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Physician Assistant

James P. Shashaty Ii, PA

Works at hospitals in New Hyde Park, NY · Manhasset, NY · Riverhead, NY … · New York

Summary

James P. Shashaty Ii, PA is a physician assistant at 1 Heroes Way, Riverhead, NY 11901. Phone: (631) 548-6000. Accepts Medicare assignment. In 2024, James P. Shashaty Ii had 248 Original Medicare patients and 444 services. NPI 1073500120. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about James P. Shashaty Ii, 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 James P. Shashaty Ii accept Medicare assignment?
Yes. Medicare's clinician data says James P. Shashaty Ii 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 James P. Shashaty Ii see?
In 2024, CMS data shows 248 Original Medicare patients and 444 services for James P. Shashaty Ii. This counts Original Medicare only and measures volume, not quality.
What is James P. Shashaty Ii's NPI number?
1073500120. 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 James P. Shashaty Ii, 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 patients248
Services billed to Medicare444
Different services or procedures32
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Drainage of fluid from abdominal cavity using imaging guidance (49083)108 services
  2. Insertion of tube for infusion with imaging guidance and review by radiologist, patient 5 years or older (36573)79 services
  3. Aspiration of fluid from chest cavity using imaging guidance (32555)66 services
  4. Ultrasonic guidance for blood vessel access (76937)30 services
  5. Insertion of needle into vein (3 years or older) (36410)21 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%
  • Ischemic heart disease69%
  • Arthritis67%
  • Chronic kidney disease60%
  • Heart failure57%

Hospitals where James P. Shashaty Ii works

Medicare's Facility Affiliation Data lists James P. Shashaty Ii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
  • North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
  • Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330107
  • Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331

Practice locations

Addresses where James P. Shashaty Ii 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 James P. Shashaty Ii as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Riverhead

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

All physician assistants in Riverhead →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialPA
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073500120
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians