Mackenzie Winslow, PA-C
NPI 1275303877 · Medical Physician Assistant · Northborough, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Winslow, PA-C is a Medical Physician Assistant provider in Northborough, MA (NPI 1275303877).
Provider details
- NPI number
- 1275303877
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
2 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,122 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 2,296 | $65 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 923 | $116 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 401 | $35 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 243 | $94 |
| Initial Nursing Facility Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99304 | 231 | $70 |
| Removal of Muscle And/Or Tissue, 20.0 Sq Cm Or Less11043 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$374 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-04
- Last updated
- 2024-01-06
- Certified
- 2024-01-06
Frequently asked questions
- What is Mackenzie Winslow's NPI number?
- Mackenzie Winslow's National Provider Identifier (NPI) is 1275303877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Winslow's specialty?
- Mackenzie Winslow is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mackenzie Winslow located?
- Mackenzie Winslow's practice location on file with NPPES is 318 Main St, Northborough, MA 01532-3609.
- What is Mackenzie Winslow's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Winslow is (508) 936-1657.
- Does Mackenzie Winslow accept Medicare?
- Mackenzie Winslow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Winslow's NPI active?
- Yes — Mackenzie Winslow's NPI (1275303877) is active in the NPPES registry as of the last update on 2024-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.