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

Mariusz A Olszewski, MD

Individual provider Diagnostic Radiology Physician · NPI 1538147830

Mariusz A Olszewski, MD is a Diagnostic Radiology in Ardmore, Pennsylvania. Graduated from Uniformed Services Uhs Fe Hebert School of Med in 2004, 22 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group and works from 6 locations. Licensed in Illinois and Pennsylvania.

Years since qualifying
22
Trained at
Uniformed Services Uhs Fe Hebert School of Med
Licensed in
IL, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

22 Llanfair Rd Unit 6
Ardmore, PA 19003-2320
Phone: (203) 903-2982
Show map & directions

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

Additional practice locations (5)

  • 1000 N Westmoreland Rd, Lake Forest, IL 60045-1658 — (847) 535-6300
  • 68a Main St, Medway, MA 02053-1775 — (508) 488-3635
  • 14 Prospect St, Milford, MA 01757-3003 — (508) 473-1190
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-3850
  • 3400 Spruce Street, Philadelphia, PA 19104-4206 — (215) 662-3000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence MD477613 (PA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 036131442 (IL)

Record details

NPI number1538147830
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 6, 2006
Last updated in NPPESApril 27, 2026
Certification dateApril 27, 2026
Mailing address22 Llanfair Rd Unit 6, Ardmore, PA 19003-2320

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED
Graduated 2004 (22 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Not indicated
Practice locations20 on file with Medicare

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