DOIS CHARLES OGAN DO
NPI 1821583964
Family Medicine in Carbondale, IL
About Dois Charles Ogan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOIS CHARLES OGAN DO (NPI 1821583964) is an individual family medicine provider in Carbondale, Illinois, licensed in Illinois (036.156087) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and maintains a secondary practice location in West Frankfort.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dois Charles Ogan Do 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 Dois Ogan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carbondale, IL 62901
- Reassigned Medicare billing, Illinois enrollment
- 27 clinicians in this Medicare group
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 262 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 4
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.
Herrin Hospital
Acute Care Hospitals · Herrin, ILMemorial Hospital Of Carbondale
Acute Care Hospitals · Carbondale, ILHeartland Regional Medical Center
Acute Care Hospitals · Marion, ILFranklin Hospital
Critical Access Hospitals · Benton, ILSt Joseph Memorial Hospital
Critical Access Hospitals · Murphysboro, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 11
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 Dois Ogan's NPI number?
The NPI number for Dois Ogan is 1821583964. It was assigned to this individual provider in the NPPES registry on June 29, 2018.
Where is Dois Ogan located?
Dois Ogan practices at 300 W Oak St Ste 200, Carbondale, IL 62901. The listed phone number is (618) 536-6621.
What is Dois Ogan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dois Ogan enrolled in Medicare?
Yes. Dois Ogan 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 Dois Ogan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dois Ogan reassigns Medicare benefits to 2 organizations: Southern Illinois Hospital Services (Carbondale, IL) and Board Of Trustees Of Southern Illinois University (Springfield, 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 Dois Ogan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dois Ogan accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Dois Ogan 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 Dois Ogan affiliated with any hospitals?
According to CMS data, Dois Ogan is affiliated with Herrin Hospital, Memorial Hospital Of Carbondale, Heartland Regional Medical Center, Franklin Hospital and St Joseph Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Dois Ogan was last updated on July 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dois Charles Ogan, DO · NPI 1821583964
Family Medicine physician in Carbondale, Illinois. Individual provider, active in the CMS NPPES registry since June 29, 2018.
## Identity
- **NPI:** 1821583964 (Entity type: Individual)
- **Enumerated:** June 29, 2018
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.156087 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 W OAK ST STE 200, Carbondale, IL 62901-1400
- **Phone:** (618) 536-6621 · **Fax:** (618) 453-1102
## 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): Southern Illinois Hospital Services (NPI 1093801797, Carbondale, IL); Board Of Trustees Of Southern Illinois University (NPI 1396097960, Springfield, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** At Still University Of Health Sciences, College Of Osteo Med, Kirksville, class of 2018
## Record status
- **NPPES last updated:** July 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1821583964) · Data from the CMS NPPES public registry.