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James Tiller, PH.D
NPI 1821350489 · Clinical Psychologist · Galesburg, IL
James Tiller, PH.D is a Clinical Psychologist provider in Galesburg, IL (NPI 1821350489).
Provider details
- NPI number
- 1821350489
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- 071.002718 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
2101 Windish Drive
Galesburg, IL 61401
Phone: (309) 342-6852
Fax: (309) 342-6535
Approximate (ZIP-level) locationGet directions
Mailing address
3020 W. Willow Knolls Drive
Peoria, IL 61614
Registry dates
- Enumerated
- 2012-06-11
- Last updated
- 2012-06-11
Frequently asked questions
- What is James Tiller's NPI number?
- James Tiller's National Provider Identifier (NPI) is 1821350489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Tiller's specialty?
- James Tiller is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is James Tiller located?
- James Tiller's practice location on file with NPPES is 2101 Windish Drive, Galesburg, IL 61401.
- What is James Tiller's phone number?
- The practice phone number listed in the NPPES registry for James Tiller is (309) 342-6852.
- Is James Tiller's NPI active?
- Yes — James Tiller's NPI (1821350489) is active in the NPPES registry as of the last update on 2012-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.