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Nurse Practitioner

Katherine Pandaliano, NP

Sees patients in Smithtown, NY · Port Jefferson, NY · New York

Summary

Katherine Pandaliano, NP is a nurse practitioner at 50 Route 25a, Smithtown, NY 11787. Phone: (240) 686-2300. Accepts Medicare assignment. In 2024, Katherine Pandaliano had 46 Original Medicare patients and 54 services. NPI 1285354761. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 50 Route 25a, Smithtown, NY 11787 · Directions (1 more location)
  • Phone: (240) 686‑2300
  • Medicare: Accepts Medicare assignment
  • Group practice: John T Mather Memorial Hospital (+1 more)
  • School: graduated 2021
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine Pandaliano, 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 Katherine Pandaliano accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Pandaliano 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 Katherine Pandaliano see?
In 2024, CMS data shows 46 Original Medicare patients and 54 services for Katherine Pandaliano. This counts Original Medicare only and measures volume, not quality.
What is Katherine Pandaliano's NPI number?
1285354761. 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 Katherine Pandaliano, 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 patients46
Services billed to Medicare54
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with low level of medical decision making (99283)17 services
  2. Emergency department visit with moderate level of medical decision making (99284)11 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%
  • Arthritis54%
  • Anxiety41%
  • Ischemic heart disease28%
  • Diabetes26%

Practice locations

Addresses where Katherine Pandaliano is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine Pandaliano as a member of these groups (CMS data updated October 2, 2026).

  • John T Mather Memorial Hospital175 clinicians in the group
  • Siena Emergency Medical Services PC14 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Smithtown

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

All nurse practitioners in Smithtown →

Other clinicians in John T Mather Memorial Hospital

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

Clinician information

CredentialNP
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285354761
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