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

Dr. Sam O Wanko, MD

Individual provider Hematology & Oncology Physician · NPI 1649293309

Dr. Sam O Wanko, MD is a Hematology & Oncology Physician in Bethesda, Maryland. Works from 2 locations. Licensed in Virginia and West Virginia.

Licensed in
VA, WV
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.

See every abbreviation used in this directory →

Practice location Address checks out

Bldg 8 4th Deck 8901 Wisconsin Ave National National Medical Ctr Dept OF Oncology
Bethesda, MD 20889
Phone: (301) 435-5386
Show map & directions

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

Additional practice locations (1)

  • Bldg 8 4th Deck 8901 Wisconsin Ave, Bethesda, MD 20889-5600 — (301) 435-5386

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 28106 (WV)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 0101058113 (VA)

Record details

NPI number1649293309
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESApril 7, 2022
Certification dateApril 7, 2022

Other providers in Bethesda