Ben Sonnichsen, MD
NPI 1295841914 · Family Medicine Physician · Prosser, WA
Ben Sonnichsen, MD is a Family Medicine Physician provider in Prosser, WA (NPI 1295841914).
Provider details
- NPI number
- 1295841914
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00017164 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2011-12-05
Frequently asked questions
- What is Ben Sonnichsen's NPI number?
- Ben Sonnichsen's National Provider Identifier (NPI) is 1295841914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ben Sonnichsen's specialty?
- Ben Sonnichsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ben Sonnichsen located?
- Ben Sonnichsen's practice location on file with NPPES is 820 Memorial Street, Prosser, WA 99350-2504.
- What is Ben Sonnichsen's phone number?
- The practice phone number listed in the NPPES registry for Ben Sonnichsen is (509) 786-2010.
- Is Ben Sonnichsen's NPI active?
- Yes — Ben Sonnichsen's NPI (1295841914) is active in the NPPES registry as of the last update on 2011-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.