DR. ROBERT MITCHELL ERMENTROUT M.D.
NPI 1124345376
Radiology - Vascular & Interventional Radiology in Athens, GA
About Dr. Robert Mitchell Ermentrout M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT MITCHELL ERMENTROUT M.D. (NPI 1124345376) is an individual vascular & interventional radiology provider in Athens, Georgia, licensed in Georgia (74032) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with St Mary's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Robert Mitchell Ermentrout 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
9Medicare enrollment records show Robert Ermentrout reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Athens, GA 30606
- Reassigned Medicare billing, Georgia enrollment
- 37 clinicians in this Medicare group
Athens, GA 30607
- Reassigned Medicare billing, Georgia enrollment
- 42 clinicians in this Medicare group
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 191 clinicians in this Medicare group
Conyers, GA 30012
- Reassigned Medicare billing, Georgia enrollment
- 207 clinicians in this Medicare group
Johns Creek, GA 30024
- Reassigned Medicare billing, Georgia enrollment
- 202 clinicians in this Medicare group
Novi, MI 48375
- Reassigned Medicare billing, Michigan enrollment
- 2 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Georgia and Michigan enrollments
- 2 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 296 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, Georgia enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary's Hospital
Acute Care Hospitals · Athens, GATy Cobb Regional Medical Center, LLC
Acute Care Hospitals · Lavonia, GAPiedmont Walton Hospital
Acute Care Hospitals · Monroe, GAPiedmont Athens Regional Medical Center
Acute Care Hospitals · Athens, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30606 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.
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 Robert Ermentrout's NPI number?
The NPI number for Robert Ermentrout is 1124345376. It was assigned to this individual provider in the NPPES registry on April 28, 2010.
Where is Robert Ermentrout located?
Robert Ermentrout practices at 1199 Prince Ave, Athens, GA 30606. The listed phone number is (706) 850-6186.
What is Robert Ermentrout's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Robert Ermentrout enrolled in Medicare?
Yes. Robert Ermentrout 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 Robert Ermentrout's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Ermentrout reassigns Medicare benefits to 9 organizations: Radiology Associates Of North Georgia (Athens, GA), Athens Radiology Associates PC (Athens, GA), M & B Imaging, PC (Gainesville, GA), Synergy Radiology, LLC (Conyers, GA), Pro Radiology, LLC (Johns Creek, GA) and 4 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 Robert Ermentrout's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Ermentrout accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Blue Care Network of Michigan and 4 other insurers list Robert Ermentrout 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 Robert Ermentrout affiliated with any hospitals?
According to CMS data, Robert Ermentrout is affiliated with St Mary's Hospital, Ty Cobb Regional Medical Center, LLC, Piedmont Walton Hospital and Piedmont Athens Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Ermentrout was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Robert Mitchell Ermentrout, M.D. · NPI 1124345376
Vascular & Interventional Radiology physician in Athens, Georgia. Individual provider, active in the CMS NPPES registry since April 28, 2010.
## Identity
- **NPI:** 1124345376 (Entity type: Individual)
- **Enumerated:** April 28, 2010
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 74032 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1199 PRINCE AVE, Athens, GA 30606-2797
- **Phone:** (706) 850-6186
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Radiology Associates Of North Georgia (NPI 1285124834, Athens, GA); Athens Radiology Associates PC (NPI 1932189685, Athens, GA); M & B Imaging, PC (NPI 1932624723, Gainesville, GA); Synergy Radiology, LLC (NPI 1558886341, Conyers, GA); Pro Radiology, LLC (NPI 1942733308, Johns Creek, GA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** January 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124345376) · Data from the CMS NPPES public registry.