Guillermo Brzostowski, MFT
NPI 1568589562 · Marriage & Family Therapist · Los Angeles, CA
Guillermo Brzostowski, MFT is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1568589562).
Provider details
- NPI number
- 1568589562
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 44750 (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
19 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
- 2007-03-23
- Last updated
- 2008-02-15
Frequently asked questions
- What is Guillermo Brzostowski's NPI number?
- Guillermo Brzostowski's National Provider Identifier (NPI) is 1568589562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Brzostowski's specialty?
- Guillermo Brzostowski is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Guillermo Brzostowski located?
- Guillermo Brzostowski's practice location on file with NPPES is 2904 Rowena Ave, Los Angeles, CA 90039-2042.
- What is Guillermo Brzostowski's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Brzostowski is (323) 828-9866.
- Is Guillermo Brzostowski's NPI active?
- Yes — Guillermo Brzostowski's NPI (1568589562) is active in the NPPES registry as of the last update on 2008-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.