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DR. WILLIAM GERARD O'BRIEN D.C.
NPI 1235217795
Chiropractor in Glendale Heights, IL

Active since November 01, 2006Accepts Medicare Assignment
320 E ARMY TRAIL RD, GLENDALE HEIGHTS, IL 60139(630) 529-6111(630) 529-6192 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Gerard O'brien D.c. NPPES

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

DR. WILLIAM GERARD O'BRIEN D.C. (NPI 1235217795) is an individual chiropractor in Glendale Heights, Illinois and active in the NPI registry since November 2006. He is a graduate of Other (2003).

NPPES Registry Identity

NPI1235217795
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. WILLIAM GERARD O'BRIENCredential: D.C.
Location Address320 E ARMY TRAIL RDGlendale Heights, IL 60139-1757
Mailing Address309 Bishop CtBartlett, IL 60103-2983 · (630) 246-2792
Phone(630) 529-6111
Fax(630) 529-6192
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateNovember 1, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1235217795 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.
320 E ARMY TRAIL RD, Glendale Heights, IL 60139
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Other Identifiers 1

Medicare ID-Type Unspecified206237IL

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Gerard O'brien 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 ID8820188758
PECOS Enrollment IDI20071217000095

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.
1,060 services76 patients

Other Providers at the Same Location NPPES 5

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

DR. JOHN DAVID TURNER D.C.
Chiropractor (Sports Physician)
320 E ARMY TRAIL RD
GLENDALE HEIGHTS, IL 60139
Dupage County (630) 529-6111
RENEWED BALANCE COUNSELING PC
Clinic/Center (Mental Health (Including Community Mental Health Center))
320 E ARMY TRAIL RD
GLENDALE HEIGHTS, IL 60139
Dupage County (630) 209-7253
MRS. LINDSAY T SCHORI
Counselor (Professional)
320 E ARMY TRAIL RD
GLENDALE HEIGHTS, IL 60139
Dupage County (630) 209-7253
RENEWED BALANCE HEALTH & WELLNESS CENTER, S.C.
Clinic/Center (Primary Care)
320 E ARMY TRAIL RD
GLENDALE HEIGHTS, IL 60139
Dupage County (630) 529-6111
DR. JOHN W. SCHORI III DC
Chiropractor
320 E ARMY TRAIL RD
GLENDALE HEIGHTS, IL 60139
Dupage County (630) 529-6111

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 O'brien's NPI number?

The NPI number for William O'brien is 1235217795. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is William O'brien located?

William O'brien practices at 320 E Army Trail Rd, Glendale Heights, IL 60139. The listed phone number is (630) 529-6111.

What is William O'brien's specialty?

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

Is William O'brien enrolled in Medicare?

Yes. William O'brien 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.

What insurance does William O'brien accept?

Health plans from Providence Health Plan list William O'brien 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 William O'brien was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.