DR. BEN WILLIAMS SONNICHSEN MD
NPI 1295841914
Family Medicine in Prosser, WA

Q: What is Ben Sonnichsen's NPI number?

The NPI number for Ben Sonnichsen is 1295841914. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Q: What is Ben Sonnichsen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Ben Sonnichsen was last updated on December 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 23, 2006

820 MEMORIAL STREET, SUITE 1, PROSSER, WA 99350(509) 786-2010(509) 788-1794 Get Directions Write a Review

NPPES record last updated: December 5, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Ben Williams Sonnichsen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BEN WILLIAMS SONNICHSEN MD (NPI 1295841914) is an individual family medicine provider in Prosser, Washington, licensed in Washington (MD00029197) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1295841914

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. BEN WILLIAMS SONNICHSENCredential: MD

Location Address820 MEMORIAL STREET, SUITE 1Prosser, WA 99350-2504

Mailing AddressPo Box 190Toppenish, WA 98948-0190 · (509) 865-5898 · Fax (509) 865-3148

Phone(509) 786-2010

Fax(509) 788-1794

Sole ProprietorNo

Enumeration DateAugust 23, 2006

Last NPPES UpdateDecember 5, 2011

✔ NPI 1295841914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in WA · MD00029197✔ Licensed in WA · MD00017164

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

820 MEMORIAL STREET, Prosser, WA 99350

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Other Identifiers 10

Medicare UPINA07395WA

Medicaid1585801WA

Medicare ID-Type UnspecifiedG8853889

Other1585801WA · Chpw

Other911019392Commercial

Medicare OSCAR/certification8853889WA

Other1306897681Npi Prosser Memorial

Other9392SOWA · Regence

Other0200685WA · L & I

Medicare UPINA07395

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. THOMAS LEE HALVORSON MD

Orthopaedic Surgery

820 MEMORIAL STREET, STE 3
PROSSER, WA 99350

Benton County (509) 786-5599

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ben Sonnichsen's NPI number?

The NPI number for Ben Sonnichsen is 1295841914. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Ben Sonnichsen located?

Ben Sonnichsen practices at 820 Memorial Street Suite 1, Prosser, WA 99350. The listed phone number is (509) 786-2010.

What is Ben Sonnichsen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Ben Sonnichsen was last updated on December 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.