MS. OKI KIM VILLARREAL DC, BSEE
NPI 1225285638
Chiropractor in Aurora, IL

Q: What is Oki Villarreal's NPI number?

The NPI number for Oki Villarreal is 1225285638. It was assigned to this individual provider in the NPPES registry on August 27, 2008.

Q: What is Oki Villarreal's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Oki Villarreal was last updated on August 27, 2008. 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.

Active since August 27, 2008

1695 N FARNSWORTH AVE, AURORA, IL 60505(630) 898-6111 Get Directions Write a Review

NPPES record last updated: August 27, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Ms. Oki Kim Villarreal Dc, Bsee NPPES

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

MS. OKI KIM VILLARREAL DC, BSEE (NPI 1225285638) is an individual chiropractor in Aurora, Illinois, licensed in Illinois (0380112233) and active in the NPI registry since August 2008. She is a graduate of Palmer College Chiropractic - Davenport (2008).

NPPES Registry Identity

NPI1225285638

Entity TypeIndividualFemale

Primary Taxonomy111N00000X

Provider Legal NameMS. OKI KIM VILLARREALCredential: DC, BSEE

Location Address1695 N FARNSWORTH AVEAurora, IL 60505-1509

Mailing Address1013 Audubon LnAurora, IL 60506-8853 · (815) 230-0847

Phone(630) 898-6111

Sole ProprietorNo

Medical School CMSPalmer College Chiropractic - DavenportGraduated 2008

Enumeration DateAugust 27, 2008

✔ NPI 1225285638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in IL · 0380112233

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.

1695 N FARNSWORTH AVE, Aurora, IL 60505

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Oki Kim Villarreal Dc, Bsee is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6406912674

PECOS Enrollment IDI20090313000139

Medicare Billing Reassignment

Medicare enrollment records show Oki Villarreal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Optimum Chiropractic Center, S.C.

6.0 mi

Preferred Provider Organization

1013 AUDUBON LN
Aurora, IL 60506

Reassigned Medicare billing, Illinois enrollment

NPI 1487801890 (815) 230-0847

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Oki Villarreal's NPI number?

The NPI number for Oki Villarreal is 1225285638. It was assigned to this individual provider in the NPPES registry on August 27, 2008.

Where is Oki Villarreal located?

Oki Villarreal practices at 1695 N Farnsworth Ave, Aurora, IL 60505. The listed phone number is (630) 898-6111.

What is Oki Villarreal's specialty?

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

Is Oki Villarreal enrolled in Medicare?

Yes. Oki Villarreal is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Oki Villarreal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oki Villarreal reassigns Medicare benefits to Optimum Chiropractic Center, S.C. (Aurora, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Oki Villarreal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oki Villarreal accept?

Health plans from Providence Health Plan list Oki Villarreal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Oki Villarreal was last updated on August 27, 2008. 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.