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Ophthalmology

David S. Williams, MD

Sees patients in Elizabethtown, PA · Cleona, PA · Pennsylvania

Summary

David S. Williams, MD (Ophthalmology) is enrolled with Medicare at 3 practice locations in Elizabethtown, PA and Cleona, PA. NPI 1821176959. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David S. Williams, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
Jefferson Medical College Of Thomas Jefferson UniversityMedical school
MaleGender (as listed)
Bouquet Mulligan Demaio Eye Professionals P.C.Group practice

Quick answers

Where does David S. Williams see patients?
Medicare's clinician data lists 3 practice locations, including Elizabethtown, PA and Cleona, PA. Call before your visit to confirm the address.
What is David S. Williams's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does David S. Williams accept Medicare assignment?
Yes. Medicare's clinician data says David S. Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for David S. Williams?
(717) 272-0581, as listed in official Medicare / NPI Registry data.
What is David S. Williams's NPI number?
1821176959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where David S. Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David S. Williams as a member of this group (CMS data updated 2026-10-02).

  • Bouquet Mulligan Demaio Eye Professionals P.C.5 clinicians in the group

Specialties

Find other Ophthalmology doctors in Pennsylvania →

Other ophthalmologists in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All ophthalmologists in Pennsylvania →

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821176959
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians