Michael N Sonn, Licensed Clinical Social Worker, PC
NPI 1144959370 · Community/Behavioral Health Agency · Arcata, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael N Sonn, Licensed Clinical Social Worker, PC is a Community/Behavioral Health Agency organization in Arcata, CA (NPI 1144959370).
Provider details
- NPI number
- 1144959370
- Entity type
- Organization
- Primary specialty
- Community/Behavioral Health AgencyAgencies
- Organization subpart
- No
- Authorized official
- Michael Sonn, Therapist/President(707) 881-9493
Specialties & taxonomies
Agencies
- Mental Health Counselor101YM0800X
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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Other names (DBA / former)
- Doing business as
- Six Rivers Wellness
Additional practice locations (1)
- 114 Orchard LnWillow Creek, CA 95573-9310Phone: (707) 633-8054
Registry dates
- Enumerated
- 2022-06-04
- Last updated
- 2025-06-22
- Certified
- 2025-06-22
Frequently asked questions
- What is Michael N Sonn, Licensed Clinical Social Worker, PC's NPI number?
- Michael N Sonn, Licensed Clinical Social Worker, PC's National Provider Identifier (NPI) is 1144959370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael N Sonn, Licensed Clinical Social Worker, PC?
- Michael N Sonn, Licensed Clinical Social Worker, PC is classified in the NPPES registry as Community/Behavioral Health Agency (Agencies).
- Where is Michael N Sonn, Licensed Clinical Social Worker, PC located?
- Michael N Sonn, Licensed Clinical Social Worker, PC's practice location on file with NPPES is 920 Samoa Blvd Ste 209, Arcata, CA 95521-6696.
- What is Michael N Sonn, Licensed Clinical Social Worker, PC's phone number?
- The practice phone number listed in the NPPES registry for Michael N Sonn, Licensed Clinical Social Worker, PC is (707) 940-9528.
- Does Michael N Sonn, Licensed Clinical Social Worker, PC accept Medicare?
- Michael N Sonn, Licensed Clinical Social Worker, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Michael N Sonn, Licensed Clinical Social Worker, PC?
- The authorized official listed on Michael N Sonn, Licensed Clinical Social Worker, PC's NPPES record is Michael Sonn, Therapist/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael N Sonn, Licensed Clinical Social Worker, PC's NPI active?
- Yes — Michael N Sonn, Licensed Clinical Social Worker, PC's NPI (1144959370) is active in the NPPES registry as of the last update on 2025-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.