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Leonard Mayo
NPI 1437973369 · Peer Specialist · Seattle, WA
Leonard Mayo is a Peer Specialist provider in Seattle, WA (NPI 1437973369).
Provider details
- NPI number
- 1437973369
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(49/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
2212 S Jackson St
Seattle, WA 98144-2591
Phone: (206) 910-7143
Street-level locationGet directions
Mailing address
Po Box 6601
Kent, WA 98064-6601
Registry dates
- Enumerated
- 2024-11-07
- Last updated
- 2024-11-07
- Certified
- 2024-11-07
Frequently asked questions
- What is Leonard Mayo's NPI number?
- Leonard Mayo's National Provider Identifier (NPI) is 1437973369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Mayo's specialty?
- Leonard Mayo is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Leonard Mayo located?
- Leonard Mayo's practice location on file with NPPES is 2212 S Jackson St, Seattle, WA 98144-2591.
- What is Leonard Mayo's phone number?
- The practice phone number listed in the NPPES registry for Leonard Mayo is (206) 910-7143.
- Is Leonard Mayo's NPI active?
- Yes — Leonard Mayo's NPI (1437973369) is active in the NPPES registry as of the last update on 2024-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.