Quick answers
- Does Parker L. Merritt accept Medicare assignment?
- Yes. Medicare's clinician data says Parker L. Merritt 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 Parker L. Merritt see?
- In 2024, CMS data shows 1,636 Original Medicare patients and 2,921 services for Parker L. Merritt. This counts Original Medicare only and measures volume, not quality.
- What is Parker L. Merritt's NPI number?
- 1265881031. 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 Parker L. Merritt, 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 | 1,636 |
|---|---|
| Services billed to Medicare | 2,921 |
| Different services or procedures | 162 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)393 services
- Ct scan head or brain without contrast (70450)212 services
- Screening 3d breast mammography (77063)197 services
- Screening mammography (77067)197 services
- Ct scan of abdomen and pelvis with contrast (74177)131 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%
- Arthritis60%
- Ischemic heart disease44%
- Anxiety38%
- Diabetes36%
Hospitals where Parker L. Merritt works
Medicare's Facility Affiliation Data lists Parker L. Merritt 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.
- Highpoint Health-Riverview With Ascension Saint THCarthage, TN · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 441307
- Highpoint Health-Sumner With Ascension Saint ThomaGallatin, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440003
- Highpoint Health-Trousdale With Ascension SaintHartsville, TN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 441301
- Tristar Hendersonville Medical CenterHendersonville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440194
- Williamson Medical CenterFranklin, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 440029
Practice locations
Addresses where Parker L. Merritt is enrolled with Medicare (CMS data updated October 2, 2026).
- 210 Stockyard St, Apt 323Nashville, TN 37201 (614) 210‑1885
- 28 White Bridge Pike, Suite 111Nashville, TN 37205 (615) 356‑3999
- 28 White Bridge RdNashville, TN 37205 (615) 356‑3999
- 555 Hartsville PikeGallatin, TN 37066 (615) 452‑4210
Group practices
Medicare enrollment lists Parker L. Merritt as a member of these groups (CMS data updated October 2, 2026).
- Radiology Alliance PC455 clinicians in the group
- Adi Radiology PC151 clinicians in the group
- Middle Tennessee Imaging LLC125 clinicians in the group
- Sumner Radiology PC9 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists 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 |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265881031 |
| 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