DR. DENNIS W AUST MD
NPI 1306881875
Emergency Medicine in Grenada, MS
About Dr. Dennis W Aust Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DENNIS W AUST MD (NPI 1306881875) is an individual emergency medicine provider in Grenada, Mississippi, licensed in Mississippi (10755) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Tishomingo Health Services Inc, and is a graduate of University Of Mississippi School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Dennis W Aust 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 Reassignments
6Medicare enrollment records show Dennis Aust reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Point, MS 39773
- Reassigned Medicare billing, Mississippi enrollment
- 103 clinicians in this Medicare group
Aberdeen, MS 39730
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1285164046 (Mississippi)
- 168 clinicians in this Medicare group
Sebastopol, MS 39359
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1306909734 (Mississippi)
- 94 clinicians in this Medicare group
Booneville, MS 38829
- Reassigned Medicare billing, Mississippi enrollment
- 95 clinicians in this Medicare group
Hazlehurst, MS 39083
- Reassigned Medicare billing, Mississippi enrollment
- 88 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Mississippi enrollment
- 116 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tishomingo Health Services Inc
Acute Care Hospitals · Iuka, MSTyler Holmes Memorial Hospital Cah
Critical Access Hospitals · Winona, MSCopiah County Medical Center
Critical Access Hospitals · Hazlehurst, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38901 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.
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.
GRENADA, MS 38901
GRENADA, MS 38901
GRENADA, MS 38901
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 Dennis Aust's NPI number?
The NPI number for Dennis Aust is 1306881875. It was assigned to this individual provider in the NPPES registry on June 18, 2006.
Where is Dennis Aust located?
Dennis Aust practices at 960 Avent Dr, Grenada, MS 38901. The listed phone number is (800) 424-3672.
What is Dennis Aust's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Dennis Aust enrolled in Medicare?
Yes. Dennis Aust 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 Dennis Aust's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Aust reassigns Medicare benefits to 6 organizations: Relias Emergency Medicine Specialists Of West Point, LLC (West Point, MS), Boa Vida Hospital Of Aberdeen, Ms LLC (Aberdeen, MS), Independent Healthcare Management, Inc. (Sebastopol, MS), United Emergency Services, Inc. (Booneville, MS), Copiah County Medical Center (Hazlehurst, MS) 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 Dennis Aust's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dennis Aust accept?
Health plans from Blue Cross and Blue Shield of Alabama and Cigna Healthcare list Dennis Aust 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 Dennis Aust affiliated with any hospitals?
According to CMS data, Dennis Aust is affiliated with Tishomingo Health Services Inc, Tyler Holmes Memorial Hospital Cah and Copiah County Medical Center.
When was this NPI record last updated?
The NPPES record for Dennis Aust was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Dennis W Aust, MD · NPI 1306881875
Emergency Medicine physician in Grenada, Mississippi. Individual provider, active in the CMS NPPES registry since June 18, 2006.
## Identity
- **NPI:** 1306881875 (Entity type: Individual)
- **Enumerated:** June 18, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 10755 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 960 AVENT DR, Grenada, MS 38901-5230
- **Phone:** (800) 424-3672 · **Fax:** (954) 377-3042
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Relias Emergency Medicine Specialists Of West Point, LLC (NPI 1275172736, West Point, MS); Boa Vida Hospital Of Aberdeen, Ms LLC (NPI 1467115279, Aberdeen, MS); Independent Healthcare Management, Inc. (NPI 1760778609, Sebastopol, MS); United Emergency Services, Inc. (NPI 1326007915, Booneville, MS); Copiah County Medical Center (NPI 1083039663, Hazlehurst, MS); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 00016780 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1306881875) · Data from the CMS NPPES public registry.