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DR. GARY A. CASACCIO M.D.
NPI 1063593721
Psychiatry & Neurology - Psychiatry in Wheaton, IL

Active since October 18, 2006PECOS EnrolledAccepts Medicare Assignment
2100 MANCHESTER RD, SUITE 1510, WHEATON, IL 60187(630) 653-1717(630) 653-9691 Get Directions Write a Review

NPPES record last updated: August 18, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Gary A. Casaccio M.d. NPPES

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

DR. GARY A. CASACCIO M.D. (NPI 1063593721) is an individual psychiatry provider in Wheaton, Illinois, licensed in Illinois (036-089544) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1063593721
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GARY A. CASACCIOCredential: M.D.
Location Address2100 MANCHESTER RD, SUITE 1510Wheaton, IL 60187-4579
Mailing Address2100 Manchester Rd, Suite 1510Wheaton, IL 60187-4579 · (630) 653-1717 · Fax (630) 653-9691
Phone(630) 653-1717
Fax(630) 653-9691
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateOctober 18, 2006
Last NPPES UpdateAugust 18, 2011
✔ NPI 1063593721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IL · 036-089544
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2100 MANCHESTER RD, Wheaton, IL 60187
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gary A. Casaccio M.d. 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 ID7618163114
PECOS Enrollment IDI20101123000703
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Gary Casaccio reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Meier Clinics Of Illinois, P.C.
Same address
Clinical
2100 MANCHESTER RD, SUITE 1510
Wheaton, IL 60187
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Meier Clinics Of Illinois PC
  • 12 clinicians in this Medicare group
NPI 1770523847 (630) 653-1717
Alliance Clinical Associates Sc
2.7 mi
Psychiatry
7 BLANCHARD CIR, SUITE 201
Wheaton, IL 60189
  • Reassigned Medicare billing, Illinois enrollment
  • 20 clinicians in this Medicare group
NPI 1144299769 (630) 653-2300

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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
81 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60187 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

CODUTO COUNSELING GROUP, P.C.
Counselor (Professional)
2100 MANCHESTER RD, BLDG C STE 1618
WHEATON, IL 60187
Dupage County (630) 923-5800
MEIER CLINICS OF ILLINOIS, P.C.
Counselor (Mental Health)
2100 MANCHESTER RD, SUITE 1510
WHEATON, IL 60187
Dupage County (630) 653-1717
MS. BARBARA M HAYES LCSW ACSW
Social Worker (Clinical)
2100 MANCHESTER RD, SUITE 975
WHEATON, IL 60187
Dupage County (630) 668-5700
CHRISTINE DAVIS LCPC
Counselor (Professional)
2100 MANCHESTER RD, SUITE 1510
WHEATON, IL 60187
Dupage County (630) 653-1717
MEIER CLINICS OF ILLINOIS, P.C.
Social Worker (Clinical)
2100 MANCHESTER RD, SUITE 1510
WHEATON, IL 60187
Dupage County (630) 653-1717
KATHY MCNULTY, LCSW, LLC
Community/Behavioral Health
2100 MANCHESTER RD, SUITE 400
WHEATON, IL 60187
Dupage County (630) 664-6036
JING WANG
Psychologist
2100 MANCHESTER RD
WHEATON, IL 60187
Dupage County (630) 653-1717
MRS. MARI HELEN SKURA MA
Counselor (Professional)
2100 MANCHESTER RD, SUITE 1070
WHEATON, IL 60187
Dupage County (630) 890-9270

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 Gary Casaccio's NPI number?

The NPI number for Gary Casaccio is 1063593721. It was assigned to this individual provider in the NPPES registry on October 18, 2006.

Where is Gary Casaccio located?

Gary Casaccio practices at 2100 Manchester Rd Suite 1510, Wheaton, IL 60187. The listed phone number is (630) 653-1717.

What is Gary Casaccio's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gary Casaccio enrolled in Medicare?

Yes. Gary Casaccio 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.

Which organizations bill Medicare for Gary Casaccio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Casaccio reassigns Medicare benefits to 2 organizations: Meier Clinics Of Illinois, P.C. (Wheaton, IL) and Alliance Clinical Associates Sc (Wheaton, IL). Each 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 Gary Casaccio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gary Casaccio was last updated on August 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.