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

Mark Jason Roschewski, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1912991951

Mark Jason Roschewski, MD is a Hematology/Oncology in Washington, District of Columbia. Qualified in 2001, 25 years ago. Practices with Memorial Hematology Lymphoma Group, a 216-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Alaska.

Years since qualifying
25
Licensed in
AK
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 may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

6900 Georgia Ave NW Walter Reed Army Med Ctr
Washington, DC 20307
Phone: (202) 782-4950

No coordinates on file. Search this address in Google Maps

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 5507 (AK)

Record details

NPI number1912991951
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2005
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesHEMATOLOGY, MEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Memorial Hematology Lymphoma Group — 216 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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