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Family Practice

Wayne R. Sebastiano, MD

Sees patients in Baldwin, NY · Glendale, NY · New York

Summary

Dr. Wayne R. Sebastiano, MD is a family doctor at 2360 Grand Ave, Baldwin, NY 11510. Phone: (516) 546-2266. Accepts Medicare assignment. In 2024, Wayne R. Sebastiano had 688 Original Medicare patients and 4,140 services. NPI 1841238722. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 2360 Grand Ave, Baldwin, NY 11510 · Directions (1 more location)
  • Phone: (516) 546‑2266
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Wayne R. Sebastiano, 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 Wayne R. Sebastiano accept Medicare assignment?
Yes. Medicare's clinician data says Wayne R. Sebastiano 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 Wayne R. Sebastiano see?
In 2024, CMS data shows 688 Original Medicare patients and 4,140 services for Wayne R. Sebastiano. This counts Original Medicare only and measures volume, not quality.
What is Wayne R. Sebastiano's NPI number?
1841238722. 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 Wayne R. Sebastiano, 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 patients688
Services billed to Medicare4,140
Different services or procedures65
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)1,374 services
  2. Detection test by immunoassay with direct visual observation for influenza virus (87804)546 services
  3. Insertion of needle into vein for collection of blood sample (36415)394 services
  4. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)376 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)213 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 pressure73%
  • Arthritis46%
  • Diabetes40%
  • Ischemic heart disease23%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%

Practice locations

Addresses where Wayne R. Sebastiano is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in New York →

Other family doctors in New York

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

All family doctors in New York →

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841238722
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