Kathleen A. Regacho, MD
NPI 1023331865ActiveIndividual· Emergency Medicine· Antioch, CA
Emergency Medicine (MD) in Antioch, California, trained at University of California, Irvine, California College of Medicine (class of 2008). 274 Medicare patients in 2024, $44,799 paid; nearly all of their 149 Part D prescriptions were generic (92%).
Overview
| NPI | 1023331865 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 8, 2010 |
| Last updated in NPPES | Jan 24, 2022 |
| Certified by provider | Jan 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A110697 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 274 |
|---|---|
| Services billed | 452 across 14 procedure codes |
| Paid by Medicare | $44,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 149 · 155 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $4,429 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
Hospital affiliations
- Kaiser Foundation Hospital - San FranciscoSan Francisco, CA
- Sutter Delta Medical CenterAntioch, CA
- UCSF Health Saint Francis HospitalSan Francisco, CA
- UCSF Health St. Mary's HospitalSan Francisco, 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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All 26 emergency medicine physicians in Antioch · All emergency medicine physicians in California