Success Stories: Healing the Brain, Shaping the Future: NIW Approved for Interventional Neuroradiologist

 

Client’s Testimonial:

“I sincerely appreciate your support and professional guidance throughout the NIW petition process. I am very pleased to hear that my I-140 NIW has been approved. Thank you again for your dedicated assistance.”


On March 25th, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Clinical Assistant Professor in the Field of Interventional Neuroradiology (Approval Notice).


General Field: Interventional Neuroradiology

Position at the Time of Case Filing: Clinical Assistant Professor

Country of Origin: South Korea

Country of Residence at the Time of Filing: South Korea

Approval Notice Date: March 25th, 2025

Processing Time: 5 months, 15 days (Premium Processing Requested)


Case Summary:               

Behind every major public health milestone lies a fusion of expertise, precision, and innovation. For a clinical assistant professor focused on interventional neuroradiology, this combination is not theoretical—it is the foundation of a medical journey aimed at reducing the economic and human burden of stroke-related disabilities. With the approval of his EB-2 NIW (National Interest Waiver) petition, his efforts have now been formally recognized as beneficial to the United States.

Treating Stroke with Innovation, Not Just Intervention

The client’s proposed endeavor focuses on improving acute ischemic stroke treatment through advancements in mechanical thrombectomy procedures and the development of next-generation neurointerventional devices. His goal is ambitious yet clear: reduce stroke-induced disabilities and associated healthcare costs by optimizing the safety, precision, and efficacy of endovascular procedures.

An Accomplished Record of Scholarship

With 34 peer-reviewed journal articles, 7 first-authored abstracts, and 1 patent, cited 130 times, the client has an established publication and citation record that reflects depth and consistency.

National Importance, Demonstrated Influence

What sets this case apart is not just the volume of work but its application across national and global health systems. The key highlights of his work include:

  • His findings on post-stroke depression influenced mental health treatment models.
  • His thrombectomy timing analysis informed guidelines on late-window interventions.
  • His work on Doppler screening helped validate less invasive diagnostic tools.

These citations are not perfunctory—they are foundational. They demonstrate how his results are used to guide both clinical decision-making and further innovation in stroke care.

Approved with RFE: A Case of Convincing Merit

Despite a Request for Evidence (RFE) issued in late 2024, NAILG successfully responded with a comprehensive case file highlighting:

  • Extensive evidence of field impact (via percentile-ranked citations),
  • Documented speaking engagements and peer recognition,
  • Tangible alignment with U.S. healthcare priorities, and
  • Independent confirmation of national importance from leading experts.

The petition was approved less than four months after filing, reflecting both the strength of the evidence and the efficiency of the presentation.

Conclusion

With EB-2 NIW approval now secured, this physician-scientist stands poised to further develop transformative stroke interventions that serve both patient outcomes and national healthcare sustainability. At NAILG, we are proud to have supported this critical milestone and look forward to seeing the continuing influence of his work on health systems and lives across the United States.

North America Immigration Law Group (Chen Immigration Law Associates) is a U.S. immigration law firm dedicated to representing corporations, research institutions, and individuals from all 50 U.S. states regarding I-140 immigration petitions. We specialize in employment-based immigration petition and have a proven record of high success rate for the categories of: EB2-NIW (National Interest Waiver), EB1-A (Alien of Extraordinary Ability), EB1-B (Outstanding Researcher/Professor) and O-1 (Alien of Extraordinary Ability).

Our Ten Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend

With more than 58,000 EB-1A, EB-1B, EB-2 NIW and O-1 cases approved, we have first hand information on the manner in which the USCIS adjudicate I-140 cases. As the USCIS has constantly changed its adjudication standards for the EB-1A, EB-1B and EB-2 NIW categories, our firm's huge database of successful cases gives you unprecedented insight to USCIS adjudication trends. We carefully analyze the data for all of our cases and apply the results of our analyses toward giving our clients up-to-date advice and adapting our strategies such that we remain on par with the ever-shifting landscape of immigration law in the U.S. With us, you will always have access to important updates, strategies, and information so that you can make the most informed decisions about your case.

We Have Helped Hundreds and Thousands of Clients with Credentials and Backgrounds Similar to Yours

With our exceedingly large number of successful petitions, no matter what credentials you have, no matter your background and field of expertise, no matter your visa status or nationality, chances are we have helped hundreds or even thousands of clients just like you. Our clients are usually impressed with how well we understand their research and work. Our insight and understanding stems from the fact that we have handled many cases with elements similar to yours already, and this helps us devise the best strategies for each individual petition.

Vast Majority of Clients Came to Us Because of Referrals

For years, our firm has attracted new clients based solely on word of mouth, recommendations, and the positive collaboration experiences shared with them by their friends and family. We take pride in our reputation and work hard to ensure that we provide a green card application experience that our clients are happy to share with their friends and colleagues. That is how our cumulative total of approved cases grew from 600 in 2013 to over 58,000 in 2025.


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