NILS A EASTBURG
NPI 1023691300
Family Medicine in Chicago, IL
About Nils A Eastburg NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NILS A EASTBURG (NPI 1023691300) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (125082277) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (2023).
NPPES Registry Identity
Specialties & Licenses 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 (PECOS)
Nils A Eastburg is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Nils Eastburg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 147 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 60623 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.
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 Nils Eastburg's NPI number?
The NPI number for Nils Eastburg is 1023691300. It was assigned to this individual provider in the NPPES registry on May 4, 2021.
Where is Nils Eastburg located?
Nils Eastburg practices at 3860 W Ogden Ave, Chicago, IL 60623. The listed phone number is (872) 588-3000.
What is Nils Eastburg's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Nils Eastburg enrolled in Medicare?
Yes. Nils Eastburg is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Nils Eastburg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nils Eastburg reassigns Medicare benefits to Lawndale Christian Health Center (Chicago, 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 Nils Eastburg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nils Eastburg accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Nils Eastburg 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 Nils Eastburg was last updated on July 1, 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.
# Nils A Eastburg · NPI 1023691300
Family Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since May 4, 2021.
## Identity
- **NPI:** 1023691300 (Entity type: Individual)
- **Enumerated:** May 4, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 125082277 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3860 W OGDEN AVE, Chicago, IL 60623-2460
- **Phone:** (872) 588-3000
## 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:** Lawndale Christian Health Center (NPI 1245289214, Chicago, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2023
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023691300) · Data from the CMS NPPES public registry.