Robert James Katzer, M.D.
NPI 1467612580ActiveIndividual· Emergency Medicine· Orange, CA
Emergency Medicine (M.D.) in Orange, California, trained at Temple University School of Medicine (class of 2008). 430 Medicare patients in 2024, $57,033 paid; nearly all of their 227 Part D prescriptions were generic (93%).
Overview
| NPI | 1467612580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2008 |
| Last updated in NPPES | Jun 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A116544 | 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 | 430 |
|---|---|
| Services billed | 602 across 56 procedure codes |
| Paid by Medicare | $57,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 242 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $2,979 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Regents of the University ofOrange, CA · 129 clinicians
- Avalon Medical Development CorporationAvalon, CA · 30 clinicians
Hospital affiliation
- 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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All 181 emergency medicine physicians in Orange · All emergency medicine physicians in California