DR. KIRSTEN SORUM D.O.
NPI 1477818912
Pediatrics in Oak Lawn, IL
About Dr. Kirsten Sorum D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KIRSTEN SORUM D.O. (NPI 1477818912) is an individual pediatrics provider in Oak Lawn, Illinois, licensed in Illinois (036.132407) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 (PECOS)
Dr. Kirsten Sorum D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Kirsten Sorum reassigns Medicare billing to 4 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
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 86 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 211 clinicians in this Medicare group
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.
Physician 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
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 Kirsten Sorum's NPI number?
The NPI number for Kirsten Sorum is 1477818912. It was assigned to this individual provider in the NPPES registry on July 11, 2012.
Where is Kirsten Sorum located?
Kirsten Sorum practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5722.
What is Kirsten Sorum's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kirsten Sorum enrolled in Medicare?
Yes. Kirsten Sorum is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kirsten Sorum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirsten Sorum reassigns Medicare benefits to 4 organizations: Advocate Health & Hospitals Corporation (Oak Lawn, IL), Gottlieb Community Health Services Corporation (Berwyn, IL), Loyola Medical Group LLC (Berwyn, IL) and Loyola University Medical Center (Maywood, 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 Kirsten Sorum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kirsten Sorum accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Kirsten Sorum 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.
When was this NPI record last updated?
The NPPES record for Kirsten Sorum was last updated on September 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Kirsten Sorum, D.O. · NPI 1477818912
Pediatrics physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since July 11, 2012.
## Identity
- **NPI:** 1477818912 (Entity type: Individual)
- **Enumerated:** July 11, 2012
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 036.132407 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4440 W 95TH ST, Oak Lawn, IL 60453-2600
- **Phone:** (708) 684-5722
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL); Gottlieb Community Health Services Corporation (NPI 1013415603, Berwyn, IL); Loyola Medical Group LLC (NPI 1376041954, Berwyn, IL); Loyola University Medical Center (NPI 1336159961, Maywood, IL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1477818912) · Data from the CMS NPPES public registry.