Byron Janzen
NPI 1235455767 · Marriage & Family Therapist · Moreno Valley, CA
Byron Janzen is a Marriage & Family Therapist provider in Moreno Valley, CA (NPI 1235455767).
Provider details
- NPI number
- 1235455767
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 56072 (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
16 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
- 2010-04-08
- Last updated
- 2010-04-08
Frequently asked questions
- What is Byron Janzen's NPI number?
- Byron Janzen's National Provider Identifier (NPI) is 1235455767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Byron Janzen's specialty?
- Byron Janzen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Byron Janzen located?
- Byron Janzen's practice location on file with NPPES is 21250 Box Springs Rd, Moreno Valley, CA 92557-8705.
- What is Byron Janzen's phone number?
- The practice phone number listed in the NPPES registry for Byron Janzen is (951) 369-8036.
- Is Byron Janzen's NPI active?
- Yes — Byron Janzen's NPI (1235455767) is active in the NPPES registry as of the last update on 2010-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.