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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM L. BUCHAR III D.C.
NPI 1790788792
Chiropractor in Naperville, IL

Active since May 23, 2005
3075 BOOK RD, STE 167, NAPERVILLE, IL 60564(630) 857-3542 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Oct 12, 2019 (2 updates tracked since 2019).

About Dr. William L. Buchar Iii D.c. NPPES

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

DR. WILLIAM L. BUCHAR III D.C. (NPI 1790788792) is an individual chiropractor in Naperville, Illinois, licensed in Illinois (038-010110) and active in the NPI registry since May 2005. He is a graduate of Logan College Of Chiropractic (2003).

NPPES Registry Identity

NPI1790788792
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. WILLIAM L. BUCHAR IIICredential: D.C.
Location Address3075 BOOK RD, STE 167Naperville, IL 60564-4721
Mailing Address3015 E New York St, Ste A12Aurora, IL 60504-5163 · (630) 820-1330
Phone(630) 857-3542
Sole ProprietorNo
Medical School CMSLogan College Of ChiropracticGraduated 2003
Enumeration DateMay 23, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1790788792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IL · 038-010110
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.
3075 BOOK RD, Naperville, IL 60564
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Other Identifiers 1

Other2232610IL · Blue Shield Provider #

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. William L. Buchar Iii 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 ID8729037775
PECOS Enrollment IDI20050117000246

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, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
933 services58 patients

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 William Buchar's NPI number?

The NPI number for William Buchar is 1790788792. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is William Buchar located?

William Buchar practices at 3075 Book Rd Ste 167, Naperville, IL 60564. The listed phone number is (630) 857-3542.

What is William Buchar's specialty?

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

Is William Buchar enrolled in Medicare?

Yes. William Buchar 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 William Buchar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.