Seymour Koslowsky, D.D.S.
General Practice Dentistry · Westfield, NJ
Seymour Koslowsky, D.D.S. is a general practice dentistry with a practice address in Westfield, New Jersey, and NPI 1629120647, issued on Jan 18, 2007. Check the license (New Jersey 22DI 00883400, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Seymour Koslowsky
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 22DI 00883400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 500 Dorian RD, Westfield, NJ 07090
- Phone
- (908) 654-3545
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (908) 654-3724
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,085 in New Jersey → Look up another NPI →
Also registered at 500 Dorian RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Seymour Koslowsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 22DI 00883400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average general practice dentistry in 2024
24 Medicare Part D claims, 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
- Chlorhexidine Gluconate17 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.
Seymour Koslowsky among 4,085 general practice dentistry records in New Jersey
Seymour Koslowsky, D.D.S. is one of 4,085 general practice dentistry records with a practice address in New Jersey. 64% 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 32% of them.
- NPI issued2007 · 32% of these records are older, 34% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 general practice dentistry records list a practice address in Westfield
They are 22 of the 938 NPPES records with a practice address in Westfield, and 4,085 general practice dentistry records in New Jersey.
All 4,085 in New Jersey → Every provider in Westfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Joseph Albertson, DMDWestfield, NJ 070901013019074
- Paul Arfanis, DDSWestfield, NJ 070901699851980
- Kenneth Arida, DDSWestfield, NJ 070901760559967
- Steven Blutfield, D.M.D.Westfield, NJ 070901790709640
- Anthony Corello, D.M.D.Westfield, NJ 070901730257304
- Adam Feret, DMDWestfield, NJ 070901720155278
- Sunita Merriman, DDSWestfield, NJ 070901801964564
- Elihu Savad, D.D.S.Westfield, NJ 070901497776959
Common questions
What is Seymour Koslowsky, D.D.S.'s NPI number?
Seymour Koslowsky, D.D.S.'s National Provider Identifier (NPI) is 1629120647, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Seymour Koslowsky, D.D.S. located?
The NPPES record lists a practice address at 500 Dorian RD, Westfield, NJ, 07090. Phone: (908) 654-3545. Providers update this record themselves, so call before visiting.
How can I verify Seymour Koslowsky, D.D.S.'s license?
NPPES lists New Jersey license number 22DI 00883400, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Seymour Koslowsky, D.D.S. prescribe under Medicare Part D?
In 2024, Seymour Koslowsky, D.D.S. had 24 Medicare Part D claims; 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.