Olesya Brissey, M.D.
NPI 1891192969ActiveIndividual· Internal Medicine· Lompoc, CA
Internal Medicine (M.D.) with Caduceus Physicians Medical Group and 1 other group, practicing in Lompoc, California. Their prescriptions cost Medicare Part D more than their services did: $364,817 for 3,922 claims, against $44,015 paid for services in 2024. Lists Providence St. Jude Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1891192969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 4, 2014 |
| Last updated in NPPES | Nov 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 132988 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 128 |
|---|---|
| Services billed | 470 across 19 procedure codes |
| Paid by Medicare | $44,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,922 · 9,287 30-day fills |
|---|---|
| Patients | 345 |
| Total drug cost | $364,817 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Caduceus Physicians Medical GroupYorba Linda, CA · 22 clinicians
- Anchor Medical GroupYorba Linda, CA · 20 clinicians
Hospital affiliations
- Providence St. Jude Medical CenterFullerton, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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