Company "NSLIJ RIGHTFAX" repeatedly calling my non-fax line.  Same company repeatedly faxed from (914) 207-2954

Probably time to buy a call blocker device, app, or phone.
Google "call blocker" to see the various types, and find one that best meets your needs.

Called several times today while I was not home.  Left no message.  Caller ID said Northwell Health.  Hope they die soon.  Needless to say, they left no message.  Now added to call block