Theodore Clark
NPI 1568233260 · Diagnostic Radiology Physician · North Chicago, IL
Theodore Clark is a Diagnostic Radiology Physician provider in North Chicago, IL (NPI 1568233260).
Provider details
- NPI number
- 1568233260
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 533773 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
Mailing address
Registry dates
- Enumerated
- 2024-01-11
- Last updated
- 2024-01-11
- Certified
- 2024-01-11
Frequently asked questions
- What is Theodore Clark's NPI number?
- Theodore Clark's National Provider Identifier (NPI) is 1568233260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Clark's specialty?
- Theodore Clark is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Clark located?
- Theodore Clark's practice location on file with NPPES is 3001 Green Bay Rd, North Chicago, IL 60064-3048.
- What is Theodore Clark's phone number?
- The practice phone number listed in the NPPES registry for Theodore Clark is (847) 688-1900.
- Is Theodore Clark's NPI active?
- Yes — Theodore Clark's NPI (1568233260) is active in the NPPES registry as of the last update on 2024-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.