Active NPI
Andrew Ahkwa Lau
- Dentist
- Westford, MA
National Provider Identifier
1265935126
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dentist
- License
- DN1859658
- Practice address
- 133 Littleton Rd Ste 201
Westford, MA 01886-3198 - Phone
- (978) 399-0017
- NPI assigned
- Mar 16, 2018
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dentist | 122300000X | DR60848214 | WA | |
| Dentist | 122300000X | DN1859658 | MA | Primary |
Addresses
Primary practice location
133 Littleton Rd Ste 201
Westford, MA 01886-3198
Mailing address
133 Littleton Rd Ste 201
Westford, MA 01886-3198
Phone (978) 399-0017
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
| License | State | Type | Specialty |
|---|---|---|---|
| DN1859658 | MA | MD | Dentist |
| DR60848214 | WA | MD | Dentist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Andrew Lau DDS PLLC | Current | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Practice Dentistry
- Watertown, MA
- NPI 1629934179
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1521158400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766966400000",
"number": "1265935126",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "133 LITTLETON RD STE 201",
"city": "WESTFORD",
"state": "MA",
"postal_code": "018863198",
"telephone_number": "978-399-0017"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "133 LITTLETON RD STE 201",
"city": "WESTFORD",
"state": "MA",
"postal_code": "018863198",
"telephone_number": "978-399-0017"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LAU",
"first_name": "ANDREW",
"middle_name": "AHKWA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-03-16",
"last_updated": "2025-12-29",
"certification_date": "2025-12-29",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "WA",
"license": "DR60848214",
"primary": false
},
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "MA",
"license": "DN1859658",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Westford, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.