IndividualActive
John Walthart, LMFT
NPI 1194009787 · Marriage & Family Therapist · Brea, CA
John Walthart, LMFT is a Marriage & Family Therapist provider in Brea, CA (NPI 1194009787).
Provider details
- NPI number
- 1194009787
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 47380 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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 223
Brea, CA 92821-3739
Phone: (626) 224-3303
Street-level locationGet directions
Mailing address
9485 San Bernardino Rd
Rancho Cucamonga, CA 91730-2630
Registry dates
- Enumerated
- 2011-09-30
- Last updated
- 2011-09-30
Frequently asked questions
- What is John Walthart's NPI number?
- John Walthart's National Provider Identifier (NPI) is 1194009787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walthart's specialty?
- John Walthart is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Walthart located?
- John Walthart's practice location on file with NPPES is 1215 W Imperial Hwy Ste 223, Brea, CA 92821-3739.
- What is John Walthart's phone number?
- The practice phone number listed in the NPPES registry for John Walthart is (626) 224-3303.
- Is John Walthart's NPI active?
- Yes — John Walthart's NPI (1194009787) is active in the NPPES registry as of the last update on 2011-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.