Quick answers
- Does Adam C. Massey accept Medicare assignment?
- Yes. Medicare's clinician data says Adam C. 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 Adam C. Massey see?
- In 2024, CMS data shows 531 Original Medicare patients and 1,275 services for Adam C. Massey. This counts Original Medicare only and measures volume, not quality.
- What is Adam C. Massey's NPI number?
- 1104266204. 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 Adam C. 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 | 531 |
|---|---|
| Services billed to Medicare | 1,275 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)650 services
- Hospital discharge day management, more than 30 minutes (99239)269 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)141 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)90 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)71 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%
- Arthritis59%
- Ischemic heart disease57%
- Heart failure53%
- Diabetes49%
Hospitals where Adam C. Massey works
Medicare's Facility Affiliation Data lists Adam C. 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.
- Baptist Health Medical Center-ArkadelphiaArkadelphia, AR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 041321
- CHI St. Vincent Hospital Hot SpringsHot Springs, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040026
- Mena Regional Health SystemMena, AR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 041334
Practice locations
Addresses where Adam C. Massey is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Mercy Ln, Suite 404Hot Springs, AR 71913 (501) 609‑2222
Group practices
Medicare enrollment lists Adam C. Massey as a member of this group (CMS data updated October 2, 2026).
- CHI St Vincent Medical Group Hot Springs185 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Hot Springs
Clinicians with the same Medicare primary specialty in Hot Springs, AR — not a recommendation.
Other clinicians in CHI St Vincent Medical Group Hot Springs
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104266204 |
| 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