Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Nicholas C. Gagliano, MD

Works at hospitals in Riverhead, NY · New York

Summary

Dr. Nicholas C. Gagliano, MD is an anesthesiologist at 195 E Main St, Huntington, NY 11743. Phone: (914) 666-8866. Accepts Medicare assignment. In 2024, Nicholas C. Gagliano had 585 Original Medicare patients and 613 services. NPI 1912949298. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 195 E Main St, Huntington, NY 11743 · Directions (1 more location)
  • Phone: (914) 666‑8866
  • Medicare: Accepts Medicare assignment
  • Hospital: Peconic Bay Medical Center
  • Group practice: North Shore - Lij Anesthesiology, PC
  • Medical school: University Of Rochester School Of Medicine And Dentistry · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas C. Gagliano, 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 Nicholas C. Gagliano accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas C. Gagliano 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 Nicholas C. Gagliano see?
In 2024, CMS data shows 585 Original Medicare patients and 613 services for Nicholas C. Gagliano. This counts Original Medicare only and measures volume, not quality.
What is Nicholas C. Gagliano's NPI number?
1912949298. 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 Nicholas C. Gagliano, 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 patients585
Services billed to Medicare613
Different services or procedures45
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)174 services
  2. Anesthesia for procedure on small and large bowel using an endoscope (00813)103 services
  3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)73 services
  4. Anesthesia for exam of colon using an endoscope (00812)53 services
  5. Anesthesia for other procedure on urinary system through urethra (00910)28 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 disease30%
  • Diabetes25%
  • Anxiety22%

Hospitals where Nicholas C. Gagliano works

Medicare's Facility Affiliation Data lists Nicholas C. Gagliano 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.

  • Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330107

Practice locations

Addresses where Nicholas C. Gagliano is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas C. Gagliano as a member of this group (CMS data updated October 2, 2026).

  • North Shore - Lij Anesthesiology, PC1,003 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Huntington

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

All anesthesiologists in Huntington →

Other clinicians in North Shore - Lij Anesthesiology, PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912949298
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