Karen L. Fields, MD
NPI 1497779656ActiveIndividual· Internal Medicine· Camarillo, CA
Internal Medicine (MD) in Camarillo, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $66,082 for 1,095 claims, against $9,967 paid for services in 2024. Lists Community Memorial Hospital - Ventura as a hospital affiliation.
Overview
| NPI | 1497779656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Sep 14, 2023 |
| Certified by provider | Sep 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A45315 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 88 across 6 procedure codes |
| Paid by Medicare | $9,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,095 · 1,235 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $66,082 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Community Memorial Hospital - VenturaVentura, CA
Other facilities
- Full Care Hospice and Palliative Care Inc.Hospice · Thousand Oaks, CA
- Neighbor Care HospiceHospice · Thousand Oaks, CA
- Roze Room Hospice of VenturaHospice · Ventura, CA
- Maywood Acres HealthcareNursing home · Oxnard, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Camarillo
- 1063633170
- 1104914019
- 1194750612
- 1255836490
- 1255892923
- 1407870652
- 1417995754
- 1700855145
- 1770528028
- 1790137388
- 1801044839
- 1932148525
All 38 internal medicine physicians in Camarillo · All internal medicine physicians in California