IndividualActive
Samuel Wu
NPI 1639067333 · Behavior Analyst · Chelmsford, MA
Samuel Wu is a Behavior Analyst provider in Chelmsford, MA (NPI 1639067333).
Provider details
- NPI number
- 1639067333
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- LABA10001546 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
229 Billerica Rd Ste 1
Chelmsford, MA 01824-3632
Phone: (187) 722-2039
Street-level locationGet directions
Mailing address
200 Chickering Rd Unit 304b
North Andover, MA 01845-4561
Registry dates
- Enumerated
- 2025-06-24
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Samuel Wu's NPI number?
- Samuel Wu's National Provider Identifier (NPI) is 1639067333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Wu's specialty?
- Samuel Wu is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Samuel Wu located?
- Samuel Wu's practice location on file with NPPES is 229 Billerica Rd Ste 1, Chelmsford, MA 01824-3632.
- What is Samuel Wu's phone number?
- The practice phone number listed in the NPPES registry for Samuel Wu is (187) 722-2039.
- Is Samuel Wu's NPI active?
- Yes — Samuel Wu's NPI (1639067333) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.