Quick answers
- Which hospitals does William C. Mackenzie work at?
- Medicare's official clinician data lists William C. Mackenzie at 1 hospital: AdventHealth Orlando. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Mackenzie see patients?
- Medicare's clinician data lists 6 practice locations, including Sanford, FL, Winter Garden, FL and Maitland, FL. Call before your visit to confirm the address.
- What is William C. Mackenzie's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William C. Mackenzie accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Mackenzie accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does William C. Mackenzie offer telehealth?
- Medicare's clinician data says William C. Mackenzie offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William C. Mackenzie?
- (407) 200-2700, as listed in official Medicare / NPI Registry data.
- What is William C. Mackenzie's NPI number?
- 1508427337. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William C. Mackenzie works
Medicare's Facility Affiliation Data lists William C. Mackenzie at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth OrlandoOrlando, FL · Acute Care Hospital · CCN 100007
Practice locations
Addresses where William C. Mackenzie is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1200 Lexington Green LnSanford, FL 32771
- 2000 Fowler Grove BlvdWinter Garden, FL 34787
- 2200 Fowler Grove BlvdWinter Garden, FL 34787
- 2600 Westhall LnMaitland, FL 32751 (407) 200‑2700
- 410 Lionel WayDavenport, FL 33837
Group practices
Medicare enrollment lists William C. Mackenzie as a member of these groups (CMS data updated 2026-10-02).
- Florida Hospital Medical Group Inc1,755 clinicians in the group
- Ability Health Services and Rehabilitation LP1,269 clinicians in the group
- Ability Health Services, Inc1,258 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Sanford
Clinicians with the same Medicare primary specialty in Sanford, FL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508427337 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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