Quick answers
- Which hospitals does Amber Chatwin work at?
- Medicare's official clinician data lists Amber Chatwin at 3 hospitals: Adventist Health and Rideout, Adventist Health Clearlake and Adventist Health Ukiah Valley. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Amber Chatwin see patients?
- Medicare's clinician data lists 4 practice locations, including Clearlake, CA, Susanville, CA and Marysville, CA. Call before your visit to confirm the address.
- What is Amber Chatwin's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Hand Surgery.
- Does Amber Chatwin accept Medicare assignment?
- Yes. Medicare's clinician data says Amber Chatwin 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 Amber Chatwin?
- (707) 994-6486, as listed in official Medicare / NPI Registry data.
- What is Amber Chatwin's NPI number?
- 1669582433. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Amber Chatwin works
Medicare's Facility Affiliation Data lists Amber Chatwin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · CCN 050133
- Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · CCN 051317
- Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · CCN 050301
Practice locations
Addresses where Amber Chatwin is enrolled with Medicare (CMS data updated 2026-10-02).
- 15630 18th AveClearlake, CA 95422 (707) 994‑6486
- 1800 Spring Ridge DrSusanville, CA 96130 (530) 252‑2000
- 414 G St, Suite 120Marysville, CA 95901 (530) 749‑4304
- 726 4th StMarysville, CA 95901 (530) 749‑4300
Group practices
Medicare enrollment lists Amber Chatwin as a member of these groups (CMS data updated 2026-10-02).
- Acute Care Surgery Medical Group Inc204 clinicians in the group
- Adventist Health Clearlake Hospital Inc.87 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Hand Surgeryalso
Other orthopedic surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669582433 |
| 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