NPPES file of Aug 9, 2026

Richard William Derfuss, D.D.S.

Dentist · Nanuet, NY

Richard William Derfuss, D.D.S. is a dentist with a practice address in Nanuet, New York, and NPI 1235267881, issued on Mar 2, 2007. Check the license (New York 037144, 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
1235267881
Name
Richard William Derfuss
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
037144 NY
Self-reported in NPPES; status is on the state search
Practice location
9 Poplar St, Nanuet, NY 10954
Phone
(845) 623-3519
Enumerated
Mar 2, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(801) 469-9719
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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Verify Richard William Derfuss 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 037144    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
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8 dentist records list a practice address in Nanuet

They are 8 of the 803 NPPES records with a practice address in Nanuet, and 5,918 dentist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8 in Nanuet → All 5,918 in New York → Every provider in Nanuet →

Other dentist records in New York

  1. Mario Abati, D.D.S.Bronx, NY1770506123
  2. Igor Abayev, DDSJackson Heights, NY1982797387
  3. Maricelle Abayon, D.M.D.Rochester, NY1174767511
  4. Albana AbaziBrooklyn, NY1912646530
  5. Adam Abdeh, DDSMonroe, NY1639299985
  6. Youssef Abdel-AzizeNew York, NY1700536240
  7. Nora Abdelrahman, DDSDobbs Ferry, NY1417649401
  8. Jamaad AbdiBronx, NY1609458421
  9. Seema Abdullah, DDSBuffalo, NY1427258565
  10. Yitzchok Abed, DDSBronx, NY1437656782

Common questions

What is Richard William Derfuss, D.D.S.'s NPI number?

Richard William Derfuss, D.D.S.'s National Provider Identifier (NPI) is 1235267881, issued on Mar 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Richard William Derfuss, D.D.S. located?

The NPPES record lists a practice address at 9 Poplar St, Nanuet, NY, 10954. Phone: (845) 623-3519. Providers update this record themselves, so call before visiting.

How can I verify Richard William Derfuss, D.D.S.'s license?

NPPES lists New York license number 037144, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.