Zackary Douglas Vaughn, MD
NPI 1649305772ActiveIndividual· Orthopaedic Surgery· Santa Clara, CA
Orthopaedic Surgery (MD) in Santa Clara, California, trained at Saint Louis University School of Medicine (class of 2004). 363 Medicare patients in 2024, $133,305 paid; all of their 69 Part D prescriptions were generic. Djo, LLC reported $104.07 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1649305772 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 22, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A93305 | 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 | 363 |
|---|---|
| Services billed | 1,982 across 29 procedure codes |
| Paid by Medicare | $133,305 |
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 77 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $1,131 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$104.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Djo, LLC | $104.07 | 1 |
What the 2025 payments were for
- Food and Beverage$104.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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