DR. GRACE K SUH M.D.
NPI 1619033065
Internal Medicine - Hematology & Oncology in Arlington Heights, IL
About Dr. Grace K Suh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE K SUH M.D. (NPI 1619033065) is an individual hematology & oncology provider in Arlington Heights, Illinois, licensed in Illinois (036131482) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and is a graduate of Yale University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
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
Dr. Grace K Suh 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
3Medicare enrollment records show Grace Suh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 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 6
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.
Swedish Hospital
Acute Care Hospitals · Chicago, ILNorthwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILNorthwestern Medicine Kishwaukee Hospital
Acute Care Hospitals · Dekalb, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Grace Suh's NPI number?
The NPI number for Grace Suh is 1619033065. It was assigned to this individual provider in the NPPES registry on December 29, 2006.
Where is Grace Suh located?
Grace Suh practices at 3060 W Salt Creek Ln Ste 1100, Arlington Heights, IL 60005. The listed phone number is (224) 251-1800.
What is Grace Suh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Grace Suh enrolled in Medicare?
Yes. Grace Suh 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 Grace Suh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Suh reassigns Medicare benefits to 3 organizations: Endeavor Health Medical Group (Evanston, IL), Central Dupage Physician Group (Carol Stream, IL) and The University Of Chicago Medical Center (Chicago, 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 Grace Suh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Suh accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Grace Suh 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 Grace Suh affiliated with any hospitals?
According to CMS data, Grace Suh is affiliated with Swedish Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital, Northwest Community Hospital 1 and Northwestern Medicine Kishwaukee Hospital.
When was this NPI record last updated?
The NPPES record for Grace Suh was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.