Henry Markley Gass IV, M.D.
NPI 1346637949ActiveIndividual· Orthopaedic Surgery· Tustin, CA
Orthopaedic Surgery (M.D.) in Tustin, California, licensed in CA, with an NPI issued in April 2015. Arthrex, Inc. was the largest of 6 companies reporting payments in 2025, $26,570 in all, mostly grants.
Overview
| NPI | 1346637949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 21, 2015 |
| Last updated in NPPES | Aug 6, 2026 |
| Certified by provider | Aug 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A201942 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$26,570 · 36 payments from 6 companies
- 2024$544.55 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $20,000 | 1 |
| Zimmer Biomet Holdings, Inc. | $3,485 | 25 |
| Smith+nephew, Inc. | $2,652 | 3 |
| Stryker Corporation | $315.21 | 4 |
| Medtronic, Inc. | $80.80 | 2 |
What the 2025 payments were for
- Grant$22,500 · 2 payments
- Food and Beverage$2,688 · 28 payments
- Travel and Lodging$1,382 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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