Quick answers
- Which hospitals does Erick M. O Brien work at?
- Medicare's official clinician data lists Erick M. O Brien at 2 hospitals: Banner - University Medical Center Phoenix and Dignity Health - Arizona General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erick M. O Brien see patients?
- Medicare's clinician data lists 4 practice locations, including Phoenix, AZ, Apache Junction, AZ and Laveen, AZ. Call before your visit to confirm the address.
- What is Erick M. O Brien's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Erick M. O Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Erick M. O Brien 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 Erick M. O Brien?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is Erick M. O Brien's NPI number?
- 1306232178. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erick M. O Brien works
Medicare's Facility Affiliation Data lists Erick M. O Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · CCN 030002
- Dignity Health - Arizona General HospitalLaveen, AZ · Acute Care Hospital · CCN 030136
Practice locations
Addresses where Erick M. O Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 E McDowell RdPhoenix, AZ 85006 (954) 939‑5000
- 2050 W Southern AveApache Junction, AZ 85120 (954) 939‑5000
- 7171 S 51st AveLaveen, AZ 85339 (888) 732‑3317
- 9130 E Elliot RdMesa, AZ 85212 (888) 732‑3317
Group practices
Medicare enrollment lists Erick M. O Brien as a member of these groups (CMS data updated 2026-10-02).
- Tec Emergency Physicians of Arizona, LLC153 clinicians in the group
- Emergency Professional Services PC108 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306232178 |
| 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