DR. SAMUEL M LIU M.D.
NPI 1245243013
Ophthalmology in Princeton, NJ
About Dr. Samuel M Liu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL M LIU M.D. (NPI 1245243013) is an individual ophthalmology provider in Princeton, New Jersey, licensed in New Jersey (25MA06742600) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
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. Samuel M 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 Reassignment
Medicare enrollment records show Samuel Liu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Princeton, NJ 08540
- Reassigned Medicare billing, New Jersey enrollment
- Also billed through NPI 1164528980 (New Jersey)
- 6 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 19
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08540 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 9
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 Samuel Liu's NPI number?
The NPI number for Samuel Liu is 1245243013. It was assigned to this individual provider in the NPPES registry on August 14, 2006.
Where is Samuel Liu located?
Samuel Liu practices at 419 North Harrison Street Suite 104, Princeton, NJ 08540. The listed phone number is (609) 921-9437.
What is Samuel Liu's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Samuel Liu enrolled in Medicare?
Yes. Samuel 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 organization bills Medicare for Samuel Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Liu reassigns Medicare benefits to Princeton Eye Group PA (Princeton, NJ). The 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 Samuel Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Liu accept?
Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida, Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. and 2 other insurers list Samuel Liu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Samuel Liu was last updated on July 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.