Mark Olivieri
NPI 1306735519 · Addiction (Substance Use Disorder) Counselor · Miles City, MT
Mark Olivieri is a Addiction (Substance Use Disorder) Counselor provider in Miles City, MT (NPI 1306735519).
Provider details
- NPI number
- 1306735519
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- BBH-LAC-LIC-14095 (MT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-07-01
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Mark Olivieri's NPI number?
- Mark Olivieri's National Provider Identifier (NPI) is 1306735519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Olivieri's specialty?
- Mark Olivieri is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Olivieri located?
- Mark Olivieri's practice location on file with NPPES is 4 N Haynes Ave, Miles City, MT 59301-5600.
- What is Mark Olivieri's phone number?
- The practice phone number listed in the NPPES registry for Mark Olivieri is (406) 941-0544.
- Is Mark Olivieri's NPI active?
- Yes — Mark Olivieri's NPI (1306735519) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.