SCOTT JOSEPH SIGLIN M.D.
NPI 1497060982
Internal Medicine in Chicago, IL
About Scott Joseph Siglin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SCOTT JOSEPH SIGLIN M.D. (NPI 1497060982) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.057935) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Scott Joseph Siglin 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 Reassignment
Medicare enrollment records show Scott Siglin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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 17
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.
Advocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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.
CHICAGO, IL 60637
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 Scott Siglin's NPI number?
The NPI number for Scott Siglin is 1497060982. It was assigned to this individual provider in the NPPES registry on August 10, 2010.
Where is Scott Siglin located?
Scott Siglin practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-6840.
What is Scott Siglin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Scott Siglin enrolled in Medicare?
Yes. Scott Siglin 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 Scott Siglin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Scott Siglin reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, 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 Scott Siglin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Scott Siglin accept?
Health plans from Oscar Health list Scott Siglin 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 Scott Siglin affiliated with any hospitals?
According to CMS data, Scott Siglin is affiliated with Advocate Illinois Masonic Medical Center, Advocate Lutheran General Hospital and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Scott Siglin was last updated on December 20, 2021. 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.