Quick answers
- Which hospitals does Tangel Chang work at?
- Medicare's official clinician data lists Tangel Chang at 2 hospitals: Community Hospital of the Monterey Peninsula and Good Samaritan Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tangel Chang see patients?
- Medicare's clinician data lists 2 practice locations, including Los Gatos, CA and Monterey, CA. Call before your visit to confirm the address.
- What is Tangel Chang's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Tangel Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Tangel Chang 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 Tangel Chang?
- (831) 375-4105, as listed in official Medicare / NPI Registry data.
- What is Tangel Chang's NPI number?
- 1306194915. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tangel Chang works
Medicare's Facility Affiliation Data lists Tangel Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Hospital of the Monterey PeninsulaMonterey, CA · Acute Care Hospital · CCN 050145
- Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · CCN 050380
Practice locations
Addresses where Tangel Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 15400 National Ave, Suite 100Los Gatos, CA 95032 (831) 375‑4105
- 23625 Holman HwyMonterey, CA 93940 (831) 624‑5311
Group practices
Medicare enrollment lists Tangel Chang as a member of these groups (CMS data updated 2026-10-02).
- Community Hospital of the Monterey Peninsula146 clinicians in the group
- Monterey Bay Oncology a Medical Corporation16 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306194915 |
| 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