Gary D. Simon, DMD
General Practice Dentistry · Cortlandt Manor, NY
Gary D. Simon, DMD is a general practice dentistry with a practice address in Cortlandt Manor, New York, and NPI 1366654212, issued on May 4, 2007. Check the license (New York 041417, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary D. Simon
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 041417 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3565 Crompond RD, Cortlandt Manor, NY 10567
- Phone
- (914) 736-6668
- Enumerated
- May 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (914) 736-6669
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 7,828 in New York → Look up another NPI →
Also registered at 3565 Crompond RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary D. Simon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 041417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average general practice dentistry in 2024
65 Medicare Part D claims for 51 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin51 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.
Gary D. Simon among 7,828 general practice dentistry records in New York
Gary D. Simon, DMD 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).
10 general practice dentistry records list a practice address in Cortlandt Manor
They are 10 of the 456 NPPES records with a practice address in Cortlandt Manor, and 7,828 general practice dentistry records in New York.
All 7,828 in New York → Every provider in Cortlandt Manor → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Edward Lapa, DDSCortlandt Manor, NY 105671023227964
- Lawrence Lapa, D.D.S.Cortlandt Manor, NY 105671245449065
- Ifeoma NwokorieCortlandt Manor, NY 105671427156587
- Cheryline PezzulloCortlandt Manor, NY 105671679966535
- Arnold Schonberg, DDSCortlandt Manor, NY 105671104944909
- Daniel Tavelinsky, D.D.S.Cortlandt Manor, NY 105671831319268
- Paul Taxin, DMDCortlandt Manor, NY 105671184704314
- Herbert Wassey, D.D.S.Cortlandt Manor, NY 105671376970913
Common questions
What is Gary D. Simon, DMD's NPI number?
Gary D. Simon, DMD's National Provider Identifier (NPI) is 1366654212, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary D. Simon, DMD located?
The NPPES record lists a practice address at 3565 Crompond RD, Cortlandt Manor, NY, 10567. Phone: (914) 736-6668. Providers update this record themselves, so call before visiting.
How can I verify Gary D. Simon, DMD's license?
NPPES lists New York license number 041417, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Gary D. Simon, DMD prescribe under Medicare Part D?
In 2024, Gary D. Simon, DMD had 65 Medicare Part D claims for 51 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.