Leslie Mellgren, OT
NPI 1740458785 · Occupational Therapist · Billings, MT
Leslie Mellgren, OT is a Occupational Therapist provider in Billings, MT (NPI 1740458785).
Provider details
- NPI number
- 1740458785
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- 823 (MT)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-02-12
- Last updated
- 2011-12-27
Frequently asked questions
- What is Leslie Mellgren's NPI number?
- Leslie Mellgren's National Provider Identifier (NPI) is 1740458785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Mellgren's specialty?
- Leslie Mellgren is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Leslie Mellgren located?
- Leslie Mellgren's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101-0905.
- What is Leslie Mellgren's phone number?
- The practice phone number listed in the NPPES registry for Leslie Mellgren is (406) 238-2500.
- Is Leslie Mellgren's NPI active?
- Yes — Leslie Mellgren's NPI (1740458785) is active in the NPPES registry as of the last update on 2011-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.