Cynthia Mattson, LCSW
NPI 1871787523 · Clinical Social Worker · Healdsburg, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Mattson, LCSW is a Clinical Social Worker provider in Healdsburg, CA (NPI 1871787523).
Provider details
- NPI number
- 1871787523
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCSW27721 (CA)
Specialties & taxonomies
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
18 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
- 2007-09-05
- Last updated
- 2018-10-08
Frequently asked questions
- What is Cynthia Mattson's NPI number?
- Cynthia Mattson's National Provider Identifier (NPI) is 1871787523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Mattson's specialty?
- Cynthia Mattson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Cynthia Mattson located?
- Cynthia Mattson's practice location on file with NPPES is 141 North St Ste C, Healdsburg, CA 95448-3821.
- What is Cynthia Mattson's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Mattson is (707) 535-6835.
- Does Cynthia Mattson accept Medicare?
- Cynthia Mattson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Mattson's NPI active?
- Yes — Cynthia Mattson's NPI (1871787523) is active in the NPPES registry as of the last update on 2018-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.