Jan Vargas Machaj, MD
NPI 1225323488ActiveIndividual· Neurological Surgery· Greenville, SC
Neurological Surgery (MD) in Greenville, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 2011). Mostly services rather than prescriptions: Medicare paid $59,664 for 123 patients in 2024, with only 11 Part D claims. Medical Device Business Services, Inc. was the largest of 13 companies reporting payments in 2025, $11,930 in all, mostly travel and lodging.
Overview
| NPI | 1225323488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2011 |
| Last updated in NPPES | Nov 9, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MMD.33603 LL | SC |
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 - Neurosurgery (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 123 |
|---|---|
| Services billed | 288 across 35 procedure codes |
| Paid by Medicare | $59,664 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 11 30-day fills |
|---|---|
| Total drug cost | $20.16 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliations
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Oconee Memorial HospitalSeneca, SC
- Spartanburg Medical CenterSpartanburg, SC
Industry payments (Open Payments)
- 2025$11,930 · 70 payments from 13 companies
- 2024$7,174 · 52 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $3,691 | 7 |
| Microvention, Inc. | $3,437 | 5 |
| Imperative Care, Inc | $1,692 | 7 |
| Medtronic, Inc. | $1,567 | 26 |
| Qapel Medical Inc | $407.16 | 6 |
What the 2025 payments were for
- Travel and Lodging$4,267 · 20 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,000 · 2 payments
- Food and Beverage$2,617 · 46 payments
- Consulting Fee$2,046 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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