William Mackenzie, PA-C
NPI 1508427337 · Physician Assistant · Winter Garden, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mackenzie, PA-C is a Physician Assistant provider in Winter Garden, FL (NPI 1508427337).
Provider details
- NPI number
- 1508427337
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA9112545 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1919 E Highway 50Clermont, FL 34711-1975Phone: (844) 407-4070
Registry dates
- Enumerated
- 2019-06-24
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is William Mackenzie's NPI number?
- William Mackenzie's National Provider Identifier (NPI) is 1508427337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mackenzie's specialty?
- William Mackenzie is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Mackenzie located?
- William Mackenzie's practice location on file with NPPES is 2200 Fowler Grove Blvd Ste 360, Winter Garden, FL 34787-5597.
- What is William Mackenzie's phone number?
- The practice phone number listed in the NPPES registry for William Mackenzie is (844) 407-4070.
- Does William Mackenzie accept Medicare?
- William Mackenzie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mackenzie's NPI active?
- Yes — William Mackenzie's NPI (1508427337) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.