Thaddeus O'Barr IV, M.D.
NPI 1609168814ActiveIndividual· Anesthesiology· Orange, CA
Anesthesiology (M.D.) in Orange, California, trained at University of California, Irvine, California College of Medicine (class of 2011). Medicare paid $45,009 for services to 209 patients in 2024.
Overview
| NPI | 1609168814 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 5, 2011 |
| Last updated in NPPES | Jun 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A124438 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 311 across 62 procedure codes |
| Paid by Medicare | $45,009 |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Anesthesiology |
Medical groups
- Orange Coast Anesthesia IncGlendale, CA · 87 clinicians
- Premiercare Anesthesia Fountain Valley IncFountain Valley, CA · 10 clinicians
- Clarity Anesthesia Medical GroupFoothill Ranch, CA · 2 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 312 anesthesiologists in Orange · All anesthesiologists in California