Mackenzie Brennan
NPI 1528954229 · Occupational Therapist · Winchester, VA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Brennan is a Occupational Therapist provider in Winchester, VA (NPI 1528954229).
Provider details
- NPI number
- 1528954229
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 0119010886 (VA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2025-06-17
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Mackenzie Brennan's NPI number?
- Mackenzie Brennan's National Provider Identifier (NPI) is 1528954229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Brennan's specialty?
- Mackenzie Brennan is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mackenzie Brennan located?
- Mackenzie Brennan's practice location on file with NPPES is 20 E Piccadilly St Ste 11&14, Winchester, VA 22601-3971.
- What is Mackenzie Brennan's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Brennan is (877) 407-3422.
- Does Mackenzie Brennan accept Medicare?
- Mackenzie Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Brennan's NPI active?
- Yes — Mackenzie Brennan's NPI (1528954229) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.