CHARLES BERKELHAMMER MD
NPI 1457359697
Specialist in Oak Lawn, IL
About Charles Berkelhammer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES BERKELHAMMER MD (NPI 1457359697) is an individual specialist in Oak Lawn, Illinois, licensed in Illinois (036-068946) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Other (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
Charles Berkelhammer Md 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 Charles Berkelhammer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Libertyville, IL 60048
- Reassigned Medicare billing, Illinois enrollment
- 74 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 20
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.
Palos Community Hospital
Acute Care Hospitals · Palos Heights, ILOsf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILSilver Cross Hospital And Medical Centers
Acute Care Hospitals · New Lenox, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILReferred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 19
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 Charles Berkelhammer's NPI number?
The NPI number for Charles Berkelhammer is 1457359697. It was assigned to this individual provider in the NPPES registry on July 12, 2005.
Where is Charles Berkelhammer located?
Charles Berkelhammer practices at 9921 Southwest Hwy, Oak Lawn, IL 60453. The listed phone number is (708) 499-5678.
What is Charles Berkelhammer's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Charles Berkelhammer enrolled in Medicare?
Yes. Charles Berkelhammer 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 Charles Berkelhammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Berkelhammer reassigns Medicare benefits to Gi Partners Of Illinois, PLLC (Libertyville, 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 Charles Berkelhammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Berkelhammer accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Charles Berkelhammer 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 Charles Berkelhammer affiliated with any hospitals?
According to CMS data, Charles Berkelhammer is affiliated with Palos Community Hospital, Osf Little Company Of Mary Medical Center, Advocate Christ Hospital & Medical Center, Silver Cross Hospital And Medical Centers and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Charles Berkelhammer was last updated on January 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.