Are there any avenues open for a registered RN with a Masters Degree (MPH) in the USA to self sponsor for a green card?

Self petitions are available to EB-2, based on NIW, EB-1. EB1. or E-2 Treaty Investors or EB-5. See below from the USCIS website National...

Premium processing is available for L-1 adjudication. The premium processing fee may be paid by the employer or the employee. A response is had...

Will I be detained at customs, or denied a VISA, if traveling into the US if I have an outstanding warrant?

You should assume that if you were fingerprinted the information is in the federal system. If you were not fingerprinted, it remains likely you are...

Where can I find consulate where visa was issued if I have a b-2 visa

on the page in your passport that has the visa stamp.

My extension letter of the I-751 had expired three months ago. What will I do?

You should follow up on your application to remove conditions and seek an extension of the one year extension.

Can I file I-130 for my husband while my N-400 is pending?

Yes you may file now and upgrade later.

Interview- N652 Congratulation! Your application has been recommend for approval.Status Online changed.

In most situations the recommendation of the examiner is followed by the supervisor. You will need to wait for the decision to come from USCIS to...

I don't know how to answer N-400 Part 12 No.22-23

Failure to disclose is a significant issue with applications filed with USCIS.

You will have your answer soon, the review was completed and a final decision was made. In most situations the recommendation of the examiner is...

Can we re apply for i 539 again after denied

Itf you remain in status and the I-20 is valid applying again is appropriate