Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Stefan J Antosiewicz, MD

Individual provider Diagnostic Radiology Physician · NPI 1710470315

Dr. Stefan J Antosiewicz, MD is a Diagnostic Radiology Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2018.

Licensed in
PA
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1200 S Cedar Crest Blvd Ste 203
Allentown, PA 18103-6202
Phone: (610) 402-1033
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence MT236019 (PA)

Record details

NPI number1710470315
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2018
Last updated in NPPESApril 24, 2026
Certification dateApril 24, 2026

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