Gregory D. Carlson, M.D.
NPI 1215924329ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Orange, CA
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (M.D.) in Orange, California, trained at Loma Linda University School of Medicine (class of 1987). 379 Medicare patients in 2024, $434,255 paid; all of their 450 Part D prescriptions were generic. Globus Medical, Inc. was the largest of 8 companies reporting payments in 2025, $991.78 in all, mostly food and beverage.
Overview
| NPI | 1215924329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Mar 22, 2022 |
| Certified by provider | Mar 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | G65319 | CA |
| Orthopaedic Surgery | 207X00000X | G65319 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 379 |
|---|---|
| Services billed | 2,647 across 109 procedure codes |
| Paid by Medicare | $434,255 |
Part D prescriptions in 2024
| Prescriptions (claims) | 450 · 511 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $5,658 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Spine and Sports Specialities Medical GroupOrange, CA · 14 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence St. Joseph HospitalOrange, CA
- Providence St. Jude Medical CenterFullerton, CA
Other facilities
- Grandcare Home Health ServicesHome health agency · Pasadena, CA
- Hollywood Home Health ServicesHome health agency · N Hollywood, CA
- N & D Healthcare Services IncHome health agency · Pasadena, CA
Industry payments (Open Payments)
- 2025$991.78 · 35 payments from 8 companies
- 2024$1,086 · 32 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Globus Medical, Inc. | $649.49 | 25 |
| Integra Lifesciences Corporation | $189.17 | 4 |
| Ethicon US, LLC | $38.30 | 1 |
| Fidia Pharma USA Inc. | $31.64 | 1 |
| Medtronic, Inc. | $24.36 | 1 |
What the 2025 payments were for
- Food and Beverage$991.78 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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