Quick answers
- Does Josiah Magnusson accept Medicare assignment?
- Yes. Medicare's clinician data says Josiah Magnusson 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 Josiah Magnusson see?
- In 2024, CMS data shows 1,224 Original Medicare patients and 2,736 services for Josiah Magnusson. This counts Original Medicare only and measures volume, not quality.
- What is Josiah Magnusson's NPI number?
- 1194227504. 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 Josiah Magnusson, 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 | 1,224 |
|---|---|
| Services billed to Medicare | 2,736 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Nuclear medicine study from skull base to mid-thigh with ct scan (78815)1,078 services
- Piflufolastat f-18, diagnostic, 1 millicurie (A9595)145 services
- Dxa bone density measurement of hip, pelvis, spine (77080)97 services
- Nuclear medicine study whole body with ct scan (78816)70 services
- Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (A9552)40 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)54%
- Arthritis51%
- Ischemic heart disease36%
- Chronic kidney disease32%
Hospitals where Josiah Magnusson works
Medicare's Facility Affiliation Data lists Josiah Magnusson 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 Centennial Medical CenterNashville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440161
- Tristar Hendersonville Medical CenterHendersonville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440194
- Tristar Horizon Medical CenterDickson, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440046
- Tristar Skyline Medical CenterNashville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440006
- Tristar Summit Medical CenterHermitage, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440150
Practice locations
Addresses where Josiah Magnusson is enrolled with Medicare (CMS data updated October 2, 2026).
- 2300 Patterson StNashville, TN 37203 (615) 342‑1000
- 4488 Carothers Pkwy, Suite 110Franklin, TN 37067 (615) 721‑0935
Group practices
Medicare enrollment lists Josiah Magnusson as a member of these groups (CMS data updated October 2, 2026).
- Radiology Alliance PC455 clinicians in the group
- Tennessee Oncology PLLC358 clinicians in the group
Specialties
- Nuclear Medicineprimary
Other nuclear medicine doctors in Nashville
Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.
Other clinicians in Radiology Alliance PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194227504 |
| 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