What is Ronald Masukawa's NPI number?

Ronald Masukawa's National Provider Identifier (NPI) is 1972558609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ronald Masukawa's specialty?

Ronald Masukawa is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Ronald Masukawa located?

Ronald Masukawa's practice location on file with NPPES is 5301 E State St, Rockford, IL 61108-2901.

What is Ronald Masukawa's phone number?

The practice phone number listed in the NPPES registry for Ronald Masukawa is (815) 397-8500.

Is Ronald Masukawa's NPI active?

Yes — Ronald Masukawa's NPI (1972558609) is active in the NPPES registry as of the last update on 2025-07-18.

IndividualActive

Ronald Masukawa, DC

NPI 1972558609 · Chiropractor · Rockford, IL

Ronald Masukawa, DC is a Chiropractor provider in Rockford, IL (NPI 1972558609).

Provider details

NPI number: 1972558609
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: DC
Sex: Male
Sole proprietor: No
License: 038007971 (IL)

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense 038007971 (IL)
Chiropractic Providers

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

5301 E State St

Suite 101

Rockford, IL 61108-2901

Phone: (815) 397-8500

Fax: (815) 397-8588

Street-level locationGet directions

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Mailing address