IndividualActive
James Matter, PSY.D.
NPI 1427127034 · Clinical Psychologist · Naperville, IL
James Matter, PSY.D. is a Clinical Psychologist provider in Naperville, IL (NPI 1427127034).
Provider details
- NPI number
- 1427127034
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 071.008340 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
475 River Bend Rd
Suite 304
Naperville, IL 60540-5255
Phone: (630) 778-9050
Fax: (630) 778-9054
Street-level locationGet directions
Mailing address
475 River Bend Rd
Naperville, IL 60540-5255
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2016-11-29
Frequently asked questions
- What is James Matter's NPI number?
- James Matter's National Provider Identifier (NPI) is 1427127034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Matter's specialty?
- James Matter is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is James Matter located?
- James Matter's practice location on file with NPPES is 475 River Bend Rd, Naperville, IL 60540-5255.
- What is James Matter's phone number?
- The practice phone number listed in the NPPES registry for James Matter is (630) 778-9050.
- Is James Matter's NPI active?
- Yes — James Matter's NPI (1427127034) is active in the NPPES registry as of the last update on 2016-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.