DR. DEXTER EDWIN ARRINGTON M.D.
NPI 1861475121
Obstetrics & Gynecology in Olympia Fields, IL
About Dr. Dexter Edwin Arrington M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEXTER EDWIN ARRINGTON M.D. (NPI 1861475121) is an individual obstetrics & gynecology provider in Olympia Fields, Illinois, licensed in Illinois (036089123) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Olympia & Chicago Heights, and maintains a secondary practice location in Olympia Fields.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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. Dexter Edwin Arrington 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
5Medicare enrollment records show Dexter Arrington reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frankfort, IL 60423
- Reassigned Medicare billing, Illinois enrollment
- 148 clinicians in this Medicare group
Monee, IL 60449
- Reassigned Medicare billing, Illinois enrollment
- 34 clinicians in this Medicare group
St John, IN 46373
- Reassigned Medicare billing, Indiana enrollment
- 607 clinicians in this Medicare group
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Franciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60461 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.
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
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 Dexter Arrington's NPI number?
The NPI number for Dexter Arrington is 1861475121. It was assigned to this individual provider in the NPPES registry on November 21, 2005.
Where is Dexter Arrington located?
Dexter Arrington practices at 3700 W 203rd St Ste 110, Olympia Fields, IL 60461. The listed phone number is (708) 679-1890.
What is Dexter Arrington's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Dexter Arrington enrolled in Medicare?
Yes. Dexter Arrington 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 Dexter Arrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dexter Arrington reassigns Medicare benefits to 5 organizations: Specialty Physicians Of Illinois, LLC (Frankfort, IL), Will County Community Health Center (Monee, IL), Community Care Network Inc (St John, IN), Advocate Health And Hospitals Corporation (Oak Lawn, IL) and Dupage Medical Group Ltd (Downers Grove, 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 Dexter Arrington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dexter Arrington affiliated with any hospitals?
According to CMS data, Dexter Arrington is affiliated with Franciscan Health Olympia & Chicago Heights.
When was this NPI record last updated?
The NPPES record for Dexter Arrington was last updated on August 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.