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Ophthalmology

Delia L. Montalto, MD

Sees patients in Smithtown, NY · New York

Summary

Dr. Delia L. Montalto, MD is an ophthalmologist at 260 E Middle Country Rd, Suite 201, Smithtown, NY 11787. Phone: (631) 265-8780. Accepts Medicare assignment. In 2024, Delia L. Montalto had 714 Original Medicare patients and 2,183 services. NPI 1508220591. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 260 E Middle Country Rd, Suite 201, Smithtown, NY 11787 · Directions
  • Phone: (631) 265‑8780
  • Medicare: Accepts Medicare assignment
  • Group practice: Sight Medical Doctors PLLC
  • Medical school: State University Of Ny Upstate Medical University · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Delia L. Montalto, 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 Delia L. Montalto accept Medicare assignment?
Yes. Medicare's clinician data says Delia L. Montalto 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 Delia L. Montalto see?
In 2024, CMS data shows 714 Original Medicare patients and 2,183 services for Delia L. Montalto. This counts Original Medicare only and measures volume, not quality.
What is Delia L. Montalto's NPI number?
1508220591. 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 Delia L. Montalto, 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 patients714
Services billed to Medicare2,183
Different services or procedures36
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)462 services
  2. Established patient complete exam of visual system (92014)245 services
  3. Measurement of corneal curvature and depth of eye (92136)223 services
  4. Photography of the retina (92250)178 services
  5. Imaging of optic nerve (92133)150 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 blood pressure75%
  • High cholesterol75%
  • Arthritis49%
  • Diabetes39%
  • Ischemic heart disease36%
  • Anxiety25%

Practice locations

Addresses where Delia L. Montalto is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Delia L. Montalto as a member of this group (CMS data updated October 2, 2026).

  • Sight Medical Doctors PLLC115 clinicians in the group

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in Smithtown

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

All ophthalmologists in Smithtown →

Other clinicians in Sight Medical Doctors PLLC

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

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508220591
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