Christopher Aou, DO
NPI 1164422671ActiveIndividual· Family Medicine· Fullerton, CA
Family Medicine (DO) in Fullerton, California, trained at College of Osteo Med of the Pacific at Pomona (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $339,528 for 4,834 claims, against $51,206 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 2 companies reporting payments in 2025, $217.62 in all, mostly food and beverage.
Overview
| NPI | 1164422671 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Oct 14, 2021 |
| Certified by provider | Oct 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A7260 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 669 across 38 procedure codes |
| Paid by Medicare | $51,206 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,834 · 11,826 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $339,528 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | College of Osteo Med of the Pacific at Pomona |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Other facilities
- Providence at Home With Compassus Home Health, Inland EmpireHome health agency · Pomona, CA
Industry payments (Open Payments)
- 2025$217.62 · 2 payments from 2 companies
- 2024$240.11 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $121.37 | 1 |
| Dexcom, Inc. | $96.25 | 1 |
What the 2025 payments were for
- Food and Beverage$217.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 family medicine physicians in Fullerton · All family medicine physicians in California