ALEXANDER THOMAS AQUINAS GRAVES MD
NPI 1053931832
Radiology - Diagnostic Radiology in Madison, WI
About Alexander Thomas Aquinas Graves Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER THOMAS AQUINAS GRAVES MD (NPI 1053931832) is an individual diagnostic radiology provider in Madison, Wisconsin, licensed in Wisconsin (77252-20) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Avera Holy Family Hospital, and is a graduate of Other.
NPPES Registry Identity
Specialties & Licenses
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
Alexander Thomas Aquinas Graves 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
5Medicare enrollment records show Alexander Graves reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshall, MN 56258
- Reassigned Medicare billing, South Dakota enrollment
- 30 clinicians in this Medicare group
Rock Rapids, IA 51246
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 clinicians in this Medicare group
Sioux Falls, SD 57108
- Reassigned Medicare billing, South Dakota enrollment
- 43 clinicians in this Medicare group
Madison, SD 57042
- Reassigned Medicare billing, South Dakota enrollment
- 84 clinicians in this Medicare group
Salem, SD 57058
- Reassigned Medicare billing, South Dakota enrollment
- 227 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avera Holy Family Hospital
Critical Access Hospitals · Estherville, IAAvera Marshall Regional Medical Ctr
Critical Access Hospitals · Marshall, MNBrookings Health System
Acute Care Hospitals · Brookings, SDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDAvera Heart Hospital Of South Dakota
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
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 Alexander Graves's NPI number?
The NPI number for Alexander Graves is 1053931832. It was assigned to this individual provider in the NPPES registry on April 21, 2020.
Where is Alexander Graves located?
Alexander Graves practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.
What is Alexander Graves's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Alexander Graves enrolled in Medicare?
Yes. Alexander Graves 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 Alexander Graves's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Graves reassigns Medicare benefits to 5 organizations: Avera Marshall (Marshall, MN), Avera Mckennan (Rock Rapids, IA), Urology Specialists Chartered (Sioux Falls, SD), Madison Community Hospital (Madison, SD) and Avera Queen Of Peace (Salem, SD). 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 Alexander Graves's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Graves accept?
Health plans from Avera Health Plans, Sanford Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Alexander Graves 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 Alexander Graves affiliated with any hospitals?
According to CMS data, Alexander Graves is affiliated with Avera Holy Family Hospital, Avera Marshall Regional Medical Ctr, Brookings Health System, Avera Mckennan Hospital & University Health Center and Avera Heart Hospital Of South Dakota.
When was this NPI record last updated?
The NPPES record for Alexander Graves was last updated on August 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Alexander Thomas Aquinas Graves, MD · NPI 1053931832
Diagnostic Radiology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since April 21, 2020.
## Identity
- **NPI:** 1053931832 (Entity type: Individual)
- **Enumerated:** April 21, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 77252-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-1554
- **Phone:** (608) 263-6400
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Avera Marshall (NPI 1962641936, Marshall, MN); Avera Mckennan (NPI 1003389206, Rock Rapids, IA); Urology Specialists Chartered (NPI 1881647246, Sioux Falls, SD); Madison Community Hospital (NPI 1588644058, Madison, SD); Avera Queen Of Peace (NPI 1619201829, Salem, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other
## Record status
- **NPPES last updated:** August 3, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1053931832) · Data from the CMS NPPES public registry.