Quick answers
- Which hospitals does Andrew K. Chinnock work at?
- Medicare's official clinician data lists Andrew K. Chinnock at 5 hospitals: Adventist Health Clearlake, Adventist Health St Helena, Adventist Health Ukiah Valley, Providence Queen of the Valley Medical Center and Sutter Lakeside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew K. Chinnock see patients?
- Medicare's clinician data lists 2 practice locations, including Napa, CA and Clearlake, CA. Call before your visit to confirm the address.
- What is Andrew K. Chinnock's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Andrew K. Chinnock accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew K. Chinnock 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 Andrew K. Chinnock?
- (707) 253-1036, as listed in official Medicare / NPI Registry data.
- What is Andrew K. Chinnock's NPI number?
- 1174844674. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew K. Chinnock works
Medicare's Facility Affiliation Data lists Andrew K. Chinnock at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · CCN 051317
- Adventist Health St HelenaSaint Helena, CA · Acute Care Hospital · CCN 050013
- Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · CCN 050301
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · CCN 050009
- Sutter Lakeside HospitalLakeport, CA · Critical Access Hospital · CCN 051329
Practice locations
Addresses where Andrew K. Chinnock is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Trancas St, Suite 240Napa, CA 94558 (707) 253‑1036
- 15630 18th AveClearlake, CA 95422 (707) 994‑6486
Group practices
Medicare enrollment lists Andrew K. Chinnock as a member of these groups (CMS data updated 2026-10-02).
- Adventist Health Physicians Network628 clinicians in the group
- Adventist Health Clearlake Hospital Inc.87 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Napa
Clinicians with the same Medicare primary specialty in Napa, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174844674 |
| 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