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Physician Assistant

Amy B. Rosario, PA

Sees patients in Smithtown, NY · Huntington Station, NY · East Northport, NY … · New York

Summary

Amy B. Rosario, PA is a physician assistant at 1 Miller Pl, Smithtown, NY 11787. Phone: (631) 604-4024. Accepts Medicare assignment. In 2024, Amy B. Rosario had 431 Original Medicare patients and 789 services. NPI 1275810814. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1 Miller Pl, Smithtown, NY 11787 · Directions (13 more locations)
  • Phone: (631) 604‑4024
  • Medicare: Accepts Medicare assignment
  • Group practice: North Shore Lij Urgent Care PC
  • School: graduated 2011
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Amy B. Rosario, 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 Amy B. Rosario accept Medicare assignment?
Yes. Medicare's clinician data says Amy B. Rosario 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 Amy B. Rosario see?
In 2024, CMS data shows 431 Original Medicare patients and 789 services for Amy B. Rosario. This counts Original Medicare only and measures volume, not quality.
What is Amy B. Rosario's NPI number?
1275810814. 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 Amy B. Rosario, 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 patients431
Services billed to Medicare789
Different services or procedures30
Participating Medicare providerYes
Average age of these patients74

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)168 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)157 services
  3. Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)83 services
  4. Automated urinalysis test (81003)54 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)46 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 pressure72%
  • Arthritis55%
  • Ischemic heart disease34%
  • Diabetes31%
  • Anxiety26%

Practice locations

Addresses where Amy B. Rosario is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 14; the Medicare profile lists all.

Group practices

Medicare enrollment lists Amy B. Rosario as a member of this group (CMS data updated October 2, 2026).

  • North Shore Lij Urgent Care PC390 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Smithtown

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

All physician assistants in Smithtown →

Other clinicians in North Shore Lij Urgent Care PC

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

Clinician information

CredentialPA
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275810814
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