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

Robert Siefring

Individual provider Social Worker · NPI 1033574124

Robert Siefring is a Social Worker in Yakima, Washington. Works from 2 locations. Registered with an NPI since 2015.

In the registry since
2015

Practice location Address checks out

505 S 4th Ave
Yakima, WA 98902-3547
Phone: (509) 575-4084
Show map & directions

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

Additional practice locations (1)

  • 402 S 4th Ave, Yakima, WA 98902-3546 — (509) 575-4084

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1033574124
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 16, 2015
Last updated in NPPESSeptember 19, 2024
Certification dateSeptember 19, 2024
Mailing addressPo Box 959, Yakima, WA 98907-0959

Other providers in Yakima