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

Emergency Medicine

Aaron E. Grubner, MD

Sees patients in Valhalla, NY · New York

Summary

Aaron E. Grubner, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in Valhalla, NY. NPI 1114480118. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Aaron E. Grubner, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
University Of Maryland School Of MedicineMedical school
MaleGender (as listed)
Physicians Medical Associates New York PCGroup practice

Quick answers

Where does Aaron E. Grubner see patients?
Medicare's clinician data lists 1 practice location in Valhalla, NY. Call before your visit to confirm the address.
What is Aaron E. Grubner's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Aaron E. Grubner accept Medicare assignment?
Yes. Medicare's clinician data says Aaron E. Grubner 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 Aaron E. Grubner?
(914) 493-7000, as listed in official Medicare / NPI Registry data.
What is Aaron E. Grubner's NPI number?
1114480118. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Aaron E. Grubner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Aaron E. Grubner as a member of this group (CMS data updated 2026-10-02).

  • Physicians Medical Associates New York PC102 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in Valhalla

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

All emergency medicine doctors in Valhalla →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114480118
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians