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

Mark Charles Olivieri

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1306735519

Mark Charles Olivieri is an Addiction (Substance Use Disorder) Counselor in Miles City, Montana. Licensed in Montana. Registered with an NPI since 2025.

Licensed in
MT
In the registry since
2025

Practice location Address checks out

4 N Haynes Ave
Miles City, MT 59301-5600
Phone: (406) 941-0544
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence BBH-LAC-LIC-14095 (MT)

Record details

NPI number1306735519
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 1, 2025
Last updated in NPPESJuly 1, 2025
Certification dateJuly 1, 2025
Mailing address4 N Haynes Ave, Miles City, MT 59301-5600

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