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

Dr. John K Parker, MD, MPH

Individual provider Preventive Medicine/Occupational Environmental Medicine Physician · NPI 1578786117

Dr. John K Parker, MD, MPH is a Preventive Medicine/Occupational Environmental Medicine Physician in Granite City, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Veeder Health Center 20th And Iowa
Granite City, IL 62040
Phone: (618) 451-3710
Show map & directions

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

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X (IL)

Record details

NPI number1578786117
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedApril 11, 2007
Last updated in NPPESJuly 8, 2007