Quick answers
- Which hospitals does Brooke Harmssen work at?
- Medicare's official clinician data lists Brooke Harmssen at 5 hospitals: Adventist Health Simi Valley, Glendale Adventist Medical Center, Kaiser Foundation Hospital - Los Angeles, Providence Saint Joseph Medical Ctr and USC Verdugo Hills Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brooke Harmssen see patients?
- Medicare's clinician data lists 1 practice location in Glendale, CA. Call before your visit to confirm the address.
- What is Brooke Harmssen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Brooke Harmssen accept Medicare assignment?
- Yes. Medicare's clinician data says Brooke Harmssen 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 Brooke Harmssen?
- (818) 863-4000, as listed in official Medicare / NPI Registry data.
- What is Brooke Harmssen's NPI number?
- 1083110456. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brooke Harmssen works
Medicare's Facility Affiliation Data lists Brooke Harmssen 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
- Glendale Adventist Medical CenterGlendale, CA · Acute Care Hospital · CCN 050239
- Kaiser Foundation Hospital - Los AngelesLos Angeles, CA · Acute Care Hospital · CCN 050138
- Providence Saint Joseph Medical CtrBurbank, CA · Acute Care Hospital · CCN 050235
- USC Verdugo Hills HospitalGlendale, CA · Acute Care Hospital · CCN 050124
Practice locations
Addresses where Brooke Harmssen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1509 Wilson TerGlendale, CA 91206 (818) 863‑4000
Group practices
Medicare enrollment lists Brooke Harmssen as a member of these groups (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Glendale Adventist Emergency Physicians Incorporated26 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Glendale
Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un College Of Osteopathic Medicine, Vallejo |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083110456 |
| 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