JOHN J LOPEZ MD
NPI 1669534111
Internal Medicine - Interventional Cardiology in Burr Ridge, IL
About John J Lopez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J LOPEZ MD (NPI 1669534111) is an individual interventional cardiology provider in Burr Ridge, Illinois, licensed in Illinois (036105320) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (1989).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
John J Lopez Md 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 Reassignment
Medicare enrollment records show John Lopez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 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.
Areas of Expertise CMS Part B claims 20
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILMacneal Hospital
Acute Care Hospitals · Berwyn, ILLoyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician 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.
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.
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
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 John Lopez's NPI number?
The NPI number for John Lopez is 1669534111. It was assigned to this individual provider in the NPPES registry on December 14, 2006.
Where is John Lopez located?
John Lopez practices at 180 Harvester Dr Ste 110, Burr Ridge, IL 60527. The listed phone number is (773) 834-4064.
What is John Lopez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is John Lopez enrolled in Medicare?
Yes. John Lopez 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 organization bills Medicare for John Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Lopez reassigns Medicare benefits to Loyola University Medical Center (Maywood, 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 John Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Lopez accept?
Health plans from Oscar Health list John Lopez 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.
Is John Lopez affiliated with any hospitals?
According to CMS data, John Lopez is affiliated with Loyola Gottlieb Memorial Hospital, Macneal Hospital and Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for John Lopez was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.