OrganizationActive
Sempiterno PLLC
NPI 1306576863 · Mental Health Counselor · Seattle, WA
Sempiterno PLLC is a Mental Health Counselor organization in Seattle, WA (NPI 1306576863).
Provider details
- NPI number
- 1306576863
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Martha Stebbins-Aguiniga, Owner(206) 717-4470
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
6407 Fauntleroy Way Sw
Seattle, WA 98136-1820
Phone: (206) 717-4470
Street-level locationGet directions
Mailing address
3850 33rd Ave Sw
Seattle, WA 98126-2514
Registry dates
- Enumerated
- 2022-06-15
- Last updated
- 2022-06-30
- Certified
- 2022-06-30
Frequently asked questions
- What is Sempiterno PLLC's NPI number?
- Sempiterno PLLC's National Provider Identifier (NPI) is 1306576863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sempiterno PLLC?
- Sempiterno PLLC is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sempiterno PLLC located?
- Sempiterno PLLC's practice location on file with NPPES is 6407 Fauntleroy Way Sw, Seattle, WA 98136-1820.
- What is Sempiterno PLLC's phone number?
- The practice phone number listed in the NPPES registry for Sempiterno PLLC is (206) 717-4470.
- Who is the authorized official for Sempiterno PLLC?
- The authorized official listed on Sempiterno PLLC's NPPES record is Martha Stebbins-Aguiniga, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sempiterno PLLC's NPI active?
- Yes — Sempiterno PLLC's NPI (1306576863) is active in the NPPES registry as of the last update on 2022-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.