DR. DAVID ALAN BAROUNIS M.D.
NPI 1497067409
Internal Medicine - Critical Care Medicine in Naperville, IL
About Dr. David Alan Barounis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID ALAN BAROUNIS M.D. (NPI 1497067409) is an individual critical care medicine provider in Naperville, Illinois, licensed in Illinois (036131444) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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. David Alan Barounis 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
2Medicare enrollment records show David Barounis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward Hospital
Acute Care Hospitals · Naperville, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60540 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.
NAPERVILLE, IL 60540
NAPERVILLE, IL 60540
NAPERVILLE, IL 60540
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 David Barounis's NPI number?
The NPI number for David Barounis is 1497067409. It was assigned to this individual provider in the NPPES registry on July 7, 2010.
Where is David Barounis located?
David Barounis practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 527-3000.
What is David Barounis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is David Barounis enrolled in Medicare?
Yes. David Barounis 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 David Barounis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Barounis reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL) and Endeavor Health Medical Group (Evanston, 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 David Barounis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Barounis affiliated with any hospitals?
According to CMS data, David Barounis is affiliated with Edward Hospital.
When was this NPI record last updated?
The NPPES record for David Barounis was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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. David Alan Barounis, M.D. · NPI 1497067409
Critical Care Medicine physician in Naperville, Illinois. Individual provider, active in the CMS NPPES registry since July 7, 2010.
## Identity
- **NPI:** 1497067409 (Entity type: Individual)
- **Enumerated:** July 7, 2010
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 036131444 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 801 S WASHINGTON ST, Naperville, IL 60540-7499
- **Phone:** (630) 527-3000 · **Fax:** (630) 527-7300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corporation (NPI 1285903849, Downers Grove, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2010
## Record status
- **NPPES last updated:** September 2, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1497067409) · Data from the CMS NPPES public registry.