Christopher C. Ninh, MD
NPI 1700096393ActiveIndividual· Orthopaedic Surgery· Irvine, CA
Orthopaedic Surgery (MD) in Irvine, California, trained at University of California, Irvine, California College of Medicine (class of 2002). 560 Medicare patients in 2024, $420,068 paid; all of their 751 Part D prescriptions were generic. Bard Peripheral Vascular, Inc. was the largest of 8 companies reporting payments in 2025, $35,233 in all, mostly device and supply loans.
Overview
| NPI | 1700096393 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Feb 19, 2026 |
| Certified by provider | Feb 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A98528 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 560 |
|---|---|
| Services billed | 7,254 across 80 procedure codes |
| Paid by Medicare | $420,068 |
Part D prescriptions in 2024
| Prescriptions (claims) | 751 · 775 30-day fills |
|---|---|
| Patients | 324 |
| Total drug cost | $25,236 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Christopher C Ninh MD, IncWestminster, CA · 5 clinicians
Hospital affiliations
- Chapman Global Medical CenterOrange, CA
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Providence St. Joseph HospitalOrange, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Alta Home Health Care Services, Inc.Home health agency · Garden Grove, CA
- Grandcare Home Health ServicesHome health agency · Pasadena, CA
- Paramount Home CareHome health agency · Stanton, CA
Industry payments (Open Payments)
- 2025$35,233 · 38 payments from 8 companies
- 2024$1,761 · 47 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bard Peripheral Vascular, Inc. | $32,400 | 1 |
| Stryker Corporation | $1,734 | 18 |
| Depuy Synthes Sales Inc. | $460.77 | 7 |
| Smith+nephew, Inc. | $303.01 | 6 |
| Zimmer Biomet Holdings, Inc. | $146.08 | 3 |
What the 2025 payments were for
- Long term medical supply or device loan$32,400 · 1 payment
- Food and Beverage$1,869 · 32 payments
- Travel and Lodging$964.92 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 orthopedic surgeons in Irvine · All orthopedic surgeons in California