Dalton Mainwaring, LCSW
NPI 1639854979 · Clinical Social Worker · Helena, MT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dalton Mainwaring, LCSW is a Clinical Social Worker provider in Helena, MT (NPI 1639854979).
Provider details
- NPI number
- 1639854979
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- BBH-LCSW-LIC-57357 (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
3 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
- 2023-06-15
- Last updated
- 2023-06-15
- Certified
- 2023-06-15
Frequently asked questions
- What is Dalton Mainwaring's NPI number?
- Dalton Mainwaring's National Provider Identifier (NPI) is 1639854979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dalton Mainwaring's specialty?
- Dalton Mainwaring is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dalton Mainwaring located?
- Dalton Mainwaring's practice location on file with NPPES is 2755 Colonial Dr, Helena, MT 59601-4926.
- What is Dalton Mainwaring's phone number?
- The practice phone number listed in the NPPES registry for Dalton Mainwaring is (406) 444-1068.
- Does Dalton Mainwaring accept Medicare?
- Dalton Mainwaring is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dalton Mainwaring's NPI active?
- Yes — Dalton Mainwaring's NPI (1639854979) is active in the NPPES registry as of the last update on 2023-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.