Success Story: A Thai Transplant Nephrologist Obtained NIW Approval Without RFE
Client’s Testimonial:
“Great news. I highly appreciate your help. Thank you.”
On January 10th, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Transplant Nephrologist in the Field of Nephrology (Approval Notice).
General Field: Nephrology
Position at the Time of Case Filing: Transplant Nephrologist
Country of Origin: Thailand
State of Residence at the Time of Filing: Ohio
Approval Notice Date: January 10th, 2025
Processing Time: 10 months, 20 days (Premium Processing Upgrade Requested)
Case Summary:
We are pleased to share the approval of our client’s I-140 National Interest Waiver (NIW) petition. As a physician-scientist specializing in nephrology, the client has made significant contributions toward improving kidney transplant practices and addressing immunological barriers that lead to chronic rejection – an area of immense clinical and public health importance in the United States.
The Client’s Background and Proposed Endeavor
Holding a Doctor of Medicine (M.D.) degree, the client is an established expert in the field of nephrology. The proposed endeavor focuses on optimizing kidney transplant practices by investigating immune mechanisms involved in chronic rejection, with the goal of improving patient survival and expanding the pool of viable organ donors. This research directly supports efforts to alleviate the nation’s growing burden of chronic kidney disease and organ shortages, both of which have substantial implications for public health and healthcare costs.
Currently serving as a medical professional in the field, the client aims to continue conducting cutting-edge nephrology research at an academic or medical institution in the United States. The work aligns closely with federal healthcare initiatives to reduce the economic and social impacts of kidney failure and enhance transplant outcomes nationwide.
Demonstrating the Client’s Impact and Significance
With the guidance of the North America Immigration Law Group (NAILG), the NIW petition was carefully developed to demonstrate that the client is exceptionally well-positioned to advance this nationally significant endeavor.
The client has authored 55 peer-reviewed journal articles, including 10 first-authored papers and 8 first-authored conference abstracts, covering topics such as chronic kidney disease, dialysis optimization, and glomerular disease. The client’s body of work has been cited 870 times, underscoring its influence across nephrology and clinical medicine. Furthermore, the client has completed at least 10 peer reviews for leading medical journals – an indicator of professional recognition and expertise trusted by peers.
Beyond publication metrics, the client’s findings have shaped treatment guidelines and informed clinical best practices around the world. Several studies have referenced the client’s research in developing improved strategies for post-transplant care, dialysis patient management, and prevention of complications in kidney disease. These real-world applications highlight how the client’s work translates directly into better patient outcomes.
As one expert wrote in support of the petition:
“[Client’s] prowess in treating renal disorders, advancing dialysis modalities, and focusing on transplant nephrology, as well as his extensive record of peer-reviewed research in glomerular diseases, kidney transplant outcomes, and dialysis modalities, situate him as a leader in the field and establish his inherent value to the U.S.”
A Successful Outcome
The I-140 NIW petition was approved without any barriers, recognizing the client’s outstanding record of research, scholarship, and service in the field of nephrology. This approval reflects not only the client’s scientific accomplishments but also the strength of NAILG’s strategic approach in highlighting the measurable national benefits of the client’s work.

