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

Dr. Ben Ouyang

Individual provider Medical Oncology Physician · NPI 1356091896

Dr. Ben Ouyang is a Medical Oncology Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2022

Practice location Address checks out

55 Fruit St
Boston, MA 02114-2696
Phone: (617) 726-5820
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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 293679 (MA)

Record details

NPI number1356091896
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 27, 2022
Last updated in NPPESMay 14, 2026
Certification dateMay 14, 2026
Mailing address55 Fruit St, Boston, MA 02114-2696

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