Lydia Estephan
NPI 1659175297 · Addiction (Substance Use Disorder) Counselor · Claremont, CA
Lydia Estephan is a Addiction (Substance Use Disorder) Counselor provider in Claremont, CA (NPI 1659175297).
Provider details
- NPI number
- 1659175297
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- R16504700325 (CA)
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
1 yr 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
- 2025-04-02
- Last updated
- 2025-04-04
- Certified
- 2025-04-04
Frequently asked questions
- What is Lydia Estephan's NPI number?
- Lydia Estephan's National Provider Identifier (NPI) is 1659175297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Estephan's specialty?
- Lydia Estephan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Lydia Estephan located?
- Lydia Estephan's practice location on file with NPPES is 650 S Indian Hill Blvd, Claremont, CA 91711-5444.
- What is Lydia Estephan's phone number?
- The practice phone number listed in the NPPES registry for Lydia Estephan is (909) 399-2222.
- Is Lydia Estephan's NPI active?
- Yes — Lydia Estephan's NPI (1659175297) is active in the NPPES registry as of the last update on 2025-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.