Heather Sieh, LMSW, LSWAIC
NPI 1881468585 · Clinical Social Worker · Spokane, WA
Heather Sieh, LMSW, LSWAIC is a Clinical Social Worker provider in Spokane, WA (NPI 1881468585).
Provider details
- NPI number
- 1881468585
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW, LSWAIC
- Sex
- Female
- Sole proprietor
- No
- License
- AZ16928 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-11-13
- Last updated
- 2025-05-15
- Certified
- 2025-05-15
Frequently asked questions
- What is Heather Sieh's NPI number?
- Heather Sieh's National Provider Identifier (NPI) is 1881468585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Sieh's specialty?
- Heather Sieh is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Heather Sieh located?
- Heather Sieh's practice location on file with NPPES is 100 N Howard St Ste W, Spokane, WA 99201-0508.
- What is Heather Sieh's phone number?
- The practice phone number listed in the NPPES registry for Heather Sieh is (520) 401-7087.
- Is Heather Sieh's NPI active?
- Yes — Heather Sieh's NPI (1881468585) is active in the NPPES registry as of the last update on 2025-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.