IndividualActive
Carl Johnson, M.D.
NPI 1275525701 · Internal Medicine Physician · Mattoon, IL
Provider details
- NPI number
- 1275525701
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036057126 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
500 Health Center Dr
Suite 104
Mattoon, IL 61938-9258
Phone: (217) 258-4080
Fax: (217) 258-4084
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 372
Mattoon, IL 61938-0372
Registry dates
- Enumerated
- 2005-08-19
- Last updated
- 2015-01-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.