Quick answers
- Does Simon G. Atena accept Medicare assignment?
- Yes. Medicare's clinician data says Simon G. Atena 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 Simon G. Atena see?
- In 2024, CMS data shows 137 Original Medicare patients and 431 services for Simon G. Atena. This counts Original Medicare only and measures volume, not quality.
- What is Simon G. Atena's NPI number?
- 1598156309. 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 Simon G. Atena, 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 | 137 |
|---|---|
| Services billed to Medicare | 431 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)199 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)148 services
- Hospital discharge day management, more than 30 minutes (99239)36 services
- Hospital discharge day management, 30 minutes or less (99238)33 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)11 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 blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease52%
- Diabetes51%
- Chronic kidney disease50%
Hospitals where Simon G. Atena works
Medicare's Facility Affiliation Data lists Simon G. Atena at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Tristar Skyline Medical CenterNashville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440006
- UPMC PassavantPittsburgh, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390107
- Wellmont Bristol Regional Medical CenterBristol, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440012
Practice locations
Addresses where Simon G. Atena is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 Medical Park BlvdBristol, TN 37620 (423) 844‑1121
- 200 Lothrop StPittsburgh, PA 15213 (412) 383‑1370
- 200 Lothrop St, Muh 4 EastPittsburgh, PA 15213 (412) 383‑1370
- 2300 Patterson StNashville, TN 37203 (615) 342‑1000
- 3441 Dickerson PikeNashville, TN 37207 (615) 769‑2000
Group practices
Medicare enrollment lists Simon G. Atena as a member of these groups (CMS data updated October 2, 2026).
- University of Pittsburgh Physicians4,236 clinicians in the group
- Hospital Medicine Services of TN LLC275 clinicians in the group
- Steele Creek Physician Services PC35 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Bristol
Clinicians with the same Medicare primary specialty in Bristol, TN — not a recommendation.
Other clinicians in University of Pittsburgh Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598156309 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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