Mary Harris, LCSW-C
NPI 1871947150 · Clinical Social Worker · Worcester, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Harris, LCSW-C is a Clinical Social Worker provider in Worcester, MA (NPI 1871947150).
Provider details
- NPI number
- 1871947150
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- No
- License
- 21684 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
10 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
- 2016-04-22
- Last updated
- 2020-12-22
- Certified
- 2020-11-24
Frequently asked questions
- What is Mary Harris's NPI number?
- Mary Harris's National Provider Identifier (NPI) is 1871947150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Harris's specialty?
- Mary Harris is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Harris located?
- Mary Harris's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Mary Harris's phone number?
- The practice phone number listed in the NPPES registry for Mary Harris is (774) 442-6629.
- Does Mary Harris accept Medicare?
- Mary Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Harris's NPI active?
- Yes — Mary Harris's NPI (1871947150) is active in the NPPES registry as of the last update on 2020-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.