Merlin J. Hamer, M.D.
NPI 1124233820ActiveIndividual· Orthopaedic Surgery, Hand Surgery· La Jolla, CA
Orthopaedic Surgery, Hand Surgery (M.D.) in La Jolla, California, trained at Georgetown University School of Medicine (class of 2002). Mostly services rather than prescriptions: Medicare paid $271,748 for 1,064 patients in 2024, with only 44 Part D claims. Sonex Health, Inc. reported $593.87 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1124233820 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 14, 2007 |
| Last updated in NPPES | Jun 13, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | A105394 | CA |
| Orthopaedic Surgery | 207X00000X | A105394 | 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 - Hand Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,064 |
|---|---|
| Services billed | 3,929 across 58 procedure codes |
| Paid by Medicare | $271,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 44 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $121.49 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hand Surgery |
| Secondary specialties | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$593.87 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sonex Health, Inc. | $593.87 | 4 |
What the 2025 payments were for
- Food and Beverage$593.87 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Hand Surgery providers in La Jolla
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- 1356313167
All Orthopaedic Surgery, Hand Surgery providers in California →