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Orthopedic Surgery

Gabriel Mason, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Gabriel Mason, MD (Orthopedic Surgery) is listed by Medicare at 2 hospitals in Baltimore, MD. NPI 1174144760. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gabriel Mason, 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

Orthopedic SurgeryPrimary specialty
May acceptAccepts Medicare assignment
6Years since medical school (graduated 2020)
University Of North Carolina At Chapel Hill School Of MedicineMedical school
MaleGender (as listed)
Johns Hopkins UniversityGroup practice

Quick answers

Which hospitals does Gabriel Mason work at?
Medicare's official clinician data lists Gabriel Mason at 2 hospitals: Johns Hopkins Bayview Medical Center and The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gabriel Mason see patients?
Medicare's clinician data lists 7 practice locations, including Baltimore, MD, Columbia, MD and Middle River, MD. Call before your visit to confirm the address.
What is Gabriel Mason's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Gabriel Mason accept Medicare assignment?
Medicare's clinician data says Gabriel Mason may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Gabriel Mason?
(410) 502-4340, as listed in official Medicare / NPI Registry data.
What is Gabriel Mason's NPI number?
1174144760. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gabriel Mason works

Medicare's Facility Affiliation Data lists Gabriel Mason 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 Gabriel Mason is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Maryland →

Other orthopedic surgeons in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All orthopedic surgeons in Baltimore →

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year2020
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1174144760
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