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

Internal Medicine

Elena A. Schmuter, DO

Works at hospitals in Manhasset, NY · Plainview, NY · New York

Summary

Dr. Elena A. Schmuter, DO is an internal medicine doctor at 221 Jericho Tpke, Syosset, NY 11791. Phone: (516) 242-3809. Accepts Medicare assignment. In 2024, Elena A. Schmuter had 526 Original Medicare patients and 5,198 services. NPI 1659433126. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 221 Jericho Tpke, Syosset, NY 11791 · Directions
  • Phone: (516) 242‑3809
  • Medicare: Accepts Medicare assignment
  • Hospitals: North Shore University Hospital, Plainview Hospital
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elena A. Schmuter, 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 Elena A. Schmuter accept Medicare assignment?
Yes. Medicare's clinician data says Elena A. Schmuter 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 Elena A. Schmuter see?
In 2024, CMS data shows 526 Original Medicare patients and 5,198 services for Elena A. Schmuter. This counts Original Medicare only and measures volume, not quality.
What is Elena A. Schmuter's NPI number?
1659433126. 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 Elena A. Schmuter, 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 patients526
Services billed to Medicare5,198
Different services or procedures12
Participating Medicare providerYes
Average age of these patients82

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,992 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)960 services
  3. Advance care planning, first 30 minutes (99497)559 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)475 services
  5. Hospital discharge day management, 30 minutes or less (99238)411 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 disease70%
  • Depression67%
  • Arthritis66%
  • Alzheimer's disease or dementia62%

Hospitals where Elena A. Schmuter works

Medicare's Facility Affiliation Data lists Elena A. Schmuter 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
  • Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331

Practice locations

Addresses where Elena A. Schmuter is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Syosset

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

All internal medicine doctors in Syosset →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659433126
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