Quick answers
- Does Maria G. Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says Maria G. Lopez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Maria G. Lopez's NPI number?
- 1134162290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria G. Lopez works
Medicare's Facility Affiliation Data lists Maria G. Lopez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- College Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050776
- Foothill Regional Medical CenterTustin, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050780
- Los Angeles Community HospitalLos Angeles, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050663
Practice locations
Addresses where Maria G. Lopez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1225 Wilshire BlvdLos Angeles, CA 90017 (213) 977‑2420
- 13222 Bloomfield AveNorwalk, CA 90650 (562) 863‑4763
- 14662 Newport AveTustin, CA 92780 (714) 619‑7700
- 2776 Pacific AveLong Beach, CA 90806 (562) 997‑2290
Group practices
Medicare enrollment lists Maria G. Lopez as a member of these groups (CMS data updated October 2, 2026).
- Can Emergency Physicians Medical Group Inc45 clinicians in the group
- California Hospitalists Emergency Physicians Medical Group Inc14 clinicians in the group
- Oc Emergency Physicians13 clinicians in the group
- Pacific Coast Emergency Medical Associates, Inc13 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Can Emergency Physicians Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134162290 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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