ABDALLA OUN M D
NPI 1992089619
Hospitalist in Rolla, MO
About Abdalla Oun M D NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABDALLA OUN M D (NPI 1992089619) is an individual hospitalist provider in Rolla, Missouri, licensed in Missouri (2014034796) and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS, is affiliated with Phelps County Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Abdalla Oun 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
6Medicare enrollment records show Abdalla Oun reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rolla, MO 65401
- Reassigned Medicare billing, Missouri enrollment
- 195 clinicians in this Medicare group
Rolla, MO 65401
- Reassigned Medicare billing, Missouri enrollment
- 145 clinicians in this Medicare group
Sullivan, MO 63080
- Reassigned Medicare billing, Missouri enrollment
- 76 clinicians in this Medicare group
Jefferson City, MO 65101
- Reassigned Medicare billing, Missouri enrollment
- 93 clinicians in this Medicare group
Columbia, MO 65201
- Reassigned Medicare billing, Missouri enrollment
- 302 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Phelps County Regional Medical Center
Acute Care Hospitals · Rolla, MOTexas County Memorial Hospital
Acute Care Hospitals · Houston, MOBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOSalem Memorial District Hospital
Critical Access Hospitals · Salem, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65401 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 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROLLA, MO 65401
ROLLA, MO 65401
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 Abdalla Oun's NPI number?
The NPI number for Abdalla Oun is 1992089619. It was assigned to this individual provider in the NPPES registry on September 29, 2011.
Where is Abdalla Oun located?
Abdalla Oun practices at 1000 W 10th St, Rolla, MO 65401. The listed phone number is (573) 458-8899.
What is Abdalla Oun's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Abdalla Oun enrolled in Medicare?
Yes. Abdalla Oun 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 Abdalla Oun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abdalla Oun reassigns Medicare benefits to 6 organizations: Phelps County Regional Medical Center (Rolla, MO), Pcrmc Medical Group, Inc (Rolla, MO), Missouri Baptist Hospital Of Sullivan (Sullivan, MO), Cole Physician Services LLC (Jefferson City, MO), Boone Physician Services, LLC (Columbia, MO) and 1 more organization, 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 Abdalla Oun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abdalla Oun accept?
Health plans from Anthem Blue Cross and Blue Shield list Abdalla Oun 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 Abdalla Oun affiliated with any hospitals?
According to CMS data, Abdalla Oun is affiliated with Phelps County Regional Medical Center, Texas County Memorial Hospital, Barnes Jewish Hospital and Salem Memorial District Hospital.
When was this NPI record last updated?
The NPPES record for Abdalla Oun was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.