DR. BILL N TSU M.D.
NPI 1194883082
Anesthesiology in Bethpage, NY
About Dr. Bill N Tsu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BILL N TSU M.D. (NPI 1194883082) is an individual anesthesiology provider in Bethpage, New York, licensed in New York (165532-1) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Bill N Tsu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Bill Tsu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Garden City, NY 11530
- Reassigned Medicare billing, New York enrollment
- 16 clinicians in this Medicare group
Garden City, NY 11530
- Reassigned Medicare billing, New York enrollment
- 59 clinicians in this Medicare group
West Islip, NY 11795
- 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 4
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.
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.
BETHPAGE, NY 11714
BETHPAGE, NY 11714
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 Bill Tsu's NPI number?
The NPI number for Bill Tsu is 1194883082. It was assigned to this individual provider in the NPPES registry on December 5, 2006.
Where is Bill Tsu located?
Bill Tsu practices at 4295 Hempstead Tpke, Bethpage, NY 11714. The listed phone number is (516) 731-4724.
What is Bill Tsu's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Bill Tsu enrolled in Medicare?
Yes. Bill Tsu is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Bill Tsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bill Tsu reassigns Medicare benefits to 3 organizations: Sri Gastroenterology PC (Garden City, NY), Star Suites LLC (Garden City, NY) and Suffolk Anesthesia Services PLLC (West Islip, 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 Bill Tsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Bill Tsu was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.