Wayne Stemmler
NPI 1033373733 · Marriage & Family Therapist · Chino Hills, CA
Wayne Stemmler is a Marriage & Family Therapist provider in Chino Hills, CA (NPI 1033373733).
Provider details
- NPI number
- 1033373733
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 99467 (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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1907 Boys Republic DrChino Hills, CA 91709-5447Phone: (909) 628-1217Fax: (909) 306-5427
Registry dates
- Enumerated
- 2008-07-11
- Last updated
- 2023-06-21
- Certified
- 2023-06-21
Frequently asked questions
- What is Wayne Stemmler's NPI number?
- Wayne Stemmler's National Provider Identifier (NPI) is 1033373733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wayne Stemmler's specialty?
- Wayne Stemmler is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Wayne Stemmler located?
- Wayne Stemmler's practice location on file with NPPES is 3608 Steve Mcqueen Dr, Chino Hills, CA 91709-5455.
- What is Wayne Stemmler's phone number?
- The practice phone number listed in the NPPES registry for Wayne Stemmler is (909) 740-3138.
- Is Wayne Stemmler's NPI active?
- Yes — Wayne Stemmler's NPI (1033373733) is active in the NPPES registry as of the last update on 2023-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.