Mark Anthony Wieczorek, D.M.D.
Dentist · Bear, DE
Mark Anthony Wieczorek, D.M.D. is a dentist with a practice address in Bear, Delaware, and NPI 1801929294, issued on Mar 14, 2007. Check the license (Delaware G1-0001204, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Anthony Wieczorek
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- G1-0001204 DE
DS-030059-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 494 Bear Christiana RD, Bear, DE 19701
- Phone
- (610) 361-9768
- Enumerated
- Mar 14, 2007
- Record last updated
- Feb 14, 2024
- Fax
- (610) 361-9766
- Entity
- Type 1 · individual
8 nearest dentist records → All 194 in Delaware → Look up another NPI →
Also registered at 494 Bear Christiana RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Colin Rice, DMDGeneral Practice Dentistry1609285261
- Kye WilliamsGeneral Practice Dentistry1669000311
Verify Mark Anthony Wieczorek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license G1-0001204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average dentist in 2024
64 Medicare Part D claims for 45 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate20 claims
- Amoxicillin18 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: $23.80
2 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems 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.
Mark Anthony Wieczorek among 194 dentist records in Delaware
Mark Anthony Wieczorek, D.M.D. 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 updated2024 · 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.
All 194 in Delaware → Every provider in Bear → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Karen Carter, DMDBear, DE 197011518041185
- Kelly Walker, DDSBear, DE 197011114941986
- John Wasniewski, DMDBear, DE 197011922204502
- Taurance Bishop, DDSNewark, DE 197021215947494
- Eric Copes, D.M.D.Newark, DE 197021902063910
- Brienne Flagg, DMDNewark, DE 197021790004778
- Amanda GolshiriNewark, DE 197021740635002
- Jay Harris, DMDNewark, DE 197021174673800
Common questions
What is Mark Anthony Wieczorek, D.M.D.'s NPI number?
Mark Anthony Wieczorek, D.M.D.'s National Provider Identifier (NPI) is 1801929294, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Anthony Wieczorek, D.M.D. located?
The NPPES record lists a practice address at 494 Bear Christiana RD, Bear, DE, 19701. Phone: (610) 361-9768. Providers update this record themselves, so call before visiting.
How can I verify Mark Anthony Wieczorek, D.M.D.'s license?
NPPES lists Delaware license number G1-0001204, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Anthony Wieczorek, D.M.D. prescribe under Medicare Part D?
In 2024, Mark Anthony Wieczorek, D.M.D. had 64 Medicare Part D claims for 45 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.