DR. AGNES LAU DMD
NPI 1780675819
Dentist in Boston, MA
About Dr. Agnes Lau Dmd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AGNES LAU DMD (NPI 1780675819) is an individual dentist in Boston, Massachusetts, licensed in Massachusetts (16139) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Agnes Lau Dmd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Agnes Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Agnes Lau's NPI number?
The NPI number for Agnes Lau is 1780675819. It was assigned to this individual provider in the NPPES registry on October 28, 2005.
Where is Agnes Lau located?
Agnes Lau practices at 165 Cambridge St Mgh Dental Group Suite 401, Boston, MA 02114. The listed phone number is (617) 726-1076.
What is Agnes Lau's specialty?
The primary specialty registered for this NPI is Dentist with taxonomy code 122300000X.
Is Agnes Lau enrolled in Medicare?
Yes. Agnes Lau is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Agnes Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Agnes Lau reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Agnes Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Agnes Lau accept?
Health plans from Taro Health list Agnes Lau as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Agnes Lau was last updated on September 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Agnes Lau, DMD · NPI 1780675819
Dentist provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 28, 2005.
## Identity
- **NPI:** 1780675819 (Entity type: Individual)
- **Enumerated:** October 28, 2005
- **Primary specialty:** Dentist · taxonomy 122300000X
- **State license:** 16139 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 165 CAMBRIDGE ST, MGH DENTAL GROUP SUITE 401, Boston, MA 02114-2783
- **Phone:** (617) 726-1076 · **Fax:** (617) 724-6681
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 26, 2011
- **Other identifiers:** Medicaid 0273074 (MA); Medicare UPIN T57679
---
Source: [NPI Profile](https://npiprofile.com/npi/1780675819) · Data from the CMS NPPES public registry.