IndividualActive
James Armstrong, PHD
NPI 1851683973 · Clinical Psychologist · Oak Brook, IL
James Armstrong, PHD is a Clinical Psychologist provider in Oak Brook, IL (NPI 1851683973).
Provider details
- NPI number
- 1851683973
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 071003828 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
1000 Jorie Blvd Ste 48
Oak Brook, IL 60523-4498
Phone: (630) 368-9100
Street-level locationGet directions
Mailing address
6422 N Wayne Ave # 1
Chicago, IL 60626-5116
Registry dates
- Enumerated
- 2011-05-08
- Last updated
- 2011-05-08
Frequently asked questions
- What is James Armstrong's NPI number?
- James Armstrong's National Provider Identifier (NPI) is 1851683973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Armstrong's specialty?
- James Armstrong is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is James Armstrong located?
- James Armstrong's practice location on file with NPPES is 1000 Jorie Blvd Ste 48, Oak Brook, IL 60523-4498.
- What is James Armstrong's phone number?
- The practice phone number listed in the NPPES registry for James Armstrong is (630) 368-9100.
- Is James Armstrong's NPI active?
- Yes — James Armstrong's NPI (1851683973) is active in the NPPES registry as of the last update on 2011-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.