Michael J. Dorsi, MD
NPI 1942355854ActiveIndividual· Neurological Surgery· Thousand Oaks, CA
Neurological Surgery (MD) in Thousand Oaks, California, trained at Johns Hopkins University School of Medicine (class of 2004). Mostly services rather than prescriptions: Medicare paid $123,850 for 360 patients in 2024, with only 11 Part D claims. Globus Medical, Inc. was the largest of 25 companies reporting payments in 2025, $63,122 in all, mostly consulting fees.
Overview
| NPI | 1942355854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Sep 24, 2020 |
| Certified by provider | Sep 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A116011 | CA |
| Neurological Surgery | 207T00000X | P19058 | MD |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 360 |
|---|---|
| Services billed | 603 across 52 procedure codes |
| Paid by Medicare | $123,850 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 11 30-day fills |
|---|---|
| Total drug cost | $82.90 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaLos Angeles, CA · 42 clinicians
Hospital affiliations
- Community Memorial Hospital - VenturaVentura, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- UCLA West Valley Medical CenterWest Hills, CA
Industry payments (Open Payments)
- 2025$63,122 · 195 payments from 25 companies
- 2024$98,979 · 262 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Globus Medical, Inc. | $21,903 | 124 |
| Ferring Pharmaceuticals Inc. | $17,194 | 3 |
| Saluda Medical Americas, Inc. | $9,169 | 6 |
| Biotronik Nro, Inc. | $8,353 | 21 |
| The Institute of Musculoskeletal Science and Education | $3,571 | 2 |
What the 2025 payments were for
- Consulting Fee$39,173 · 9 payments
- Food and Beverage$9,171 · 159 payments
- Compensation for serving as faculty or as a speaker for a medical education program$6,806 · 3 payments
- Travel and Lodging$4,400 · 22 payments
- Royalty or License$3,571 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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