DR. RONALD E SAM D.O.
NPI 1073537643
Internal Medicine in Oak Lawn, IL
About Dr. Ronald E Sam D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONALD E SAM D.O. (NPI 1073537643) is an individual internal medicine provider in Oak Lawn, Illinois, licensed in Illinois (336055662) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Osf Little Company Of Mary Medical Center, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Ronald E Sam D.o. 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
8Medicare enrollment records show Ronald Sam reassigns Medicare billing to 8 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: Donte' Medical S C
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 3 clinicians in this Medicare group
Buffalo Grove, IL 60089
- Reassigned Medicare billing, Illinois enrollment
- 38 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Illinois enrollment
- 419 clinicians in this Medicare group
Chester, IL 62233
- Reassigned Medicare billing, Illinois enrollment
- 62 clinicians in this Medicare group
Lakeland, FL 33805
- Reassigned Medicare billing, Florida enrollment
- 740 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Osf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
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 4
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 Sam's NPI number?
The NPI number for Ronald Sam is 1073537643. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Ronald Sam located?
Ronald Sam practices at 9900 Southwest Hwy, Oak Lawn, IL 60453. The listed phone number is (708) 422-7758.
What is Ronald Sam's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ronald Sam enrolled in Medicare?
Yes. Ronald Sam 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 Ronald Sam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Sam reassigns Medicare benefits to 8 organizations: Donte Medical Corporation (Oak Lawn, IL), Home Health Medical LLC (Oak Lawn, IL), Quality Healthcare International PLLC (Oak Lawn, IL), 4D Healthware, LLC (Chicago, IL), Lake County Acute Care, LLP (Buffalo Grove, IL) and 3 more organizations, listed in the Medicare section above. 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 Ronald Sam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ronald Sam accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Ronald Sam 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 Ronald Sam affiliated with any hospitals?
According to CMS data, Ronald Sam is affiliated with Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Ronald Sam was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.