Thank you for such a detailed information!!NIW is not as difficult as EB1 but it is still difficult to get through. I have many physician friends who work in underserved area. In fact, I am currently also working in an underserved area. Some of those friends have successfully obtained NIW. In fact, one of my colleague got her GC and she was in EB2 NIW category.
When I asked my lawyer to file for NIW, he advised me not to go that route because he told me that the criteria are more strict now, lot of RFEs are issued and denial rates are high. The applications are heavily scrutinized according to him.
He told me that NIW applications are compex, require lot of supporting documentations and I-140 approval can take anywhere from 6 months to 18 months under NIW since there is no premium processing available. Labor Certification is obviously waived but in terms of PD, candidates from EB2I and EB2C category do not get any benefit.
The benefits that NIW offer, which I think are huge, are:
1) You don't need an employer to sponsor your application
2) Since it is self-sponsored, jobs can be changed and you can still retain your PD provided you continue to serve in MUS (medically underserved) areas or HPSA (Health Professionals Shortage Areas) for total cumulative of 5 years. (Physicians only)
This is for physicians who usually make a bulk of NIW applications. But these days, that number is also going down compared to previous years because those applications are heavily scrutinized and denial rates are high according to my lawyer.
Now, obviously there is one Anesthesiologist whom I know who got NIW in Kansas City, MO by working in Veterans Affairs (VA) Hospital. If you are working at VA and has supporting letters from there, your chances of getting NIW approved are 99-100%. He had his I-140 approved in 4 months. Kansas City itself has a population of around 4,60,000 with urban area population 1.6 million and metro area population of 2.2 million. This is not an underserved area but than again he was working at VA.
I have another Psychiatrist physician friend who obtained NIW working 2 miles north of Chicago downtown (underserved?????) because that area was designated by Government (CMS - Combined Medicare and Medicaid Services) as medically underserved for psychiatric patient population.
My point is that these applications are tough, but there are legal and administrative loopholes which can work to an individual's benefit to get the approval.
Now, I don't know what are the NIW criteria for other occupations than physicians but anything related to NASA, Military, Government, Serving in minority dominant area (e.g. Native Americans in Appalachian region), National Institute of Health etc. would have higher NIW approval rates.