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Emergency Medicine

Gregory Loeb, MD

Works at hospitals in Winchester, VA · Virginia

Summary

Gregory Loeb, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Winchester, VA. NPI 1649732215. 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 Gregory Loeb, 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)
Winchester Medical CenterGroup practice (+1 more)

Quick answers

Which hospitals does Gregory Loeb work at?
Medicare's official clinician data lists Gregory Loeb at 1 hospital: Winchester Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory Loeb see patients?
Medicare's clinician data lists 2 practice locations, including Winchester, VA and Front Royal, VA. Call before your visit to confirm the address.
What is Gregory Loeb's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Gregory Loeb accept Medicare assignment?
Yes. Medicare's clinician data says Gregory Loeb 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 Gregory Loeb?
(540) 536-8700, as listed in official Medicare / NPI Registry data.
What is Gregory Loeb's NPI number?
1649732215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory Loeb works

Medicare's Facility Affiliation Data lists Gregory Loeb 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 Gregory Loeb is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory Loeb as a member of these groups (CMS data updated 2026-10-02).

  • Winchester Medical Center317 clinicians in the group
  • Warren Memorial Hospital, Inc.119 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Virginia →

Other emergency medicine doctors in Winchester

Clinicians with the same Medicare primary specialty in Winchester, VA — not a recommendation.

All emergency medicine doctors in Winchester →

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)1649732215
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