Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark R Johnson, MD

Individual provider Pediatric Pulmonology Physician · NPI 1205811775

Mark R Johnson, MD is a Pediatric Pulmonology Physician in Springfield, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

301 N 8th St
Springfield, IL 62701-1041
Phone: (217) 545-0702
Fax: (217) 545-5834
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Pulmonology Physician (primary) Taxonomy 2080P0214X · Licence 036-093433 (IL)

Record details

NPI number1205811775
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 7, 2005
Last updated in NPPESNovember 17, 2020
Certification dateNovember 17, 2020
Mailing addressPo Box 19639, Springfield, IL 62794-9639

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