MR. WILLIAM CARL MACKENZIE PA-C
NPI 1508427337
Physician Assistant in Winter Garden, FL
About Mr. William Carl Mackenzie Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM CARL MACKENZIE PA-C (NPI 1508427337) is an individual physician assistant in Winter Garden, Florida, licensed in Florida (9112545) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William Carl Mackenzie Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventhealth Orlando
Acute Care Hospitals · Orlando, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34787 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINTER GARDEN, FL 34787
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Mackenzie's NPI number?
The NPI number for William Mackenzie is 1508427337. It was assigned to this individual provider in the NPPES registry on June 24, 2019.
Where is William Mackenzie located?
William Mackenzie practices at 2200 Fowler Grove Blvd Ste 360, Winter Garden, FL 34787. The listed phone number is (844) 407-4070.
What is William Mackenzie's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is William Mackenzie enrolled in Medicare?
Yes. William Mackenzie is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is William Mackenzie affiliated with any hospitals?
According to CMS data, William Mackenzie is affiliated with Adventhealth Orlando.
When was this NPI record last updated?
The NPPES record for William Mackenzie was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. William Carl Mackenzie, PA-C · NPI 1508427337
Physician Assistant physician in Winter Garden, Florida. Individual provider, active in the CMS NPPES registry since June 24, 2019.
## Identity
- **NPI:** 1508427337 (Entity type: Individual)
- **Enumerated:** June 24, 2019
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 9112545 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 2200 FOWLER GROVE BLVD STE 360, Winter Garden, FL 34787-5597
- **Phone:** (844) 407-4070
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 18, 2026
- **Other identifiers:** Medicaid 104444700 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1508427337) · Data from the CMS NPPES public registry.