Quick answers
- Which hospitals does Karen L. Fields work at?
- Medicare's official clinician data lists Karen L. Fields at 1 hospital: Community Memorial Hospital - Ventura. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen L. Fields see patients?
- Medicare's clinician data lists 1 practice location in Camarillo, CA. Call before your visit to confirm the address.
- What is Karen L. Fields's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Karen L. Fields accept Medicare assignment?
- Yes. Medicare's clinician data says Karen L. Fields 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 Karen L. Fields?
- (818) 788-3308, as listed in official Medicare / NPI Registry data.
- What is Karen L. Fields's NPI number?
- 1497779656. 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 L. Fields works
Medicare's Facility Affiliation Data lists Karen L. Fields at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Memorial Hospital - VenturaVentura, CA · Acute Care Hospital · CCN 050394
Practice locations
Addresses where Karen L. Fields is enrolled with Medicare (CMS data updated 2026-10-02).
- 1601 Carmen Dr, Suite 106Camarillo, CA 93010 (818) 788‑3308
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Camarillo
Clinicians with the same Medicare primary specialty in Camarillo, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497779656 |
| 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