DR. STEPHEN T PHILLIPS MD
NPI 1750647939
Internal Medicine - Cardiovascular Disease in Oak Lawn, IL
About Dr. Stephen T Phillips Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN T PHILLIPS MD (NPI 1750647939) is an individual cardiovascular disease provider in Oak Lawn, Illinois, licensed in Illinois (036.137643) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
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. Stephen T Phillips 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 Reassignments
2Medicare enrollment records show Stephen Phillips reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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 28
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Trinity Hospital
Acute Care Hospitals · Chicago, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 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.
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
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 Stephen Phillips's NPI number?
The NPI number for Stephen Phillips is 1750647939. It was assigned to this individual provider in the NPPES registry on April 2, 2012.
Where is Stephen Phillips located?
Stephen Phillips practices at 10837 S Cicero Ave Ste 200, Oak Lawn, IL 60453. The listed phone number is (708) 636-7575.
What is Stephen Phillips's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Stephen Phillips enrolled in Medicare?
Yes. Stephen Phillips 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 Stephen Phillips's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Phillips reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Oak Lawn, IL) and Endeavor Health Medical Group (Evanston, 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 Stephen Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Phillips affiliated with any hospitals?
According to CMS data, Stephen Phillips is affiliated with Advocate Trinity Hospital and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Phillips was last updated on July 7, 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.