IndividualActive
Melissa Matuszak, PH.D.
NPI 1396482055 · Psychologist · Ontario, CA
Melissa Matuszak, PH.D. is a Psychologist provider in Ontario, CA (NPI 1396482055).
Provider details
- NPI number
- 1396482055
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSB94026633 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
1011 N Begonia Ave Ste 1009
Ontario, CA 91762-2104
Phone: (800) 683-2945
Street-level locationGet directions
Mailing address
5925 Sycamore Canyon Blvd Apt 173
Riverside, CA 92507-8469
Registry dates
- Enumerated
- 2022-05-15
- Last updated
- 2022-05-15
- Certified
- 2022-05-15
Frequently asked questions
- What is Melissa Matuszak's NPI number?
- Melissa Matuszak's National Provider Identifier (NPI) is 1396482055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Matuszak's specialty?
- Melissa Matuszak is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Melissa Matuszak located?
- Melissa Matuszak's practice location on file with NPPES is 1011 N Begonia Ave Ste 1009, Ontario, CA 91762-2104.
- What is Melissa Matuszak's phone number?
- The practice phone number listed in the NPPES registry for Melissa Matuszak is (800) 683-2945.
- Is Melissa Matuszak's NPI active?
- Yes — Melissa Matuszak's NPI (1396482055) is active in the NPPES registry as of the last update on 2022-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.