Mai-Phuong Johnston, OTR/L
NPI 1437320132 · Occupational Therapist · Chicago, IL
Mai-Phuong Johnston, OTR/L is a Occupational Therapist provider in Chicago, IL (NPI 1437320132).
Provider details
- NPI number
- 1437320132
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- Yes
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
83% 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
- 2008-03-20
- Last updated
- 2008-03-20
Frequently asked questions
- What is Mai-Phuong Johnston's NPI number?
- Mai-Phuong Johnston's National Provider Identifier (NPI) is 1437320132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mai-Phuong Johnston's specialty?
- Mai-Phuong Johnston is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mai-Phuong Johnston located?
- Mai-Phuong Johnston's practice location on file with NPPES is 3012 W Fullerton Ave, Chicago, IL 60647-2808.
- What is Mai-Phuong Johnston's phone number?
- The practice phone number listed in the NPPES registry for Mai-Phuong Johnston is (773) 276-5212.
- Is Mai-Phuong Johnston's NPI active?
- Yes — Mai-Phuong Johnston's NPI (1437320132) is active in the NPPES registry as of the last update on 2008-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.