Quick answers
- Which hospitals does Erin D. Chamberlain work at?
- Medicare's official clinician data lists Erin D. Chamberlain at 5 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities, French Hospital Medical Center, Marian Regional Medical Center and Ronald Reagan UCLA Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erin D. Chamberlain see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Monica, CA and San Luis Obispo, CA. Call before your visit to confirm the address.
- What is Erin D. Chamberlain's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Erin D. Chamberlain accept Medicare assignment?
- Yes. Medicare's clinician data says Erin D. Chamberlain 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.
- Does Erin D. Chamberlain offer telehealth?
- Medicare's clinician data says Erin D. Chamberlain offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Erin D. Chamberlain?
- (310) 458-2381, as listed in official Medicare / NPI Registry data.
- What is Erin D. Chamberlain's NPI number?
- 1902249469. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erin D. Chamberlain works
Medicare's Facility Affiliation Data lists Erin D. Chamberlain at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Sierra VistaSan Luis Obispo, CA · Acute Care Hospital · CCN 050506
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · CCN 050633
- French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · CCN 050232
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · CCN 050107
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
Practice locations
Addresses where Erin D. Chamberlain is enrolled with Medicare (CMS data updated 2026-10-02).
- 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
- 892 Aerovista Pl, Suite 240San Luis Obispo, CA 93401 (805) 541‑8252
Group practices
Medicare enrollment lists Erin D. Chamberlain as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902249469 |
| 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