Quick answers
- Does James C. Hays Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James C. Hays 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 C. Hays Jr. see?
- In 2024, CMS data shows 1,846 Original Medicare patients and 23,215 services for James C. Hays Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James C. Hays Jr.'s NPI number?
- 1912943945. 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 C. Hays 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 | 1,846 |
|---|---|
| Services billed to Medicare | 23,215 |
| Different services or procedures | 82 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, inclisiran, 1 mg (J1306)11,928 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)4,800 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,584 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,357 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)589 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%
- Ischemic heart disease61%
- Arthritis52%
- Diabetes35%
- Atrial fibrillation34%
Hospitals where James C. Hays Jr. works
Medicare's Facility Affiliation Data lists James C. Hays 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.
- Greenwood Leflore HospitalGreenwood, MS · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 250099
- King's Daughters Medical Center-BrookhavenBrookhaven, MS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 250057
- North Sunflower Medical Center CAHRuleville, MS · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 251318
- St Dominic-Jackson Memorial HospitalJackson, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250048
Practice locations
Addresses where James C. Hays Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 969 Lakeland DrJackson, MS 39216 (601) 364‑6175
- 970 Lakeland Dr, Suite 61Jackson, MS 39216 (601) 982‑7850
Group practices
Medicare enrollment lists James C. Hays Jr. as a member of these groups (CMS data updated October 2, 2026).
- St. Dominic Jackson Memorial58 clinicians in the group
- Jackson Heart Clinic. P.A.42 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Mississippi →
Other cardiologists in Jackson
Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.
Other clinicians in St. Dominic Jackson Memorial
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912943945 |
| 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