'Connor
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
036038 NY
Self-reported in NPPES; status is on the state search
Practice location
33 Candee Ave, Sayville, NY 11782
Phone
(631) 589-2211
Enumerated
May 30, 2008
Record last updated
May 30, 2008 (not updated in 18 years: call before relying on the address or phone)
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

Also registered at 33 Candee Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marla Hamilton, MHC-LPMental Health Counselor1295626604
  2. Stevan Pierce, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1689723058
  3. Jennifer Tietjen, LMSWSocial Worker1659038644

Verify Thomas J. O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 036038
    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 New York 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Thomas J. O'Connor among 7,828 general practice dentistry records in New York

Thomas J. O'Connor, D.D.S. is one of 7,828 general practice dentistry records with a practice address in New York. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 65% of them.

  • NPI issued2008 · 65% of these records are older, 29% newer
  • In a Medicare fileNo · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 79% 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 York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 general practice dentistry records list a practice address in Sayville

They are 7 of the 360 NPPES records with a practice address in Sayville, and 7,828 general practice dentistry records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. John Foti, DDSSayville, NY 117821144609769
  2. Karen Lee, DDSSayville, NY 117821265051601
  3. David Malkin, DMDSayville, NY 117821578781423
  4. Thomas O'Malley, D.D.S.Sayville, NY 117821447585310
  5. Walter Rostkowski, D.D.SSayville, NY 117821003827742
  6. Steven RubinSayville, NY 117821962518043
  7. Paul Affrunti, D.D.S.Seaford, NY 117831649318650
  8. Elizabeth Affrunti, D.D.S.Seaford, NY 117831962540971

Common questions

What is Thomas J. O'Connor, D.D.S.'s NPI number?

Thomas J. O'Connor, D.D.S.'s National Provider Identifier (NPI) is 1679731277, issued on May 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas J. O'Connor, D.D.S. located?

The NPPES record lists a practice address at 33 Candee Ave, Sayville, NY, 11782. Phone: (631) 589-2211. Providers update this record themselves, so call before visiting.

How can I verify Thomas J. O'Connor, D.D.S.'s license?

NPPES lists New York license number 036038, as entered by the provider. Search the New York 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. 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.