David Costner, APRN NP-BC

NPI 1346542867 · on the registry since 2010 · sole proprietor

Practice

Address: 406 W Railroad Ave
Plains, MT 59859
Phone: (406) 540-5757
Fax: (833) 906-2418
Organisation at this address: Costner Care Family Clinic, Llc
Inferred from a shared address, not stated in the registry.

Registry record

Primary taxonomy: Nurse Practitioner
363L00000X
Also registered as: Nurse Practitioner
Licence states on file: MT
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2026-04-24

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Montana