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

Seymour Maynard Bronstein, P.s.

Organization Hematology & Oncology Physician · NPI 1679785109

Seymour Maynard Bronstein, P.s. is a Hematology & Oncology Physician in Walla Walla, Washington. Licensed in North Dakota. Registered with an NPI since 2007.

Licensed in
ND
In the registry since
2007

Practice location Address checks out

401 W Poplar
Walla Walla, WA 99362
Phone: (509) 522-5700
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 9505 (ND)

Record details

NPI number1679785109
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Seymour Bronstein — Owner · (509) 525-2220
NPI enumeratedMay 4, 2007
Last updated in NPPESAugust 22, 2020
Mailing addressP O Box 297, Walla Walla, WA 99362