Christopher David Hamilton, M.D.
NPI 1598795130ActiveIndividual· Orthopaedic Surgery· Bakersfield, CA
Orthopaedic Surgery (M.D.) in Bakersfield, California, trained at University of California, Geffen School of Medicine (class of 1988). 210 Medicare patients in 2024, $101,578 paid; all of their 142 Part D prescriptions were generic. Shoulder Innovations, Inc. was the largest of 3 companies reporting payments in 2025, $1,728 in all, mostly travel and lodging.
Overview
| NPI | 1598795130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Apr 16, 2025 |
| Certified by provider | Apr 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G76486 | CA |
| Orthopaedic Surgery, Sports Medicine | 207XX0005X | G76486 | CA |
| Orthopaedic Surgery, Foot and Ankle Surgery | 207XX0004X | G76486 | 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 | 210 |
|---|---|
| Services billed | 807 across 36 procedure codes |
| Paid by Medicare | $101,578 |
Part D prescriptions in 2024
| Prescriptions (claims) | 142 · 161 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $1,283 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Regents of the University of CaliforniaLos Angeles, CA · 140 clinicians
Hospital affiliations
- Adventist Health BakersfieldBakersfield, CA
- Bakersfield Memorial HospitalBakersfield, CA
- Kern Valley Healthcare DistrictLake Isabella, CA
Industry payments (Open Payments)
- 2025$1,728 · 5 payments from 3 companies
- 2024$2,565 · 19 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shoulder Innovations, Inc. | $1,460 | 3 |
| Smith+nephew, Inc. | $207.86 | 1 |
| Medtronic, Inc. | $60.26 | 1 |
What the 2025 payments were for
- Travel and Lodging$913.72 · 1 payment
- Food and Beverage$790.80 · 3 payments
- Gift$23.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 orthopedic surgeons in Bakersfield · All orthopedic surgeons in California