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Optometry

Denise K. Snow Williams, OD

Sees patients in Randolph, MA · Massachusetts

Summary

Dr. Denise K. Snow Williams, OD is an optometrist at 9 Warren St, Randolph, MA 02368. Accepts Medicare assignment. In 2024, Denise K. Snow Williams had 39 Original Medicare patients and 49 services. NPI 1710087788. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 9 Warren St, Randolph, MA 02368 · Directions
  • Medicare: Accepts Medicare assignment
  • Optometry school: New England College Of Optometry · graduated 1990 (36 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Denise K. Snow Williams, 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 Denise K. Snow Williams accept Medicare assignment?
Yes. Medicare's clinician data says Denise K. Snow Williams 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 Denise K. Snow Williams see?
In 2024, CMS data shows 39 Original Medicare patients and 49 services for Denise K. Snow Williams. This counts Original Medicare only and measures volume, not quality.
What is Denise K. Snow Williams's NPI number?
1710087788. 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 Denise K. Snow Williams, 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 patients39
Services billed to Medicare49
Different services or procedures6
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)34 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 cholesterol74%
  • High blood pressure67%
  • Diabetes41%
  • Arthritis31%

Practice locations

Addresses where Denise K. Snow Williams is enrolled with Medicare (CMS data updated October 2, 2026).

  • 9 Warren StRandolph, MA 02368

Specialties

Find other clinicians: Optometry, Massachusetts →

Other optometrists in Randolph

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

All optometrists in Randolph →

Clinician information

CredentialOD
Optometry schoolNew England College Of Optometry
Graduation year1990 (36 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710087788
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