Quick answers
- Which hospitals does Heather Maoz work at?
- Medicare's official clinician data lists Heather Maoz at 2 hospitals: Adventist Health Simi Valley and Martin Luther King, Jr. Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Heather Maoz see patients?
- Medicare's clinician data lists 2 practice locations, including Los Angeles, CA and Simi Valley, CA. Call before your visit to confirm the address.
- What is Heather Maoz's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Heather Maoz accept Medicare assignment?
- Yes. Medicare's clinician data says Heather Maoz 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 Heather Maoz?
- (424) 338-8000, as listed in official Medicare / NPI Registry data.
- What is Heather Maoz's NPI number?
- 1033738539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Heather Maoz works
Medicare's Facility Affiliation Data lists Heather Maoz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- Martin Luther King, Jr. Community HospitalLos Angeles, CA · Acute Care Hospital · CCN 050779
Practice locations
Addresses where Heather Maoz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1680 E 120th StLos Angeles, CA 90059 (424) 338‑8000
- 2975 Sycamore DrSimi Valley, CA 93065 (805) 955‑6000
Group practices
Medicare enrollment lists Heather Maoz as a member of these groups (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Superior Hospitalist Medical Group Inc75 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033738539 |
| 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