IndividualActive
Shannon Leason
NPI 1477100816 · Behavior Analyst · Chelmsford, MA
Shannon Leason is a Behavior Analyst provider in Chelmsford, MA (NPI 1477100816).
Provider details
- NPI number
- 1477100816
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- S59200202 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
315 Littleton Rd Fl 1
Chelmsford, MA 01824-3311
Phone: (978) 856-8645
Street-level locationGet directions
Mailing address
112 Leicester St
North Billerica, MA 01862-1932
Registry dates
- Enumerated
- 2019-08-21
- Last updated
- 2019-08-21
Frequently asked questions
- What is Shannon Leason's NPI number?
- Shannon Leason's National Provider Identifier (NPI) is 1477100816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Leason's specialty?
- Shannon Leason is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Shannon Leason located?
- Shannon Leason's practice location on file with NPPES is 315 Littleton Rd Fl 1, Chelmsford, MA 01824-3311.
- What is Shannon Leason's phone number?
- The practice phone number listed in the NPPES registry for Shannon Leason is (978) 856-8645.
- Is Shannon Leason's NPI active?
- Yes — Shannon Leason's NPI (1477100816) is active in the NPPES registry as of the last update on 2019-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.