Nyssa Matson-Keats, L.I.C.S.W
NPI 1407018146 · Clinical Social Worker · Lexington, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nyssa Matson-Keats, L.I.C.S.W is a Clinical Social Worker provider in Lexington, MA (NPI 1407018146).
Provider details
- NPI number
- 1407018146
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.I.C.S.W
- Sex
- Female
- Sole proprietor
- Yes
- License
- 111996 (MA)
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
17 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
- 2008-06-25
- Last updated
- 2008-06-25
Frequently asked questions
- What is Nyssa Matson-Keats's NPI number?
- Nyssa Matson-Keats's National Provider Identifier (NPI) is 1407018146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nyssa Matson-Keats's specialty?
- Nyssa Matson-Keats is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nyssa Matson-Keats located?
- Nyssa Matson-Keats's practice location on file with NPPES is 35 Bedford St, Lexington, MA 02420-4320.
- What is Nyssa Matson-Keats's phone number?
- The practice phone number listed in the NPPES registry for Nyssa Matson-Keats is (781) 861-6767.
- Does Nyssa Matson-Keats accept Medicare?
- Nyssa Matson-Keats is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nyssa Matson-Keats's NPI active?
- Yes — Nyssa Matson-Keats's NPI (1407018146) is active in the NPPES registry as of the last update on 2008-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.