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DR. RONALD K WASSENAR D.C.
NPI 1891974341
Chiropractor in Westchester, IL

Active since November 01, 2007Accepts Medicare Assignment
10526 W CERMAK RD, SUITE 104, WESTCHESTER, IL 60154(708) 562-9200(708) 562-9207 Get Directions Write a Review

NPPES record last updated: November 1, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald K Wassenar D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD K WASSENAR D.C. (NPI 1891974341) is an individual chiropractor in Westchester, Illinois and active in the NPI registry since November 2007. He is a graduate of National College Of Chiropractic (1983).

NPPES Registry Identity

NPI1891974341
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. RONALD K WASSENARCredential: D.C.
Location Address10526 W CERMAK RD, SUITE 104Westchester, IL 60154-5249
Mailing Address10526 W Cermak Rd, Suite 104Westchester, IL 60154-5249 · (708) 562-9200 · Fax (708) 562-9207
Phone(708) 562-9200
Fax(708) 562-9207
Sole ProprietorYes
Medical School CMSNational College Of ChiropracticGraduated 1983
Enumeration DateNovember 1, 2007
✔ NPI 1891974341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
10526 W CERMAK RD, Westchester, IL 60154
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Other Identifiers 6

Other769657IL · Coventry Healthcare
Other5044243IL · Aetna
Other1682731IL · Bc/bs
Medicare PIN731040IL
Other113554250227IL · Humana
Medicare UPINT38283IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ronald K Wassenar D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143319731
PECOS Enrollment IDI20071205000027

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 5 spinal regions 98942
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's alignment. In a 5 spinal region treatment, the chiropractor applies controlled force to specific areas in your neck, mid-back, lower back, and both sides of your pelvis.
463 services76 patients

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL FERENCE LCPC, INC
Counselor (Professional)
10526 W CERMAK RD, SUITE 307C
WESTCHESTER, IL 60154
Cook County (708) 497-9729
GUADALUPE ROSAS-RICO LSW
Social Worker
10526 W CERMAK RD
WESTCHESTER, IL 60154
Cook County (312) 597-6869
RONALD K WASSENAR
Chiropractor
10526 W CERMAK RD, SUITE 104
WESTCHESTER, IL 60154
Cook County (708) 562-9200
MR. JOSEPH V VASILEVSKI M.A., L.C.P.C
Counselor (Professional)
10526 W CERMAK RD
WESTCHESTER, IL 60154
Cook County (708) 257-1808
OUTLOOK COUNSELING SERVICES LLC
Social Worker (Clinical)
10526 W CERMAK RD
WESTCHESTER, IL 60154
Cook County (708) 735-9081
DR. KATHERINE CAMPBELL PHD, LCPC, NCSP
Counselor (Professional)
10526 W CERMAK RD, SUITE 308AA
WESTCHESTER, IL 60154
Cook County (872) 444-6594
DANIEL FERENCE LCPC
Counselor (Professional)
10526 W CERMAK RD, SUITE 307C
WESTCHESTER, IL 60154
Cook County (708) 497-9729

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Wassenar's NPI number?

The NPI number for Ronald Wassenar is 1891974341. It was assigned to this individual provider in the NPPES registry on November 1, 2007.

Where is Ronald Wassenar located?

Ronald Wassenar practices at 10526 W Cermak Rd Suite 104, Westchester, IL 60154. The listed phone number is (708) 562-9200.

What is Ronald Wassenar's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Ronald Wassenar enrolled in Medicare?

Yes. Ronald Wassenar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ronald Wassenar was last updated on November 1, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.