Registry data as of Aug 27, 2026

Paul Cassis, D.D.S.

General Practice Dentistry · Westbury, NY

Paul Cassis, D.D.S. is a general practice dentistry with a practice address in Westbury, New York, and NPI 1396875175, issued on Mar 7, 2007. Check the license (New York 35657, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1396875175
Name
Paul Cassis
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
35657 NY
Self-reported in NPPES; status is on the state search
Practice location
900 Merchants Concourse, Westbury, NY 11590
Phone
(516) 683-9100
Enumerated
Mar 7, 2007
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 900 Merchants Concourse

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

  1. Ivylin Banks, RNHome Health Registered Nurse1477440519
  2. Daniel Gambella, D.D.S.General Practice Dentistry1194861773
  3. Bo Ha, D.D.SEndodontics1487839619
  4. Tiffany LewisHome Health Registered Nurse1104790872
  5. Heidi Martin, RNRegistered Nurse1619363124
  6. Ezat Morcos, D.D.S.General Practice Dentistry1811021975

Verify Paul Cassis 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 35657
    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.

87% fewer Medicare Part D claims than the average general practice dentistry in 2024

11 Medicare Part D claims, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Paul Cassis11
  2. Specialty average84

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.

19 general practice dentistry records list a Westbury practice address

They are 19 of the 1,247 NPPES records with a Westbury practice address, and 7,515 general practice dentistry records in New York.

Other general practice dentistry records in New York

  1. Samantha Aaron, DMDNew York, NY1972733178
  2. Bruce Aaronson, D.D.S.Oneonta, NY1881670107
  3. Theodore Aaronson, DDSNew York, NY1679540124
  4. William Aaronson, DDSFreeport, NY1619071271
  5. Falka Abaci, MDBrooklyn, NY1639252356
  6. Laarni Abanto, D.M.D.Bronx, NY1295896413
  7. Lester Abbamonte, D.D.S.Rochester, NY1679624076
  8. Timothy Abbamonte, D.D.S.Rochester, NY1780735183
  9. Gregory Abbott, D.D.S.Getzville, NY1285857912
  10. Avraham Abboudi, DMDStaten Island, NY1063537421

Common questions

What is Paul Cassis, D.D.S.'s NPI number?

Paul Cassis, D.D.S.'s National Provider Identifier (NPI) is 1396875175, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Paul Cassis, D.D.S. located?

The NPPES record lists a practice address at 900 Merchants Concourse, Westbury, NY, 11590. Phone: (516) 683-9100. Providers update this record themselves, so call before visiting.

How can I verify Paul Cassis, D.D.S.'s license?

NPPES lists New York license number 35657, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Paul Cassis, D.D.S. prescribe under Medicare Part D?

In 2024, Paul Cassis, D.D.S. had 11 Medicare Part D claims; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions 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.