Louis Koussa, D.O.
NPI 1689760258 · Emergency Medicine Physician · Kennewick, WA
Louis Koussa, D.O. is a Emergency Medicine Physician provider in Kennewick, WA (NPI 1689760258).
Provider details
- NPI number
- 1689760258
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OP00000873 (WA)
Specialties & taxonomies
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
- 2006-10-04
- Last updated
- 2007-07-09
Frequently asked questions
- What is Louis Koussa's NPI number?
- Louis Koussa's National Provider Identifier (NPI) is 1689760258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Koussa's specialty?
- Louis Koussa is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Koussa located?
- Louis Koussa's practice location on file with NPPES is 900 S Auburn Street, Kennewick, WA 99336.
- What is Louis Koussa's phone number?
- The practice phone number listed in the NPPES registry for Louis Koussa is (509) 586-6111.
- Is Louis Koussa's NPI active?
- Yes — Louis Koussa's NPI (1689760258) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.