NPPES file of Aug 9, 2026

David Lyon Isaacs, DMD

Dentist · Wilmington, DE

David Lyon Isaacs, DMD is a dentist with a practice address in Wilmington, Delaware, and NPI 1225114945, issued on Oct 27, 2006. Check the license (Delaware G10000925, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225114945
Name
David Lyon Isaacs
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
G10000925 DE
Self-reported in NPPES; status is on the state search
Practice location
707 Foulk RD, Wilmington, DE 19803
Phone
(302) 654-1328
Enumerated
Oct 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(302) 655-0602
Medicaid ID
0001101008 DE
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 707 Foulk RD

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

  1. Shefali Pandya Upadhyay, DMDGeneral Practice Dentistry1235229428
  2. Jane Rutledge, D.M.D.General Practice Dentistry1063540342
  3. Gary Safian, D.D.S.General Practice Dentistry1821195017

Verify David Lyon Isaacs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license G10000925
    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 Delaware license search

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2.4 times the Medicare Part D claims of the average dentist in 2024

209 Medicare Part D claims for 145 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. David Isaacs209
  2. Specialty average86

Most prescribed

  1. Amoxicillin137 claims
  2. Azithromycin26 claims
  3. Clindamycin Hcl25 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: $474.54

5 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products 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.

  1. David Isaacs$474.54
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

David Lyon Isaacs among 194 dentist records in Delaware

David Lyon Isaacs, DMD is one of 194 dentist records with a practice address in Delaware. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 69% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 dentist records list a practice address in Wilmington

They are 75 of the 6,291 NPPES records with a practice address in Wilmington, and 194 dentist records in Delaware.

The 8 dentist records with the nearest ZIP codes

  1. Kert Anzilotti, DMDWilmington, DE 198031215098363
  2. Richard Bond, DDSWilmington, DE 198031831171701
  3. Erik Bradley, DDSWilmington, DE 198031710048871
  4. Richard Carroccia, DMDWilmington, DE 198031740341882
  5. Karen Conlin, DDSWilmington, DE 198031194820175
  6. Richard Dantonio, DMDWilmington, DE 198031497973804
  7. Bruce Fay, DMDWilmington, DE 198031205914652
  8. Kathy Redden, D.D.SWilmington, DE 198031942313978

Common questions

What is David Lyon Isaacs, DMD's NPI number?

David Lyon Isaacs, DMD's National Provider Identifier (NPI) is 1225114945, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Lyon Isaacs, DMD located?

The NPPES record lists a practice address at 707 Foulk RD, Wilmington, DE, 19803. Phone: (302) 654-1328. Providers update this record themselves, so call before visiting.

How can I verify David Lyon Isaacs, DMD's license?

NPPES lists Delaware license number G10000925, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does David Lyon Isaacs, DMD prescribe under Medicare Part D?

In 2024, David Lyon Isaacs, DMD had 209 Medicare Part D claims for 145 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.