Mark Edward Swierczewski, DDS
General Practice Dentistry · Lancaster, PA
Mark Edward Swierczewski, DDS is a general practice dentistry with a practice address in Lancaster, Pennsylvania, and NPI 1134392277, issued on Apr 9, 2008. Check the license (Pennsylvania DS027660L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Edward Swierczewski
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DS027660L PA
Self-reported in NPPES; status is on the state search - Practice location
- 60 W Walnut St, Lancaster, PA 17603
- Phone
- (717) 394-4466
- Enumerated
- Apr 9, 2008
- Record last updated
- May 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,612 in Pennsylvania → Look up another NPI →
Also registered at 60 W Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eva Chen, D.M.D.General Practice Dentistry1073863817
- Baillee Fahey, DMDGeneral Practice Dentistry1093292344
- Brandy Shrawder, DMDDentist1972233633
- Yasmina Wright, DDSPediatric Dentistry1538449798
Verify Mark Edward Swierczewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DS027660LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average general practice dentistry in 2024
67 Medicare Part D claims for 55 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin30 claims
- Amoxicillin-Clavulanate Potass16 claims
- Clindamycin Hcl16 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.
Mark Edward Swierczewski among 4,612 general practice dentistry records in Pennsylvania
Mark Edward Swierczewski, DDS is one of 4,612 general practice dentistry records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 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 1223G0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 general practice dentistry records list a practice address in Lancaster
They are 81 of the 5,378 NPPES records with a practice address in Lancaster, and 4,612 general practice dentistry records in Pennsylvania.
All 4,612 in Pennsylvania → Every provider in Lancaster → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Denise Alston, D.D.S.Lancaster, PA 176031144360306
- Harry Clark, DDS.Lancaster, PA 176031093863110
- Linh Duong, DMDLancaster, PA 176031609072636
- Ethel Esianor-Mitchual, DDSLancaster, PA 176031467549469
- Alex Haralam, D.M.D.Lancaster, PA 176031578662268
- Gary Higham, D.D.S.Lancaster, PA 176031922029255
- Sara Lamichane, DMDLancaster, PA 176031689697914
- Latisha Martin, D.D.S.Lancaster, PA 176031295891513
Common questions
What is Mark Edward Swierczewski, DDS's NPI number?
Mark Edward Swierczewski, DDS's National Provider Identifier (NPI) is 1134392277, issued on Apr 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Edward Swierczewski, DDS located?
The NPPES record lists a practice address at 60 W Walnut St, Lancaster, PA, 17603. Phone: (717) 394-4466. Providers update this record themselves, so call before visiting.
How can I verify Mark Edward Swierczewski, DDS's license?
NPPES lists Pennsylvania license number DS027660L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Edward Swierczewski, DDS prescribe under Medicare Part D?
In 2024, Mark Edward Swierczewski, DDS had 67 Medicare Part D claims for 55 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.