Can anyone advise a good/farang friendly international hospital on chaengwattana rd. or in nonthaburi district?

Thanks

Samitivej hospital has an outreach clinic on Chaengwattana

http://www.samitivejhospitals.com/contents/samitivej_chaengwattana_clinic_450/en

It provides just basic outpatient care, such as check-ups, vaccinations and outpatient consultation. For in-patient care or anything highly specialized, they'd refer you to the main Samitivej Hospital

That's about if for "international;" facilities in this area. Plenty of government hospitals and small private hospitals that cater primarily to Thais.