EDWARD CLARE DIAZ M.D.
NPI 1922274620
Urology in Park Ridge, IL
About Edward Clare Diaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EDWARD CLARE DIAZ M.D. (NPI 1922274620) is an individual urology provider in Park Ridge, Illinois, licensed in Illinois (036131931) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
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
Edward Clare Diaz 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.
Medicare Billing Reassignments
2Medicare enrollment records show Edward Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
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 60068 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
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 Edward Diaz's NPI number?
The NPI number for Edward Diaz is 1922274620. It was assigned to this individual provider in the NPPES registry on May 2, 2008.
Where is Edward Diaz located?
Edward Diaz practices at 1675 Dempster St Fl 3, Park Ridge, IL 60068. The listed phone number is (847) 297-8700.
What is Edward Diaz's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Edward Diaz enrolled in Medicare?
Yes. Edward Diaz 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 Edward Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Edward Diaz reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Chla Teaching Clinics LLC (CA). 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 Edward Diaz'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 Edward Diaz was last updated on July 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Edward Clare Diaz, M.D. · NPI 1922274620
Urology physician in Park Ridge, Illinois. Individual provider, active in the CMS NPPES registry since May 2, 2008.
## Identity
- **NPI:** 1922274620 (Entity type: Individual)
- **Enumerated:** May 2, 2008
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 036131931 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1675 DEMPSTER ST FL 3, Park Ridge, IL 60068-1110
- **Phone:** (847) 297-8700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Chla Teaching Clinics LLC (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** July 29, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1922274620) · Data from the CMS NPPES public registry.