DR. JASON NATHANIEL MACKLIS M.D.
NPI 1003136458
Internal Medicine - Hematology & Oncology in Park Ridge, IL
About Dr. Jason Nathaniel Macklis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JASON NATHANIEL MACKLIS M.D. (NPI 1003136458) is an individual hematology & oncology provider in Park Ridge, Illinois, licensed in Illinois (036133462) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Rush Medical College Of Rush University (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jason Nathaniel Macklis 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.
Areas of Expertise CMS Part B claims 10
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Sherman Hospital
Acute Care Hospitals · Elgin, ILAdvocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Condell Medical Center
Acute Care Hospitals · Libertyville, 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 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
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
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
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 Jason Macklis's NPI number?
The NPI number for Jason Macklis is 1003136458. It was assigned to this individual provider in the NPPES registry on June 8, 2010.
Where is Jason Macklis located?
Jason Macklis practices at 1700 Luther Ln Ste 2200, Park Ridge, IL 60068. The listed phone number is (847) 268-8577.
What is Jason Macklis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Jason Macklis enrolled in Medicare?
Yes. Jason Macklis 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.
What insurance does Jason Macklis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Jason Macklis 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 Jason Macklis affiliated with any hospitals?
According to CMS data, Jason Macklis is affiliated with Advocate Sherman Hospital, Advocate Illinois Masonic Medical Center, Advocate Condell Medical Center, Advocate Lutheran General Hospital and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Jason Macklis was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.