DR. TIANYUAN LIU M.D.
NPI 1669904322
Radiology - Diagnostic Radiology in Greenlawn, NY
About Dr. Tianyuan Liu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIANYUAN LIU M.D. (NPI 1669904322) is an individual diagnostic radiology provider in Greenlawn, New York, licensed in New York (323141) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains a secondary practice location in East Setauket.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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. Tianyuan Liu 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
3Medicare enrollment records show Tianyuan Liu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenlawn, NY 11740
- Reassigned Medicare billing, New York enrollment
- 572 clinicians in this Medicare group
Mineola, NY 11501
- Reassigned Medicare billing, New York enrollment
- 31 clinicians in this Medicare group
Scarsdale, NY 10583
- Reassigned Medicare billing, New York enrollment
- 73 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 55
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.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11740 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.
GREENLAWN, NY 11740
GREENLAWN, NY 11740
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 Tianyuan Liu's NPI number?
The NPI number for Tianyuan Liu is 1669904322. It was assigned to this individual provider in the NPPES registry on March 31, 2017. The provider is also known as Dr. Tian Liu M.D..
Where is Tianyuan Liu located?
Tianyuan Liu practices at 5 Cuba Hill Rd, Greenlawn, NY 11740. The listed phone number is (631) 628-5000.
What is Tianyuan Liu's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Tianyuan Liu enrolled in Medicare?
Yes. Tianyuan Liu 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 Tianyuan Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tianyuan Liu reassigns Medicare benefits to 3 organizations: North Shore Medical Group Of The Mount Sinai School Of Medicine (Greenlawn, NY), Icahn School Of Medicine At Mount Sinai (Mineola, NY) and Mount Sinai School Of Medicine Of New York University (Scarsdale, 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 Tianyuan Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tianyuan Liu affiliated with any hospitals?
According to CMS data, Tianyuan Liu is affiliated with Mount Sinai Hospital.
When was this NPI record last updated?
The NPPES record for Tianyuan Liu was last updated on June 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.