DR. ONTARIO DORIAN LAU M.D.
NPI 1417120031
Otolaryngology in West Nyack, NY
About Dr. Ontario Dorian Lau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ONTARIO DORIAN LAU M.D. (NPI 1417120031) is an individual otolaryngology provider in West Nyack, New York, licensed in New York (267607) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Garnet Health Medical Center, and is a graduate of Vanderbilt University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Ontario Dorian Lau M.d. 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 Ontario Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middletown, NY 10941
- Reassigned Medicare billing, New York enrollment
- 434 clinicians in this Medicare group
Johnson City, NY 13790
- Reassigned Medicare billing, New York enrollment
- 854 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.
Garnet Health Medical Center
Acute Care Hospitals · Middletown, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10994 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.
WEST NYACK, NY 10994
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 Ontario Lau's NPI number?
The NPI number for Ontario Lau is 1417120031. It was assigned to this individual provider in the NPPES registry on April 3, 2008.
Where is Ontario Lau located?
Ontario Lau practices at 2 Centerock Rd, West Nyack, NY 10994. The listed phone number is (845) 703-6999.
What is Ontario Lau's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Ontario Lau enrolled in Medicare?
Yes. Ontario 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 Ontario Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ontario Lau reassigns Medicare benefits to 2 organizations: Crystal Run Healthcare Physicians LLP (Middletown, NY) and United Health Services Hospitals, Inc. (Johnson City, 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 Ontario Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ontario Lau affiliated with any hospitals?
According to CMS data, Ontario Lau is affiliated with Garnet Health Medical Center.
When was this NPI record last updated?
The NPPES record for Ontario Lau was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.