IndividualActive
Hillary Johnson, M.D.
NPI 1679596498 · Internal Medicine Physician · Chicago, IL
Hillary Johnson, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1679596498).
Provider details
- NPI number
- 1679596498
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2545 S King Dr
Chicago, IL 60616-2441
Phone: (312) 842-7117
Street-level locationGet directions
Mailing address
2311 W 22nd St
Oak Brook, IL 60523-1225
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hillary Johnson's NPI number?
- Hillary Johnson's National Provider Identifier (NPI) is 1679596498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Johnson's specialty?
- Hillary Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hillary Johnson located?
- Hillary Johnson's practice location on file with NPPES is 2545 S King Dr, Chicago, IL 60616-2441.
- What is Hillary Johnson's phone number?
- The practice phone number listed in the NPPES registry for Hillary Johnson is (312) 842-7117.
- Is Hillary Johnson's NPI active?
- Yes — Hillary Johnson's NPI (1679596498) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.