Nancy Leyko, RADT
NPI 1598336836 · Addiction (Substance Use Disorder) Counselor · Escondido, CA
Nancy Leyko, RADT is a Addiction (Substance Use Disorder) Counselor provider in Escondido, CA (NPI 1598336836).
Provider details
- NPI number
- 1598336836
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RADT
- Sex
- Female
- Sole proprietor
- No
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
4 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
- 2021-07-07
- Last updated
- 2021-07-07
- Certified
- 2021-07-07
Frequently asked questions
- What is Nancy Leyko's NPI number?
- Nancy Leyko's National Provider Identifier (NPI) is 1598336836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Leyko's specialty?
- Nancy Leyko is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Nancy Leyko located?
- Nancy Leyko's practice location on file with NPPES is 550 W Washington Ave, Escondido, CA 92025-1643.
- What is Nancy Leyko's phone number?
- The practice phone number listed in the NPPES registry for Nancy Leyko is (760) 489-6380.
- Is Nancy Leyko's NPI active?
- Yes — Nancy Leyko's NPI (1598336836) is active in the NPPES registry as of the last update on 2021-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.