Andrew Johnston, MD
NPI 1427503697 · Diagnostic Radiology Physician · Chicago, IL
Andrew Johnston, MD is a Diagnostic Radiology Physician provider in Chicago, IL (NPI 1427503697).
Provider details
- NPI number
- 1427503697
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14272883-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 100 N Mario Capecchi DrSalt Lake City, UT 84113-1103Phone: (801) 487-0451
Registry dates
- Enumerated
- 2016-08-17
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Andrew Johnston's NPI number?
- Andrew Johnston's National Provider Identifier (NPI) is 1427503697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Johnston's specialty?
- Andrew Johnston is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Johnston located?
- Andrew Johnston's practice location on file with NPPES is 240 E Huron St, Chicago, IL 60611-2909.
- What is Andrew Johnston's phone number?
- The practice phone number listed in the NPPES registry for Andrew Johnston is (312) 503-7975.
- Is Andrew Johnston's NPI active?
- Yes — Andrew Johnston's NPI (1427503697) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.