Justin Lee Massengale, M.D.
NPI 1003096736ActiveIndividual· Neurological Surgery· Fresno, CA
Neurological Surgery (M.D.) in Fresno, California, trained at Stanford University School of Medicine (class of 2001). 242 Medicare patients in 2024, $69,748 paid; all of their 254 Part D prescriptions were generic. Ossdsign USA Incorporated was the largest of 4 companies reporting payments in 2025, $529.80 in all, mostly food and beverage.
Overview
| NPI | 1003096736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 9, 2007 |
| Last updated in NPPES | Mar 5, 2025 |
| Certified by provider | Mar 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 238944 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (CA); Practitioner - Neurosurgery (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 242 |
|---|---|
| Services billed | 460 across 50 procedure codes |
| Paid by Medicare | $69,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 254 · 260 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $3,474 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - FresnoFresno, CA
Industry payments (Open Payments)
- 2025$529.80 · 5 payments from 4 companies
- 2024$510.31 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ossdsign USA Incorporated | $228.92 | 2 |
| Providence Medical Technology, Inc. | $219.41 | 1 |
| Globus Medical, Inc. | $64.88 | 1 |
| Acuity Surgical Devices, LLC | $16.59 | 1 |
What the 2025 payments were for
- Food and Beverage$529.80 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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