Gary Arno
NPI 1821838913 · Clinical Social Worker · Great Falls, MT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Arno is a Clinical Social Worker provider in Great Falls, MT (NPI 1821838913).
Provider details
- NPI number
- 1821838913
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- BBH-LCSW-LIC-71061 (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
2 yrs in NPPES 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
- 2024-05-28
- Last updated
- 2025-04-30
- Certified
- 2025-04-30
Frequently asked questions
- What is Gary Arno's NPI number?
- Gary Arno's National Provider Identifier (NPI) is 1821838913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Arno's specialty?
- Gary Arno is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gary Arno located?
- Gary Arno's practice location on file with NPPES is 600 Central Ave Ste 305, Great Falls, MT 59401-3157.
- What is Gary Arno's phone number?
- The practice phone number listed in the NPPES registry for Gary Arno is (406) 868-7507.
- Does Gary Arno accept Medicare?
- Gary Arno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Arno's NPI active?
- Yes — Gary Arno's NPI (1821838913) is active in the NPPES registry as of the last update on 2025-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.