NPPES file of Aug 9, 2026

John J. Wasniewski, DMD

Dentist · Bear, DE

John J. Wasniewski, DMD is a dentist with a practice address in Bear, Delaware, and NPI 1922204502, issued on Jun 21, 2007. Check the license (Delaware G1-0001262, 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
1922204502
Name
John J. Wasniewski
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
G1-0001262 DE
Self-reported in NPPES; status is on the state search
Practice location
262 Fox Hunt Dr, Bear, DE 19701
Phone
(302) 832-1371
Enumerated
Jun 21, 2007
Record last updated
Aug 27, 2008 (not updated in 18 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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Verify John J. Wasniewski 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 G1-0001262
    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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2.1 times the Medicare Part D claims of the average dentist in 2024

181 Medicare Part D claims for 125 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. John Wasniewski181
  2. Specialty average86

Most prescribed

  1. Amoxicillin104 claims
  2. Clindamycin Hcl24 claims
  3. Acetaminophen-Codeine18 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.

John J. Wasniewski among 194 dentist records in Delaware

John J. Wasniewski, 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 2007, is newer than 31% of them.

  • NPI issued2007 · 31% of these records are older, 43% 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 updated2008 · 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).

Dentist providers in Delaware

There are 194 dentist records in Delaware.

The 8 dentist records with the nearest ZIP codes

  1. Karen Carter, DMDBear, DE 197011518041185
  2. Kelly Walker, DDSBear, DE 197011114941986
  3. Mark Wieczorek, D.M.D.Bear, DE 197011801929294
  4. Taurance Bishop, DDSNewark, DE 197021215947494
  5. Eric Copes, D.M.D.Newark, DE 197021902063910
  6. Brienne Flagg, DMDNewark, DE 197021790004778
  7. Amanda GolshiriNewark, DE 197021740635002
  8. Jay Harris, DMDNewark, DE 197021174673800

Common questions

What is John J. Wasniewski, DMD's NPI number?

John J. Wasniewski, DMD's National Provider Identifier (NPI) is 1922204502, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John J. Wasniewski, DMD located?

The NPPES record lists a practice address at 262 Fox Hunt Dr, Bear, DE, 19701. Phone: (302) 832-1371. Providers update this record themselves, so call before visiting.

How can I verify John J. Wasniewski, DMD's license?

NPPES lists Delaware license number G1-0001262, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does John J. Wasniewski, DMD prescribe under Medicare Part D?

In 2024, John J. Wasniewski, DMD had 181 Medicare Part D claims for 125 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.