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Anesthesiology

Spencer Dauer, DO

Works at hospitals in Bay Shore, NY · New York

Summary

Spencer Dauer, DO (Anesthesiology) is listed by Medicare at 1 hospital in Bay Shore, NY. NPI 1356873103. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Spencer Dauer, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
Alabama College Of Osteopathic MedicineMedical school
MaleGender (as listed)
North Shore - Lij Anesthesiology, PCGroup practice

Quick answers

Which hospitals does Spencer Dauer work at?
Medicare's official clinician data lists Spencer Dauer at 1 hospital: Ns/Lij HS Southside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Spencer Dauer see patients?
Medicare's clinician data lists 1 practice location in Bay Shore, NY. Call before your visit to confirm the address.
What is Spencer Dauer's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Spencer Dauer accept Medicare assignment?
Yes. Medicare's clinician data says Spencer Dauer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Spencer Dauer?
(914) 666-8866, as listed in official Medicare / NPI Registry data.
What is Spencer Dauer's NPI number?
1356873103. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Spencer Dauer works

Medicare's Facility Affiliation Data lists Spencer Dauer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Spencer Dauer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Spencer Dauer as a member of this group (CMS data updated 2026-10-02).

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

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Bay Shore

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

All anesthesiologists in Bay Shore →

Clinician information

CredentialDO
Medical schoolAlabama College Of Osteopathic Medicine
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356873103
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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