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

Dr. Joseph Lee Roswarski, MD

Individual provider Internal Medicine Physician · NPI 1215223839

Dr. Joseph Lee Roswarski, MD is a Medical Oncology in Washington, District of Columbia. Graduated from Indiana University School of Medicine in 2011, 15 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia and Virginia.

Years since qualifying
15
Trained at
Indiana University School of Medicine
Licensed in
DC, VA
In the registry since
2011
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

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone: (202) 444-2223
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • Wramc, Bldg 2, Room 2g01, Washington, DC 20307-5001 — (765) 586-8965
  • 1 Jarrett White Rd, Tripler Army Medical Center, HI 96859-5001 — (808) 433-6535

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD210002210 (DC)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101254676 (VA)

Record details

NPI number1215223839
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2011
Last updated in NPPESSeptember 7, 2022
Certification dateSeptember 7, 2022

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY, RADIATION ONCOLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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