Ellen Mcmahon, PSYD
NPI 1841828449 · Psychologist · Kirkland, WA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Mcmahon, PSYD is a Psychologist provider in Kirkland, WA (NPI 1841828449).
Provider details
- NPI number
- 1841828449
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- No
- License
- PY60987304 (WA)
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
6 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
- 2020-03-30
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Ellen Mcmahon's NPI number?
- Ellen Mcmahon's National Provider Identifier (NPI) is 1841828449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Mcmahon's specialty?
- Ellen Mcmahon is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ellen Mcmahon located?
- Ellen Mcmahon's practice location on file with NPPES is 120 7th Ave S, Kirkland, WA 98033-6522.
- What is Ellen Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Ellen Mcmahon is (562) 373-5536.
- Does Ellen Mcmahon accept Medicare?
- Ellen Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Mcmahon's NPI active?
- Yes — Ellen Mcmahon's NPI (1841828449) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.