Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gillian M Holsinger

Individual provider Case Manager/Care Coordinator · NPI 1962858035

Gillian M Holsinger is a Case Manager/Care Coordinator in Williston, North Dakota. Practices as a sole proprietor. Registered with an NPI since 2016.

In the registry since
2016

Practice location Address checks out

220 7th St W
Williston, ND 58801-5120
Phone: (218) 289-2583
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1962858035
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 9, 2016
Last updated in NPPESMay 9, 2016
Mailing address220 7th St W, Williston, ND 58801-5120

Other providers in Williston