STEPHEN VINCENT LAU
NPI 1245751098
Ophthalmology in Hammond, LA
About Stephen Vincent Lau NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN VINCENT LAU (NPI 1245751098) is an individual ophthalmology provider in Hammond, Louisiana, licensed in Ohio (35.141749) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with St Tammany Parish Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Stephen Vincent Lau is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Stephen Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 6 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 13 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.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Tammany Parish Hospital
Acute Care Hospitals · Covington, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Stephen Lau's NPI number?
The NPI number for Stephen Lau is 1245751098. It was assigned to this individual provider in the NPPES registry on July 2, 2017.
Where is Stephen Lau located?
Stephen Lau practices at 17170 S I 12 Service Rd, Hammond, LA 70403. The listed phone number is (985) 375-1111.
What is Stephen Lau's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Stephen Lau enrolled in Medicare?
Yes. Stephen Lau is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephen Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Lau reassigns Medicare benefits to 2 organizations: Northshore Eye Associates LLC (Hammond, LA) and Michael A Pisacano MD PC (Bronx, NY). 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 Stephen Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Lau affiliated with any hospitals?
According to CMS data, Stephen Lau is affiliated with St Tammany Parish Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Lau was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Stephen Vincent Lau · NPI 1245751098
Ophthalmology physician in Hammond, Louisiana. Individual provider, active in the CMS NPPES registry since July 2, 2017.
## Identity
- **NPI:** 1245751098 (Entity type: Individual)
- **Enumerated:** July 2, 2017
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 35.141749 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 17170 S I 12 SERVICE RD, Hammond, LA 70403-2408
- **Phone:** (985) 375-1111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Northshore Eye Associates LLC (NPI 1043383961, Hammond, LA); Michael A Pisacano MD PC (NPI 1740488451, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** February 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245751098) · Data from the CMS NPPES public registry.