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

Ronald S Grant, MD

Individual provider Pediatrics Physician · NPI 1558476291

Ronald S Grant, MD is a Pediatrics Physician in Rockford, Illinois. Works from 5 locations. Licensed in Arizona, Illinois and Wisconsin.

Licensed in
AZ, IL, WI
In the registry since
2006
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5666 E State St
Rockford, IL 61108-2425
Phone: (815) 226-2000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (4)

  • 5301 E Grant Rd, Tucson, AZ 85712-2805 — (520) 324-4156
  • 1401 E State St, Rockford, IL 61104-2315 — (779) 696-4400
  • 1505 Morrison St, Madison, WI 53703 — (608) 417-0689
  • 202 S Park St, Madison, WI 53715 — (608) 417-6000

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036136987 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 54324 (WI)
Pediatrics Physician Taxonomy 208000000X · Licence 16604 (AZ)
Hospitalist Physician Taxonomy 208M00000X · Licence 036136987 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 54324 (WI)
Hospitalist Physician Taxonomy 208M00000X · Licence 16604 (AZ)

Record details

NPI number1558476291
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESNovember 7, 2024
Certification dateNovember 7, 2024
Mailing address5666 E State St, Rockford, IL 61108-2425

Other providers in Rockford