Mary Johnston, OTRL
NPI 1639365547 · Occupational Therapist · Tuscon, AZ
Mary Johnston, OTRL is a Occupational Therapist provider in Tuscon, AZ (NPI 1639365547).
Provider details
- NPI number
- 1639365547
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTRL
- Sex
- Female
- Sole proprietor
- No
- License
- 0195 (AZ)
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
- 2007-09-25
- Last updated
- 2007-09-25
Frequently asked questions
- What is Mary Johnston's NPI number?
- Mary Johnston's National Provider Identifier (NPI) is 1639365547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Johnston's specialty?
- Mary Johnston is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Johnston located?
- Mary Johnston's practice location on file with NPPES is 2201 W 44th St, Tuscon, AZ 85713.
- What is Mary Johnston's phone number?
- The practice phone number listed in the NPPES registry for Mary Johnston is (520) 908-5083.
- Is Mary Johnston's NPI active?
- Yes — Mary Johnston's NPI (1639365547) is active in the NPPES registry as of the last update on 2007-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.