Quick answers
- Does Donald W. McMillan accept Medicare assignment?
- Yes. Medicare's clinician data says Donald W. McMillan 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 Donald W. McMillan see?
- In 2024, CMS data shows 307 Original Medicare patients and 360 services for Donald W. McMillan. This counts Original Medicare only and measures volume, not quality.
- What is Donald W. McMillan's NPI number?
- 1871534347. 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 Donald W. McMillan, 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 | 307 |
|---|---|
| Services billed to Medicare | 360 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)43 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)39 services
- Anesthesia for total hip replacement (01214)28 services
- Anesthesia for exam of colon using an endoscope (00812)27 services
- Anesthesia for procedure for total knee joint replacement (01402)26 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%
- Arthritis63%
- Anxiety38%
- Depression34%
- Diabetes33%
Hospitals where Donald W. McMillan works
Medicare's Facility Affiliation Data lists Donald W. McMillan 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.
- Orlando Health Melbourne HospitalMelbourne, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100291
Practice locations
Addresses where Donald W. McMillan is enrolled with Medicare (CMS data updated October 2, 2026).
- 220 N Sykes Creek Pkwy, Suite 101Merritt Island, FL 32953 (321) 459‑0015
- 250 N Wickham RdMelbourne, FL 32935 (321) 752‑1200
Group practices
Medicare enrollment lists Donald W. McMillan as a member of this group (CMS data updated October 2, 2026).
- Central Brevard Anesthesiologists PA25 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Florida
Clinicians with the same Medicare primary specialty in Florida — not a recommendation.
Other clinicians in Central Brevard Anesthesiologists PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871534347 |
| 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