Theresa Steiner, MFTI
NPI 1083156988 · Marriage & Family Therapist · San Juan Capistrano, CA
Theresa Steiner, MFTI is a Marriage & Family Therapist provider in San Juan Capistrano, CA (NPI 1083156988).
Provider details
- NPI number
- 1083156988
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFTI
- Sex
- Female
- Sole proprietor
- No
- License
- 91598 (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
9 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
- 2016-11-08
- Last updated
- 2016-11-08
Frequently asked questions
- What is Theresa Steiner's NPI number?
- Theresa Steiner's National Provider Identifier (NPI) is 1083156988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Steiner's specialty?
- Theresa Steiner is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Theresa Steiner located?
- Theresa Steiner's practice location on file with NPPES is 29222 Rancho Viejo Rd, San Juan Capistrano, CA 92675-1041.
- What is Theresa Steiner's phone number?
- The practice phone number listed in the NPPES registry for Theresa Steiner is (949) 429-6888.
- Is Theresa Steiner's NPI active?
- Yes — Theresa Steiner's NPI (1083156988) is active in the NPPES registry as of the last update on 2016-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.