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Optometry

Robert D. Dondiego Sr., OD

Sees patients in Smithtown, NY · New York

Summary

Dr. Robert D. Dondiego Sr., OD is an optometrist at 2 Miller Pl, Smithtown, NY 11787. Phone: (631) 360-3420. Accepts Medicare assignment. In 2024, Robert D. Dondiego Sr. had 91 Original Medicare patients and 174 services. NPI 1942384755. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 2 Miller Pl, Smithtown, NY 11787 · Directions
  • Phone: (631) 360‑3420
  • Medicare: Accepts Medicare assignment
  • Optometry school: State University Of New York - State College Optometry · graduated 1995 (31 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Robert D. Dondiego Sr., 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 Robert D. Dondiego Sr. accept Medicare assignment?
Yes. Medicare's clinician data says Robert D. Dondiego Sr. 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 Robert D. Dondiego Sr. see?
In 2024, CMS data shows 91 Original Medicare patients and 174 services for Robert D. Dondiego Sr.. This counts Original Medicare only and measures volume, not quality.
What is Robert D. Dondiego Sr.'s NPI number?
1942384755. 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 Robert D. Dondiego Sr., 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 patients91
Services billed to Medicare174
Different services or procedures3
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient complete exam of visual system (92014)76 services
  2. New patient complete exam of visual system (92004)16 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 cholesterol75%
  • High blood pressure67%
  • Arthritis38%
  • Ischemic heart disease36%
  • Diabetes25%
  • Osteoporosis22%

Practice locations

Addresses where Robert D. Dondiego Sr. is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Optometry, New York →

Other optometrists in Smithtown

Clinicians with the same Medicare primary specialty in Smithtown, NY — not a recommendation.

All optometrists in Smithtown →

Clinician information

CredentialOD
Optometry schoolState University Of New York - State College Optometry
Graduation year1995 (31 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942384755
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