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

Dr. Stefan P Tarnawsky, MDPHD

Individual provider Medical Oncology Physician · NPI 1023679859

Dr. Stefan P Tarnawsky, MDPHD is a Medical Oncology in Saint Louis, Missouri. Graduated from Indiana University School of Medicine in 2019, 7 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
7
Trained at
Indiana University School of Medicine
Licensed in
MO
In the registry since
2019
Specialties on file
2
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Practice location Address checks out

1 Barnes Jewish Hospital Plz Div Im Medical Oncology
Saint Louis, MO 63110-1003
Phone: (314) 747-1171
Fax: (314) 454-5902
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 2021006235 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2021006235 (MO)

Record details

NPI number1023679859
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorNo
NPI enumeratedJune 24, 2019
Last updated in NPPESAugust 6, 2025
Certification dateJune 19, 2021

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Saint Louis