Quick answers
- Does James R. Gray Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Gray Jr. 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 R. Gray Jr. see?
- In 2024, CMS data shows 469 Original Medicare patients and 15,511 services for James R. Gray Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James R. Gray Jr.'s NPI number?
- 1841219938. 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 R. Gray Jr., 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 | 469 |
|---|---|
| Services billed to Medicare | 15,511 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)4,144 services
- Intermediate proton beam radiation treatment (77523)4,069 services
- Radiation treatment management, 5 treatment sessions (77427)894 services
- Continuing radiation therapy consultation per week (77336)843 services
- Tissue marker, implantable, any type, each (A4648)363 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure57%
- High cholesterol57%
- Arthritis31%
- Ischemic heart disease25%
- Diabetes20%
Hospitals where James R. Gray Jr. works
Medicare's Facility Affiliation Data lists James R. Gray Jr. 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 Stonecrest Medical CenterSmyrna, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440227
- Tristar Summit Medical CenterHermitage, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440150
- Williamson Medical CenterFranklin, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 440029
Practice locations
Addresses where James R. Gray Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 4488 Carothers Pkwy, Suite 110Franklin, TN 37067 (615) 721‑0935
Group practices
Medicare enrollment lists James R. Gray Jr. as a member of this group (CMS data updated October 2, 2026).
- Tennessee Oncology PLLC358 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Other clinicians in Tennessee Oncology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841219938 |
| 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