A. Lyle Rosenfield, M.D.
NPI 1588648968ActiveIndividual· Orthopaedic Surgery· La Jolla, CA
Orthopaedic Surgery (M.D.) in La Jolla, California, trained at University of Arizona College of Medicine (class of 1988). Medicare paid $202,206 for services to 423 patients in 2024. Stryker Corporation was the largest of 6 companies reporting payments in 2025, $151.85 in all, mostly food and beverage.
Overview
| NPI | 1588648968 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 30, 2005 |
| Last updated in NPPES | May 2, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G75293 | 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 | 423 |
|---|---|
| Services billed | 16,332 across 54 procedure codes |
| Paid by Medicare | $202,206 |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- On Call Specialists Medical Group of San Diego IncSan Diego, CA · 144 clinicians
- Girard Orthopaedic Surgeons Medical Group IncLa Mesa, CA · 9 clinicians
Hospital affiliation
- Scripps Mercy HospitalSan Diego, CA
Other facilities
- Lorian HealthHome health agency · San Diego, CA
Industry payments (Open Payments)
- 2025$151.85 · 7 payments from 6 companies
- 2024$66.26 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $58.22 | 2 |
| Pacira Pharmaceuticals Incorporated | $21.48 | 1 |
| Amgen Inc. | $21.06 | 1 |
| Fidia Pharma USA Inc. | $19.57 | 1 |
| Bone Support Inc. | $17.14 | 1 |
What the 2025 payments were for
- Food and Beverage$151.85 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 orthopedic surgeons in La Jolla · All orthopedic surgeons in California