Individual provider Active NPI

Samuel Wu

  • Behavior Analyst
  • Chelmsford, MA
National Provider Identifier
1639067333
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
License
LABA10001546 Issued in MA
Practice address
229 Billerica Rd Ste 1
Chelmsford, MA 01824-3632
Phone
(187) 722-2039
NPI assigned
Jun 24, 2025
Last updated
Feb 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Analyst 103K00000X LABA10001546 MA Primary

Addresses

Primary practice location

229 Billerica Rd Ste 1
Chelmsford, MA 01824-3632

Mailing address

200 Chickering Rd Unit 304B
North Andover, MA 01845-4561
Phone (978) 876-0972

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
LABA10001546MAMDBehavioral Analyst

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1750723200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1639067333",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 CHICKERING RD UNIT 304B",
            "city": "NORTH ANDOVER",
            "state": "MA",
            "postal_code": "018454561",
            "telephone_number": "978-876-0972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "229 BILLERICA RD STE 1",
            "city": "CHELMSFORD",
            "state": "MA",
            "postal_code": "018243632",
            "telephone_number": "187-722-2039"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WU",
        "first_name": "SAMUEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-06-24",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "MA",
            "license": "LABA10001546",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chelmsford, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.