Karen Mahon, MSW LICSW
NPI 1306865993 · Clinical Social Worker · Tyngsboro, MA
Karen Mahon, MSW LICSW is a Clinical Social Worker provider in Tyngsboro, MA (NPI 1306865993).
Provider details
- NPI number
- 1306865993
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW LICSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Additional practice locations (1)
- 233 Route 6Columbia, CT 06237-1125Phone: (860) 228-4480
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2019-10-06
Frequently asked questions
- What is Karen Mahon's NPI number?
- Karen Mahon's National Provider Identifier (NPI) is 1306865993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mahon's specialty?
- Karen Mahon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Mahon located?
- Karen Mahon's practice location on file with NPPES is 7 Jasper Ln, Tyngsboro, MA 01879-1297.
- What is Karen Mahon's phone number?
- The practice phone number listed in the NPPES registry for Karen Mahon is (978) 270-7698.
- Is Karen Mahon's NPI active?
- Yes — Karen Mahon's NPI (1306865993) is active in the NPPES registry as of the last update on 2019-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.