Robert Green Watkins IV, M.D.
Opted out of Medicare from November 2024 to November 2026. Orthopaedic Surgery, Orthopaedic Surgery of the Spine (M.D.) in Marina Del Rey, California, licensed in CA, with an NPI issued in February 2007. 380 Medicare patients in 2024, $133,480 paid; all of their 131 Part D prescriptions were generic. Xtant Medical Inc reported $2,675 in payments in 2025, mostly royalties and licenses.
Overview
| NPI | 1336288992 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 6, 2007 |
| Last updated in NPPES | Jun 10, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | A71307 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Nov 23, 2024 – Nov 23, 2026 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 380 |
|---|---|
| Services billed | 810 across 28 procedure codes |
| Paid by Medicare | $133,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 131 · 159 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $839.11 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$2,675 · 1 payment from 1 company
- 2024$1,075 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Xtant Medical Inc | $2,675 | 1 |
What the 2025 payments were for
- Royalty or License$2,675 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Orthopaedic Surgery of the Spine providers in Marina Del Rey
- 1255529129
- 1346762903
- 1629990452
- 1700602257
- 1427910355
- 1669984365
- 1891647483
- 1629235791
- 1164819207
- 1467575472
- 1831145937
- 1932423456
All Orthopaedic Surgery, Orthopaedic Surgery of the Spine providers in California →