Mary Jean Mcmahon, OTR/L
NPI 1164455739 · Occupational Therapist · Everett, WA
Mary Jean Mcmahon, OTR/L is a Occupational Therapist provider in Everett, WA (NPI 1164455739).
Provider details
- NPI number
- 1164455739
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- OT00001738 (WA)
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
19 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
- 2006-07-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Jean Mcmahon's NPI number?
- Mary Jean Mcmahon's National Provider Identifier (NPI) is 1164455739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jean Mcmahon's specialty?
- Mary Jean Mcmahon is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Jean Mcmahon located?
- Mary Jean Mcmahon's practice location on file with NPPES is 916 Pacific Ave, Everett, WA 98201-4147.
- What is Mary Jean Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Mary Jean Mcmahon is (425) 258-7136.
- Is Mary Jean Mcmahon's NPI active?
- Yes — Mary Jean Mcmahon's NPI (1164455739) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.