Quick answers
- Does Nelson S. Gwinn Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Nelson S. Gwinn Iii 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 Nelson S. Gwinn Iii see?
- In 2024, CMS data shows 2,668 Original Medicare patients and 19,956 services for Nelson S. Gwinn Iii. This counts Original Medicare only and measures volume, not quality.
- What is Nelson S. Gwinn Iii's NPI number?
- 1922087071. 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 Nelson S. Gwinn Iii, 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 | 2,668 |
|---|---|
| Services billed to Medicare | 19,956 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)6,406 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)3,159 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)3,120 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)1,539 services
- Injection, regadenoson, 0.1 mg (J2785)1,212 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%
- Arthritis62%
- Ischemic heart disease46%
- Diabetes41%
- Atrial fibrillation38%
Hospitals where Nelson S. Gwinn Iii works
Medicare's Facility Affiliation Data lists Nelson S. Gwinn Iii 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.
- Dale Medical CenterOzark, AL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 010021
- Donalsonville Hospital IncDonalsonville, GA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 110194
- Jackson HospitalMarianna, FL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 100142
- Medical Center EnterpriseEnterprise, AL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 010049
- Southeast Health Medical CenterDothan, AL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 010001
Practice locations
Addresses where Nelson S. Gwinn Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1001 N Main StOpp, AL 36467 (334) 493‑3541
- 102 Hospital CirDonalsonville, GA 39845
- 1146 Ross Clark CirDothan, AL 36301 (334) 712‑1929
- 1150 Ross Clark CirDothan, AL 36301
- 2020 Alexander DrDothan, AL 36301 (334) 712‑1929
Group practices
Medicare enrollment lists Nelson S. Gwinn Iii as a member of these groups (CMS data updated October 2, 2026).
- Donalsonville Hospital Inc65 clinicians in the group
- The Hospital Authority of Miller County30 clinicians in the group
- Southeast Cardiology Clinic Inc.5 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Alabama →
Other cardiologists in Alabama
Clinicians with the same Medicare primary specialty in Alabama — not a recommendation.
Other clinicians in Donalsonville Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922087071 |
| 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