Quick answers
- Which hospitals does Ann Z. Tan work at?
- Medicare's official clinician data lists Ann Z. Tan at 2 hospitals: Adventist Health White Memorial and Glendale Adventist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ann Z. Tan see patients?
- Medicare's clinician data lists 5 practice locations, including Glendale, CA, Los Angeles, CA and Woodland Hills, CA. Call before your visit to confirm the address.
- What is Ann Z. Tan's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Ann Z. Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Ann Z. Tan 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 Ann Z. Tan?
- (818) 409-8320, as listed in official Medicare / NPI Registry data.
- What is Ann Z. Tan's NPI number?
- 1093976938. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ann Z. Tan works
Medicare's Facility Affiliation Data lists Ann Z. Tan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health White MemorialLos Angeles, CA · Acute Care Hospital · CCN 050103
- Glendale Adventist Medical CenterGlendale, CA · Acute Care Hospital · CCN 050239
Practice locations
Addresses where Ann Z. Tan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1509 Wilson TerGlendale, CA 91206 (818) 409‑8320
- 1509 Wilson TerraceGlendale, CA 91206
- 1720 Cesar E Chaves AveLos Angeles, CA 90033 (323) 268‑5000
- 20350 Ventura Blvd, Suite 205Woodland Hills, CA 91364 (818) 718‑9510
- 2975 Sycamore DrSimi Valley, CA 93065 (805) 955‑6000
Group practices
Medicare enrollment lists Ann Z. Tan as a member of this group (CMS data updated 2026-10-02).
- Glendale Pathology Associates Medical Group of Glendale9 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Glendale
Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093976938 |
| 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