Leslie O'Neill, LMFT
NPI 1225420920 · Marriage & Family Therapist · Rancho Cordova, CA
Leslie O'Neill, LMFT is a Marriage & Family Therapist provider in Rancho Cordova, CA (NPI 1225420920).
Provider details
- NPI number
- 1225420920
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2034124 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
11 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
- 2015-03-04
- Last updated
- 2023-10-27
- Certified
- 2023-10-27
Frequently asked questions
- What is Leslie O'Neill's NPI number?
- Leslie O'Neill's National Provider Identifier (NPI) is 1225420920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie O'Neill's specialty?
- Leslie O'Neill is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Leslie O'Neill located?
- Leslie O'Neill's practice location on file with NPPES is 11121 Sun Center Dr Ste F, Rancho Cordova, CA 95670-6199.
- What is Leslie O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Leslie O'Neill is (916) 471-4566.
- Is Leslie O'Neill's NPI active?
- Yes — Leslie O'Neill's NPI (1225420920) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.