DR. RONALD L BERGER D.C.
NPI 1902040595
Chiropractor in Oak Forest, IL
About Dr. Ronald L Berger D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONALD L BERGER D.C. (NPI 1902040595) is an individual chiropractor in Oak Forest, Illinois, licensed in Illinois (038011387) and active in the NPI registry since April 2009. He is a graduate of Palmer College Chiropractic - Davenport (2009).
NPPES Registry Identity
Specialties & Licenses
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. Ronald L Berger D.c. 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 Reassignment
Medicare enrollment records show Ronald Berger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Forest, IL 60452
- Reassigned Medicare billing, Illinois enrollment
- 3 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
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.
Other Providers at the Same Location NPPES 2
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 Ronald Berger's NPI number?
The NPI number for Ronald Berger is 1902040595. It was assigned to this individual provider in the NPPES registry on April 27, 2009.
Where is Ronald Berger located?
Ronald Berger practices at 5424 159th St, Oak Forest, IL 60452. The listed phone number is (708) 577-5003.
What is Ronald Berger's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Ronald Berger enrolled in Medicare?
Yes. Ronald Berger 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 organization bills Medicare for Ronald Berger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Berger reassigns Medicare benefits to Chiro One Wellness Center Of Oak Forest LLC (Oak Forest, 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 Ronald Berger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ronald Berger was last updated on February 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Ronald L Berger, D.C. · NPI 1902040595
Chiropractor provider in Oak Forest, Illinois. Individual provider, active in the CMS NPPES registry since April 27, 2009.
## Identity
- **NPI:** 1902040595 (Entity type: Individual)
- **Enumerated:** April 27, 2009
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 038011387 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5424 159TH ST, Oak Forest, IL 60452-3248
- **Phone:** (708) 577-5003
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Chiro One Wellness Center Of Oak Forest LLC (NPI 1649599291, Oak Forest, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2009
## Record status
- **NPPES last updated:** February 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902040595) · Data from the CMS NPPES public registry.