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Optometry

Katrina M. Winslade, OD

Sees patients in Groveland, MA · Massachusetts

Summary

Dr. Katrina M. Winslade, OD is an optometrist at 939 Salem St, Unit 7, Groveland, MA 01834. Phone: (978) 374-8991. Accepts Medicare assignment. In 2024, Katrina M. Winslade had 122 Original Medicare patients and 146 services. NPI 1447616859. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 939 Salem St, Unit 7, Groveland, MA 01834 · Directions
  • Phone: (978) 374‑8991
  • Medicare: Accepts Medicare assignment
  • Group practice: Dr Laura Anne Potvin PC
  • Optometry school: New England College Of Optometry · graduated 2015 (11 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katrina M. Winslade, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Katrina M. Winslade accept Medicare assignment?
Yes. Medicare's clinician data says Katrina M. Winslade accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Katrina M. Winslade see?
In 2024, CMS data shows 122 Original Medicare patients and 146 services for Katrina M. Winslade. This counts Original Medicare only and measures volume, not quality.
What is Katrina M. Winslade's NPI number?
1447616859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Katrina M. Winslade, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients122
Services billed to Medicare146
Different services or procedures8
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient complete exam of visual system (92014)57 services
  2. New patient complete exam of visual system (92004)42 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol72%
  • High blood pressure59%
  • Arthritis34%
  • Anxiety31%
  • Depression21%
  • Chronic kidney disease16%

Practice locations

Addresses where Katrina M. Winslade is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katrina M. Winslade as a member of this group (CMS data updated October 2, 2026).

  • Dr Laura Anne Potvin PC4 clinicians in the group

Specialties

Find other clinicians: Optometry, Massachusetts →

Other optometrists in Groveland

Clinicians with the same Medicare primary specialty in Groveland, MA — not a recommendation.

All optometrists in Groveland →

Other clinicians in Dr Laura Anne Potvin PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialOD
Optometry schoolNew England College Of Optometry
Graduation year2015 (11 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447616859
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians