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Gastroenterology

Donald J. Palmadessa, MD

Works at hospitals in Manhasset, NY · New York

Summary

Dr. Donald J. Palmadessa, MD is a gastroenterologist at 15055 14th Ave, Suite 2, Whitestone, NY 11357. Phone: (718) 559-3300. Accepts Medicare assignment. In 2024, Donald J. Palmadessa had 377 Original Medicare patients and 940 services. NPI 1942220199. 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.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 15055 14th Ave, Suite 2, Whitestone, NY 11357 · Directions (1 more location)
  • Phone: (718) 559‑3300
  • Medicare: Accepts Medicare assignment
  • Hospital: North Shore University Hospital
  • Group practice: North Shore-Lij Medical PC
  • Medical school: State University Of New York Downstate Medical Center · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Donald J. Palmadessa, 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 Donald J. Palmadessa accept Medicare assignment?
Yes. Medicare's clinician data says Donald J. Palmadessa 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 Donald J. Palmadessa see?
In 2024, CMS data shows 377 Original Medicare patients and 940 services for Donald J. Palmadessa. This counts Original Medicare only and measures volume, not quality.
What is Donald J. Palmadessa's NPI number?
1942220199. 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 Donald J. Palmadessa, 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 patients377
Services billed to Medicare940
Different services or procedures17
Participating Medicare providerYes
Average age of these patients72

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)326 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)139 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)121 services
  4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)78 services
  5. Diagnostic exam of large bowel using a flexible endoscope (45378)69 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%
  • Arthritis44%
  • Diabetes43%
  • Ischemic heart disease32%
  • Anxiety22%

Hospitals where Donald J. Palmadessa works

Medicare's Facility Affiliation Data lists Donald J. Palmadessa 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.

  • North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106

Practice locations

Addresses where Donald J. Palmadessa is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Donald J. Palmadessa 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 Gastroenterology doctors in New York →

Other gastroenterologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All gastroenterologists in New York →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1942220199
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