IndividualActive
William Donaldson
NPI 1174702328 · Clinical Psychologist · Marion, IL
William Donaldson is a Clinical Psychologist provider in Marion, IL (NPI 1174702328).
Provider details
- NPI number
- 1174702328
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4503 W Deyoung St
Suite 103c
Marion, IL 62959-7654
Phone: (618) 998-0888
Fax: (618) 993-1808
Street-level locationGet directions
Mailing address
4503 W Deyoung St
Marion, IL 62959-7654
Registry dates
- Enumerated
- 2007-10-24
- Last updated
- 2007-10-24
Frequently asked questions
- What is William Donaldson's NPI number?
- William Donaldson's National Provider Identifier (NPI) is 1174702328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Donaldson's specialty?
- William Donaldson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Donaldson located?
- William Donaldson's practice location on file with NPPES is 4503 W Deyoung St, Marion, IL 62959-7654.
- What is William Donaldson's phone number?
- The practice phone number listed in the NPPES registry for William Donaldson is (618) 998-0888.
- Is William Donaldson's NPI active?
- Yes — William Donaldson's NPI (1174702328) is active in the NPPES registry as of the last update on 2007-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.