Quick answers
- Does James M. Massey accept Medicare assignment?
- Yes. Medicare's clinician data says James M. Massey 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 James M. Massey see?
- In 2024, CMS data shows 391 Original Medicare patients and 428 services for James M. Massey. This counts Original Medicare only and measures volume, not quality.
- What is James M. Massey's NPI number?
- 1083865976. 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 James M. Massey, 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 | 391 |
|---|---|
| Services billed to Medicare | 428 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Complete ultrasound scan behind abdominal cavity (76770)122 services
- Ultrasound scan of head and neck soft tissue (76536)76 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)60 services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)46 services
- Limited ultrasound scan of abdomen (76705)44 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%
- Chronic kidney disease59%
- Ischemic heart disease58%
- Heart failure54%
Hospitals where James M. Massey works
Medicare's Facility Affiliation Data lists James M. Massey 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.
- Ascension Saint Thomas Three RiversWaverly, TN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 441303
- 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 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 James M. Massey is enrolled with Medicare (CMS data updated October 2, 2026).
- 105 Tilbury CirBrentwood, TN 37027 (615) 312‑0600
- 1801 Ashley CirBowling Green, KY 42104 (615) 312‑0600
- 210 25th Ave N, Suite 1204Nashville, TN 37203 (615) 312‑0600
- 2221 Murphy AveNashville, TN 37203 (615) 312‑0600
- 2300 Patterson StNashville, TN 37203 (615) 342‑1000
Group practices
Medicare enrollment lists James M. Massey as a member of this group (CMS data updated October 2, 2026).
- Radiology Alliance PC455 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Brentwood
Clinicians with the same Medicare primary specialty in Brentwood, 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 |
|---|---|
| Medical school | Louisville Medical College |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083865976 |
| 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