Quick answers
- Which hospitals does Brian N. Mason work at?
- Medicare's official clinician data lists Brian N. Mason at 3 hospitals: Community Hospital of Huntington Park, East Los Angeles Doctors Hospital and Memorial Hospital of Gardena. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian N. Mason see patients?
- Medicare's clinician data lists 5 practice locations, including Collierville, TN, S El Monte, CA and Santa Ana, CA. Call before your visit to confirm the address.
- What is Brian N. Mason's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Brian N. Mason accept Medicare assignment?
- Yes. Medicare's clinician data says Brian N. Mason 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 Brian N. Mason?
- (901) 861-9000, as listed in official Medicare / NPI Registry data.
- What is Brian N. Mason's NPI number?
- 1942889217. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian N. Mason works
Medicare's Facility Affiliation Data lists Brian N. Mason at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Hospital of Huntington ParkHuntington Park, CA · Acute Care Hospital · CCN 050091
- East Los Angeles Doctors HospitalLos Angeles, CA · Acute Care Hospital · CCN 050641
- Memorial Hospital of GardenaGardena, CA · Acute Care Hospital · CCN 050468
Practice locations
Addresses where Brian N. Mason is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 W Poplar AveCollierville, TN 38017 (901) 861‑9000
- 1701 Santa Anita AveS El Monte, CA 91733 (626) 579‑7777
- 2701 S Bristol StSanta Ana, CA 92704 (714) 754‑5454
- 6019 Walnut Grove RdMemphis, TN 38120 (901) 226‑5000
- 800 S Main StCorona, CA 92882 (951) 737‑4343
Group practices
Medicare enrollment lists Brian N. Mason as a member of these groups (CMS data updated 2026-10-02).
- Southeastern Physician Services PC593 clinicians in the group
- Hospitalist Group of Montebello Inc58 clinicians in the group
- Im-Fsr Inc31 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Collierville
Clinicians with the same Medicare primary specialty in Collierville, TN — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942889217 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians