IndividualActive
Karen Louwers, MFT
NPI 1639595028 · Marriage & Family Therapist · Brea, CA
Karen Louwers, MFT is a Marriage & Family Therapist provider in Brea, CA (NPI 1639595028).
Provider details
- NPI number
- 1639595028
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 47463 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
1215 W Imperial Hwy
Ste 219
Brea, CA 92821-3738
Phone: (714) 318-3973
Street-level locationGet directions
Mailing address
1417 Forestview Dr
Brea, CA 92821-2043
Registry dates
- Enumerated
- 2014-03-10
- Last updated
- 2014-03-10
Frequently asked questions
- What is Karen Louwers's NPI number?
- Karen Louwers's National Provider Identifier (NPI) is 1639595028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Louwers's specialty?
- Karen Louwers is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Karen Louwers located?
- Karen Louwers's practice location on file with NPPES is 1215 W Imperial Hwy, Brea, CA 92821-3738.
- What is Karen Louwers's phone number?
- The practice phone number listed in the NPPES registry for Karen Louwers is (714) 318-3973.
- Is Karen Louwers's NPI active?
- Yes — Karen Louwers's NPI (1639595028) is active in the NPPES registry as of the last update on 2014-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.