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Hannah Sommerfeld
NPI 1598607061 · Mental Health Counselor · Seattle, WA
Hannah Sommerfeld is a Mental Health Counselor provider in Seattle, WA (NPI 1598607061).
Provider details
- NPI number
- 1598607061
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
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
83% 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
3400 Harbor Ave Sw Ste 233
Seattle, WA 98126-2394
Phone: (425) 448-5988
Street-level locationGet directions
Mailing address
522 W Riverside Ave Ste N
Spokane, WA 99201-0581
Registry dates
- Enumerated
- 2026-04-06
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is Hannah Sommerfeld's NPI number?
- Hannah Sommerfeld's National Provider Identifier (NPI) is 1598607061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Sommerfeld's specialty?
- Hannah Sommerfeld is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Hannah Sommerfeld located?
- Hannah Sommerfeld's practice location on file with NPPES is 3400 Harbor Ave Sw Ste 233, Seattle, WA 98126-2394.
- What is Hannah Sommerfeld's phone number?
- The practice phone number listed in the NPPES registry for Hannah Sommerfeld is (425) 448-5988.
- Is Hannah Sommerfeld's NPI active?
- Yes — Hannah Sommerfeld's NPI (1598607061) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.