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

Individual provider Hematology & Oncology Physician · NPI 1467436915

Dr. Adam Jan Olszewski, MD is a Hematology/Oncology in Providence, Rhode Island. Qualified in 1999, 27 years ago. Practices with Rhode Island Hospital, a 428-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Rhode Island.

Years since qualifying
27
Licensed in
RI
In the registry since
2005
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

593 Eddy St
Providence, RI 02903-4923
Phone: (401) 444-5435
Fax: (401) 444-8918
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD11974 (RI)

Record details

NPI number1467436915
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 29, 2005
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Rhode Island Hospital — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Providence