Quick answers
- Which hospitals does Gregory J. Lopez work at?
- Medicare's official clinician data lists Gregory J. Lopez at 2 hospitals: Multicare Auburn Medical Center and Snoqualmie Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory J. Lopez see patients?
- Medicare's clinician data lists 2 practice locations, including Auburn, WA and Snoqualmie, WA. Call before your visit to confirm the address.
- What is Gregory J. Lopez's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Gregory J. Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Lopez 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 J. Lopez?
- (253) 833-7711, as listed in official Medicare / NPI Registry data.
- What is Gregory J. Lopez's NPI number?
- 1437340213. 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 J. Lopez works
Medicare's Facility Affiliation Data lists Gregory J. Lopez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Multicare Auburn Medical CenterAuburn, WA · Acute Care Hospital · CCN 500015
- Snoqualmie Valley HospitalSnoqualmie, WA · Critical Access Hospital · CCN 501338
Practice locations
Addresses where Gregory J. Lopez is enrolled with Medicare (CMS data updated 2026-10-02).
- 202 N Division StAuburn, WA 98001 (253) 833‑7711
- 9801 Frontier Ave SESnoqualmie, WA 98065 (425) 831‑2313
Group practices
Medicare enrollment lists Gregory J. Lopez as a member of these groups (CMS data updated 2026-10-02).
- Public Hospital District No 4 King County Washington92 clinicians in the group
- Cascade Emergency Physicians Inc19 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Auburn
Clinicians with the same Medicare primary specialty in Auburn, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437340213 |
| 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