James Saeyung Ahn, M.D.
NPI 1588641963ActiveIndividual· Anesthesiology· Corona, CA
Anesthesiology (M.D.) with Corona Anesthesia Group Inc, practicing in Corona, California. Medicare paid $11,047 for services to 66 patients in 2024. Lists Corona Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1588641963 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 28, 2005 |
| Last updated in NPPES | May 8, 2024 |
| Certified by provider | Jul 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | G84344 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 70 across 22 procedure codes |
| Paid by Medicare | $11,047 |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Corona Anesthesia Group IncCorona, CA · 28 clinicians
Hospital affiliation
- Corona Regional Medical CenterCorona, 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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