Quick answers
- Does Roger A. Bonau accept Medicare assignment?
- Yes. Medicare's clinician data says Roger A. Bonau accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Roger A. Bonau see?
- In 2024, CMS data shows 142 Original Medicare patients and 476 services for Roger A. Bonau. This counts Original Medicare only and measures volume, not quality.
- What is Roger A. Bonau's NPI number?
- 1588662225. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Roger A. Bonau, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 142 |
|---|---|
| Services billed to Medicare | 476 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)110 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)64 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)63 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)39 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)31 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol71%
- High blood pressure68%
- Arthritis49%
- Diabetes25%
- Ischemic heart disease23%
- Anxiety19%
Practice locations
Addresses where Roger A. Bonau is enrolled with Medicare (CMS data updated October 2, 2026).
- 2004 Hayes St, Suite 350Nashville, TN 37203 (615) 312‑3333
Group practices
Medicare enrollment lists Roger A. Bonau as a member of this group (CMS data updated October 2, 2026).
- Tennessee Oncology PLLC358 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Nashville
Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.
Other clinicians in Tennessee Oncology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | Tulane University School Of Medicine |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588662225 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians