Mary Leloo, CDP
NPI 1659848786 · Addiction (Substance Use Disorder) Counselor · Seattle, WA
Mary Leloo, CDP is a Addiction (Substance Use Disorder) Counselor provider in Seattle, WA (NPI 1659848786).
Provider details
- NPI number
- 1659848786
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CDP
- Sex
- Female
- Sole proprietor
- No
- License
- CP60027753 (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
7 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
- 2018-10-26
- Last updated
- 2018-10-26
Frequently asked questions
- What is Mary Leloo's NPI number?
- Mary Leloo's National Provider Identifier (NPI) is 1659848786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Leloo's specialty?
- Mary Leloo is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Leloo located?
- Mary Leloo's practice location on file with NPPES is 1700 Airport Way S, Seattle, WA 98134-1618.
- What is Mary Leloo's phone number?
- The practice phone number listed in the NPPES registry for Mary Leloo is (206) 223-3644.
- Is Mary Leloo's NPI active?
- Yes — Mary Leloo's NPI (1659848786) is active in the NPPES registry as of the last update on 2018-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.