Joyce Vlasak, MFTI
NPI 1538208780 · Marriage & Family Therapist · Rialto, CA
Joyce Vlasak, MFTI is a Marriage & Family Therapist provider in Rialto, CA (NPI 1538208780).
Provider details
- NPI number
- 1538208780
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFTI
- Sex
- Female
- Sole proprietor
- No
- License
- IMF51221 (CA)
Specialties & taxonomies
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
- 2007-02-05
- Last updated
- 2025-09-11
Frequently asked questions
- What is Joyce Vlasak's NPI number?
- Joyce Vlasak's National Provider Identifier (NPI) is 1538208780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joyce Vlasak's specialty?
- Joyce Vlasak is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Joyce Vlasak located?
- Joyce Vlasak's practice location on file with NPPES is 850 E Foothill Blvd, Rialto, CA 92376-5230.
- What is Joyce Vlasak's phone number?
- The practice phone number listed in the NPPES registry for Joyce Vlasak is (909) 421-9322.
- Is Joyce Vlasak's NPI active?
- Yes — Joyce Vlasak's NPI (1538208780) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.