Japa Volchok, D.O.
NPI 1417011511ActiveIndividual· Surgery· Las Vegas, NV
Surgery (D.O.) in Las Vegas, Nevada, trained at University of New England, College of Osteo Medicine (class of 2003). 28 Medicare patients in 2024, $144,621 paid; nearly all of their 88 Part D prescriptions were generic (97%). W. L. Gore & Associates, Inc. was the largest of 5 companies reporting payments in 2025, $244.91 in all, mostly food and beverage.
Overview
| NPI | 1417011511 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Dec 21, 2006 |
| Last updated in NPPES | Jun 13, 2024 |
| Certified by provider | Jun 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | DO2814 | NV |
| Surgery | 208600000X | 230726 | MA |
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 - Family Practice (DC); Practitioner - General Practice (NV); Practitioner - Family Practice (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 278 across 21 procedure codes |
| Paid by Medicare | $144,621 |
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 92 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $3,989 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of New England, College of Osteo Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | General Practice |
Medical group
- Naz Wahab MD PCLas Vegas, NV · 14 clinicians
Industry payments (Open Payments)
- 2025$244.91 · 6 payments from 5 companies
- 2024$867.50 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $93.12 | 1 |
| Chiesi USA, Inc. | $68.36 | 2 |
| Mimedx Group, Inc. | $39.59 | 1 |
| Tandem Diabetes Care, Inc. | $29.55 | 1 |
| Abbott Laboratories | $14.29 | 1 |
What the 2025 payments were for
- Food and Beverage$205.91 · 5 payments
- Education$39.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 174 general surgeons in Las Vegas · All general surgeons in Nevada