NPPES file of Aug 9, 2026

Gregory Wayne Kennedy, DDS

General Practice Dentistry · Commack, NY

Gregory Wayne Kennedy, DDS is a general practice dentistry with a practice address in Commack, New York, and NPI 1902017973, issued on May 24, 2007. Check the license (New York 039664, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902017973
Name
Gregory Wayne Kennedy
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
039664 NY
Self-reported in NPPES; status is on the state search
Practice location
164 Commack RD, Commack, NY 11725
Phone
(631) 499-3377
Enumerated
May 24, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(631) 858-0586
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.
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Also registered at 164 Commack RD

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

  1. James Green, DDSOrthodontics and Dentofacial Orthopedics Dentistry1851420772
  2. Kevin Martin, DMDDentist1487642914
  3. Laurence Wynn, DDSGeneral Practice Dentistry1215146337

Verify Gregory Wayne Kennedy 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 039664
    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.

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6% more Medicare Part D claims than the average general practice dentistry in 2024

88 Medicare Part D claims for 43 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.

  1. Gregory Kennedy88
  2. Specialty average83

Most prescribed

  1. Amoxicillin52 claims
  2. Chlorhexidine Gluconate20 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.

Gregory Wayne Kennedy among 7,828 general practice dentistry records in New York

Gregory Wayne Kennedy, DDS 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. Its NPI, issued in 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 35% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 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).

31 general practice dentistry records list a practice address in Commack

They are 31 of the 1,341 NPPES records with a practice address in Commack, and 7,828 general practice dentistry records in New York.

The 8 general practice dentistry records with the nearest ZIP codes

  1. David Adler, DDSCommack, NY 117251992830947
  2. Ralph Berardi, DDSCommack, NY 117251568584969
  3. Albert Biggiani, DMDCommack, NY 117251790802270
  4. Steven Feigelson, D.D.S.Commack, NY 117251184700528
  5. Claire Giordano, DDSCommack, NY 117251669505228
  6. Paul Glasser, D.D.S.Commack, NY 117251346334307
  7. Steven Green, D.D.S.Commack, NY 117251073607958
  8. Louis Kalkines, DDSCommack, NY 117251548396757

Common questions

What is Gregory Wayne Kennedy, DDS's NPI number?

Gregory Wayne Kennedy, DDS's National Provider Identifier (NPI) is 1902017973, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Wayne Kennedy, DDS located?

The NPPES record lists a practice address at 164 Commack RD, Commack, NY, 11725. Phone: (631) 499-3377. Providers update this record themselves, so call before visiting.

How can I verify Gregory Wayne Kennedy, DDS's license?

NPPES lists New York license number 039664, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Wayne Kennedy, DDS prescribe under Medicare Part D?

In 2024, Gregory Wayne Kennedy, DDS had 88 Medicare Part D claims for 43 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.