Brett Zalkan, RN, MN
NPI 1154205862 · Addiction (Substance Use Disorder) Registered Nurse · Seattle, WA
Brett Zalkan, RN, MN is a Addiction (Substance Use Disorder) Registered Nurse provider in Seattle, WA (NPI 1154205862).
Provider details
- NPI number
- 1154205862
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- RN, MN
- Sex
- Male
- Sole proprietor
- No
- License
- RN60918260 (WA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-08-05
- Last updated
- 2025-08-14
- Certified
- 2025-08-14
Frequently asked questions
- What is Brett Zalkan's NPI number?
- Brett Zalkan's National Provider Identifier (NPI) is 1154205862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Zalkan's specialty?
- Brett Zalkan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Brett Zalkan located?
- Brett Zalkan's practice location on file with NPPES is Swedish Medical Center-Ballard, Seattle, WA 98107.
- What is Brett Zalkan's phone number?
- The practice phone number listed in the NPPES registry for Brett Zalkan is (206) 781-6209.
- Is Brett Zalkan's NPI active?
- Yes — Brett Zalkan's NPI (1154205862) is active in the NPPES registry as of the last update on 2025-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.