Quick answers
- Which hospitals does Karen A. Chestnut work at?
- Medicare's official clinician data lists Karen A. Chestnut at 3 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities and French Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen A. Chestnut see patients?
- Medicare's clinician data lists 2 practice locations, including Templeton, CA and Cambria, CA. Call before your visit to confirm the address.
- What is Karen A. Chestnut's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Karen A. Chestnut accept Medicare assignment?
- Yes. Medicare's clinician data says Karen A. Chestnut 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 Karen A. Chestnut offer telehealth?
- Medicare's clinician data says Karen A. Chestnut offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Karen A. Chestnut?
- (805) 835-5261, as listed in official Medicare / NPI Registry data.
- What is Karen A. Chestnut's NPI number?
- 1144577347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen A. Chestnut works
Medicare's Facility Affiliation Data lists Karen A. Chestnut 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
Practice locations
Addresses where Karen A. Chestnut is enrolled with Medicare (CMS data updated 2026-10-02).
- 1051 Las Tablas RdTempleton, CA 93465
- 6855 Kathryn DrCambria, CA 93428 (805) 835‑5261
Group practices
Medicare enrollment lists Karen A. Chestnut as a member of these groups (CMS data updated 2026-10-02).
- David B. Hammer123 clinicians in the group
- Richard David Griffith MD Inc3 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Templeton
Clinicians with the same Medicare primary specialty in Templeton, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144577347 |
| 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