Marc Mestyanek
NPI 1407908684 · Marriage & Family Therapist · Laguna Hills, CA
Marc Mestyanek is a Marriage & Family Therapist provider in Laguna Hills, CA (NPI 1407908684).
Provider details
- NPI number
- 1407908684
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- T3136 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
- 2007-01-17
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Marc Mestyanek's NPI number?
- Marc Mestyanek's National Provider Identifier (NPI) is 1407908684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Mestyanek's specialty?
- Marc Mestyanek is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Marc Mestyanek located?
- Marc Mestyanek's practice location on file with NPPES is 23041 Avenida De La Carlota Fl 4, Laguna Hills, CA 92653-1511.
- What is Marc Mestyanek's phone number?
- The practice phone number listed in the NPPES registry for Marc Mestyanek is (714) 644-6480.
- Is Marc Mestyanek's NPI active?
- Yes — Marc Mestyanek's NPI (1407908684) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.