David Ross Leonoff, DDS
Dentist · Lake Ronkonkoma, NY
David Ross Leonoff, DDS is a dentist with a practice address in Lake Ronkonkoma, New York, and NPI 1063584910, issued on Nov 15, 2006. Check the license (New York 0457381, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Ross Leonoff
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 0457381 NY
Self-reported in NPPES; status is on the state search - Practice location
- 469 Hawkins Ave, Lake Ronkonkoma, NY 11779
- Phone
- (631) 588-8280
- Enumerated
- Nov 15, 2006
- Record last updated
- Feb 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (631) 588-6258
- Entity
- Type 1 · individual
Also registered at 469 Hawkins Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- George Skevofilax, D.D.S.Dentist1861626830
Verify David Ross Leonoff 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 0457381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average dentist in 2024
290 Medicare Part D claims for 137 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin108 claims
- Chlorhexidine Gluconate82 claims
- Ibuprofen53 claims
- Doxycycline Hyclate14 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.
Industry payments in 2024: $15.90
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
7 dentist records list a practice address in Lake Ronkonkoma
They are 7 of the 199 NPPES records with a practice address in Lake Ronkonkoma, and 5,918 dentist records in New York.
All 7 in Lake Ronkonkoma → All 5,918 in New York → Every provider in Lake Ronkonkoma →
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- Adam Abdeh, DDSMonroe, NY1639299985
- Youssef Abdel-AzizeNew York, NY1700536240
- Nora Abdelrahman, DDSDobbs Ferry, NY1417649401
- Jamaad AbdiBronx, NY1609458421
- Seema Abdullah, DDSBuffalo, NY1427258565
- Yitzchok Abed, DDSBronx, NY1437656782
Common questions
What is David Ross Leonoff, DDS's NPI number?
David Ross Leonoff, DDS's National Provider Identifier (NPI) is 1063584910, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Ross Leonoff, DDS located?
The NPPES record lists a practice address at 469 Hawkins Ave, Lake Ronkonkoma, NY, 11779. Phone: (631) 588-8280. Providers update this record themselves, so call before visiting.
How can I verify David Ross Leonoff, DDS's license?
NPPES lists New York license number 0457381, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does David Ross Leonoff, DDS prescribe under Medicare Part D?
In 2024, David Ross Leonoff, DDS had 290 Medicare Part D claims for 137 beneficiaries; the average among dentist prescribers was 86. 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.