Toni Lasiewicki, MFTI
NPI 1821247966 · Marriage & Family Therapist · San Diego, CA
Toni Lasiewicki, MFTI is a Marriage & Family Therapist provider in San Diego, CA (NPI 1821247966).
Provider details
- NPI number
- 1821247966
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFTI
- Sex
- Female
- Sole proprietor
- No
- License
- 61560 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
17 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
- 2008-09-13
- Last updated
- 2016-09-26
Frequently asked questions
- What is Toni Lasiewicki's NPI number?
- Toni Lasiewicki's National Provider Identifier (NPI) is 1821247966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toni Lasiewicki's specialty?
- Toni Lasiewicki is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Toni Lasiewicki located?
- Toni Lasiewicki's practice location on file with NPPES is 1465 30th St, San Diego, CA 92154-3497.
- What is Toni Lasiewicki's phone number?
- The practice phone number listed in the NPPES registry for Toni Lasiewicki is (619) 428-1000.
- Is Toni Lasiewicki's NPI active?
- Yes — Toni Lasiewicki's NPI (1821247966) is active in the NPPES registry as of the last update on 2016-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.