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HOMER DIADULA M.D.
NPI 1134105232
Internal Medicine in Burr Ridge, IL

Active since December 20, 2005PECOS Enrolled
157 TOMLIN CIR, BURR RIDGE, IL 60527(773) 237-3354(630) 850-7306 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 13, 2026, Sep 29, 2015 (2 updates tracked since 2015).

About Homer Diadula M.d. NPPES

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

HOMER DIADULA M.D. (NPI 1134105232) is an individual internal medicine provider in Burr Ridge, Illinois, licensed in Illinois (036082531) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1134105232
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameHOMER DIADULACredential: M.D.
Location Address157 TOMLIN CIRBurr Ridge, IL 60527-4886
Mailing Address157 Tomlin CirBurr Ridge, IL 60527-4886 · (773) 237-3354 · Fax (630) 850-7306
Phone(773) 237-3354
Fax(630) 850-7306
Sole ProprietorNo
Enumeration DateDecember 20, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1134105232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036082531
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
157 TOMLIN CIR, Burr Ridge, IL 60527
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Other Identifiers 2

Other01621679IL · Bcbs Of Il
Medicaid036082531IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Homer Diadula M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

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

Excellent Medical Associates, P.C.
11 mi
General Practice
14489 JOHN HUMPHREY DR, SUITE 1-NA
Orland Park, IL 60462
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Excellent Medical Associates PC
  • 24 clinicians in this Medicare group
NPI 1215223623 (708) 364-1205

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60527 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Homer Diadula's NPI number?

The NPI number for Homer Diadula is 1134105232. It was assigned to this individual provider in the NPPES registry on December 20, 2005.

Where is Homer Diadula located?

Homer Diadula practices at 157 Tomlin Cir, Burr Ridge, IL 60527. The listed phone number is (773) 237-3354.

What is Homer Diadula's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Homer Diadula enrolled in Medicare?

Yes. Homer Diadula is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Homer Diadula's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Homer Diadula reassigns Medicare benefits to Excellent Medical Associates, P.C. (Orland Park, 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 Homer Diadula'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 Homer Diadula 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 3 months 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.