Ernesto P. Gidaya, MD
NPI 1003873522ActiveIndividual· Anesthesiology· Anaheim, CA
Anesthesiology (MD) with Anesthesia Specialists of Orange County Inc, practicing in Anaheim, California. Medicare paid $14,568 for services to 56 patients in 2024. Fisher & Paykel Healthcare Inc was the largest of 3 companies reporting payments in 2025, $315.06 in all, mostly food and beverage. Lists Ahmc Anaheim Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1003873522 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Aug 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A38770 | 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 | 56 |
|---|---|
| Services billed | 102 across 32 procedure codes |
| Paid by Medicare | $14,568 |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Anesthesia Specialists of Orange County IncAnaheim, CA · 16 clinicians
Hospital affiliation
- Ahmc Anaheim Regional Medical CenterAnaheim, CA
Industry payments (Open Payments)
- 2025$315.06 · 8 payments from 3 companies
- 2024$93.85 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fisher & Paykel Healthcare Inc | $202.97 | 3 |
| Merck Sharp & Dohme LLC | $65.85 | 3 |
| Medtronic, Inc. | $46.24 | 2 |
What the 2025 payments were for
- Food and Beverage$315.06 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 70 anesthesiologists in Anaheim · All anesthesiologists in California