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

Mr. Ronald A Masukawa, DC

Individual provider Chiropractor · NPI 1972558609

Mr. Ronald A Masukawa, DC is a General Practice in Rockford, Illinois. Graduated from National College of Chiropractic in 1993, 33 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Trained at
National College of Chiropractic
Licensed in
IL
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

5301 E State St Ste 101
Rockford, IL 61108-2901
Phone: (815) 397-8500
Fax: (815) 397-8588
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 038007971 (IL)

Record details

NPI number1972558609
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESJuly 18, 2025
Certification dateJuly 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL PRACTICE
Also practisesCHIROPRACTIC
Medical schoolNATIONAL COLLEGE OF CHIROPRACTIC
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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