OrganizationActive
Ronald K Wassenar
NPI 1245291939 · Chiropractor · Westchester, IL
Ronald K Wassenar is a Chiropractor organization in Westchester, IL (NPI 1245291939).
Provider details
- NPI number
- 1245291939
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Ronald Wassenar, Owner(708) 562-9200
Specialties & taxonomies
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
10526 W Cermak Rd
Suite 104
Westchester, IL 60154-5249
Phone: (708) 562-9200
Fax: (708) 562-9207
Street-level locationGet directions
Mailing address
10526 W Cermak Rd
Westchester, IL 60154-5249
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2007-10-15
Frequently asked questions
- What is Ronald K Wassenar's NPI number?
- Ronald K Wassenar's National Provider Identifier (NPI) is 1245291939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ronald K Wassenar?
- Ronald K Wassenar is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Ronald K Wassenar located?
- Ronald K Wassenar's practice location on file with NPPES is 10526 W Cermak Rd, Westchester, IL 60154-5249.
- What is Ronald K Wassenar's phone number?
- The practice phone number listed in the NPPES registry for Ronald K Wassenar is (708) 562-9200.
- Who is the authorized official for Ronald K Wassenar?
- The authorized official listed on Ronald K Wassenar's NPPES record is Ronald Wassenar, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ronald K Wassenar's NPI active?
- Yes — Ronald K Wassenar's NPI (1245291939) is active in the NPPES registry as of the last update on 2007-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.