Stefan J. Antosiewicz, MD
Diagnostic Radiology Physician · Allentown, PA
Stefan J. Antosiewicz, MD is a diagnostic radiology physician with a practice address in Allentown, Pennsylvania, and NPI 1710470315, issued on Jun 8, 2018. Check the license (Pennsylvania MT236019, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stefan J. Antosiewicz
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MT236019 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 S Cedar Crest Blvd Ste 203, Allentown, PA 18103
- Phone
- (610) 402-1033
- Enumerated
- Jun 8, 2018
- Record last updated
- Apr 24, 2026
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 2,199 in Pennsylvania → Look up another NPI →
Also registered at 1200 S Cedar Crest Blvd Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna McQueen, MDStudent in an Organized Health Care Education/Training Program1083404016
Verify Stefan J. Antosiewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT236019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stefan J. Antosiewicz among 2,199 diagnostic radiology physician records in Pennsylvania
Stefan J. Antosiewicz, MD is one of 2,199 diagnostic radiology physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 9% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Pennsylvania
There are 2,199 diagnostic radiology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,199 in Pennsylvania → Every provider in Allentown → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Kevin Bannon, M.D.Allentown, PA 181031215907456
- Joshua Bemporad, M.D.Allentown, PA 181031043273758
- Stanley Benzel, M.D.Allentown, PA 181031942263652
- Christopher Brown, M.D.Allentown, PA 181031497719686
- John Cox, M.D.Allentown, PA 181031902860174
- Albert Dandegian, M.D.Allentown, PA 181031720042997
- Kelly Freed, M.D.Allentown, PA 181031639133341
- David Greenberg, MDAllentown, PA 181031417943119
Common questions
What is Stefan J. Antosiewicz, MD's NPI number?
Stefan J. Antosiewicz, MD's National Provider Identifier (NPI) is 1710470315, issued on Jun 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stefan J. Antosiewicz, MD located?
The NPPES record lists a practice address at 1200 S Cedar Crest Blvd Ste 203, Allentown, PA, 18103. Phone: (610) 402-1033. Providers update this record themselves, so call before visiting.
How can I verify Stefan J. Antosiewicz, MD's license?
NPPES lists Pennsylvania license number MT236019, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.