Catherine Trzeciak, M.S.
NPI 1629434196 · Marriage & Family Therapist · Sierra Madre, CA
Catherine Trzeciak, M.S. is a Marriage & Family Therapist provider in Sierra Madre, CA (NPI 1629434196).
Provider details
- NPI number
- 1629434196
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC41668 (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
10 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
- 2016-01-13
- Last updated
- 2016-01-13
Frequently asked questions
- What is Catherine Trzeciak's NPI number?
- Catherine Trzeciak's National Provider Identifier (NPI) is 1629434196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Trzeciak's specialty?
- Catherine Trzeciak is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Catherine Trzeciak located?
- Catherine Trzeciak's practice location on file with NPPES is 71 W. Sierra Madre Blvd, Sierra Madre, CA 91024.
- What is Catherine Trzeciak's phone number?
- The practice phone number listed in the NPPES registry for Catherine Trzeciak is (626) 447-7114.
- Is Catherine Trzeciak's NPI active?
- Yes — Catherine Trzeciak's NPI (1629434196) is active in the NPPES registry as of the last update on 2016-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.