NPPES file of Aug 9, 2026

Mark D. Horowitz, D.D.S.

General Practice Dentistry · Suffern, NY

Mark D. Horowitz, D.D.S. is a general practice dentistry with a practice address in Suffern, New York, and NPI 1952455230, issued on Jan 23, 2007. Check the license (New York 035061, 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
1952455230
Name
Mark D. Horowitz
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
035061 NY
Self-reported in NPPES; status is on the state search
Practice location
11 N Airmont RD, Suffern, NY 10901
Phone
(845) 357-7525
Enumerated
Jan 23, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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.
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8 nearest general practice dentistry records → All 7,828 in New York → Look up another NPI →

Also registered at 11 N Airmont RD

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

  1. Jessica Berkowitz, M.D.Diagnostic Radiology Physician1912908732
  2. Soheila Elaahi, D.D.S., M.S.General Practice Dentistry1265664353
  3. Walter Nieves, M.D.Neurology Physician1740206440
  4. Robert Tash, M.D.Diagnostic Radiology Physician1548242266
  5. Guy Towle, D.D.S.General Practice Dentistry1093937732
  6. Nancy Waltner, M.D.Obstetrics & Gynecology Physician1760510911

Verify Mark D. Horowitz 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 035061    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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Mark D. Horowitz among 7,828 general practice dentistry records in New York

Mark D. Horowitz, 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 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 35% 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 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).

29 general practice dentistry records list a practice address in Suffern

They are 29 of the 1,104 NPPES records with a practice address in Suffern, 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.

All 7,828 in New York → Every provider in Suffern → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Paul Eliazo, DDSSuffern, NY 109011710033469
  2. Ronald Herrmann, DDSSuffern, NY 109011508876152
  3. Howard Hindin, D.D.S.Suffern, NY 109011831112663
  4. Jeffrey Hindin, D.D.S.Suffern, NY 109011033133608
  5. Samuel Horowitz, D.D.S.Suffern, NY 109011093811911
  6. Paul Kim, DDSSuffern, NY 109011811002058
  7. Baruch Lifshitz, DDSSuffern, NY 109011487678546
  8. Gila Marciano, D.D.S.Suffern, NY 109011376639773

Common questions

What is Mark D. Horowitz, D.D.S.'s NPI number?

Mark D. Horowitz, D.D.S.'s National Provider Identifier (NPI) is 1952455230, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Horowitz, D.D.S. located?

The NPPES record lists a practice address at 11 N Airmont RD, Suffern, NY, 10901. Phone: (845) 357-7525. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Horowitz, D.D.S.'s license?

NPPES lists New York license number 035061, 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.