Marcus Mazur, M.D.
NPI 1104141647ActiveIndividual· Neurological Surgery· Torrance, CA
Neurological Surgery (M.D.) with Providence Saint Johns Medical Foundation, practicing in Torrance, California. Mostly services rather than prescriptions: Medicare paid $149,750 for 99 patients in 2024, with only 24 Part D claims. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $1,272 in all, mostly food and beverage. Lists Providence Little Co of Mary Med Ctr San Pedro and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1104141647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 27, 2010 |
| Last updated in NPPES | Jul 30, 2025 |
| Certified by provider | Jul 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | C200979 | CA |
| Neurological Surgery | 207T00000X | 8153504-1205 | UT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (CA); Practitioner - Neurosurgery (NV); Practitioner - Neurosurgery (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 470 across 75 procedure codes |
| Paid by Medicare | $149,750 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 24 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $751.23 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Neurosurgery |
Medical group
- Providence Saint Johns Medical FoundationSanta Monica, CA · 281 clinicians
Hospital affiliations
- Providence Little Co of Mary Med Ctr San PedroSan Pedro, CA
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Saint John's Health CenterSanta Monica, CA
Industry payments (Open Payments)
- 2025$1,272 · 20 payments from 3 companies
- 2024$3,849 · 27 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $675.24 | 13 |
| Globus Medical, Inc. | $512.44 | 5 |
| Stryker Corporation | $83.84 | 2 |
What the 2025 payments were for
- Food and Beverage$666.23 · 18 payments
- Travel and Lodging$605.29 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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