TIEN K LAU D.O.
NPI 1467807776
Hospitalist in Middletown, NY
About Tien K Lau D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIEN K LAU D.O. (NPI 1467807776) is an individual hospitalist provider in Middletown, New York, licensed in New York (291276) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with St Luke's Cornwall Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Tien K Lau D.o. 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
3Medicare enrollment records show Tien Lau reassigns Medicare billing to 3 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
Cornwall, NY 12518
- Reassigned Medicare billing, New York enrollment
- 79 clinicians in this Medicare group
New York, NY 10013
- Reassigned Medicare billing, New York enrollment
- 284 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 9
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 Luke's Cornwall Hospital
Acute Care Hospitals · Newburgh, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10941 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MIDDLETOWN, NY 10941
MIDDLETOWN, NY 10941
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 Tien Lau's NPI number?
The NPI number for Tien Lau is 1467807776. It was assigned to this individual provider in the NPPES registry on April 25, 2016.
Where is Tien Lau located?
Tien Lau practices at 155 Crystal Run Rd, Middletown, NY 10941. The listed phone number is (845) 703-6999.
What is Tien Lau's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Tien Lau enrolled in Medicare?
Yes. Tien 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 Tien Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tien Lau reassigns Medicare benefits to 3 organizations: Crystal Run Healthcare Physicians LLP (Middletown, NY), Hudson Vista Medical,pc (Cornwall, NY) and Chinatown True Care Medical PLLC (New York, 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 Tien Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tien Lau affiliated with any hospitals?
According to CMS data, Tien Lau is affiliated with St Luke's Cornwall Hospital.
When was this NPI record last updated?
The NPPES record for Tien 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.