Fabio Grassia, MD
NPI 1275141756ActiveIndividual· Neurological Surgery· Aurora, CO
Neurological Surgery (MD) with Denver Health and Hospital Authority, practicing in Aurora, Colorado. Medicare paid $13,566 for services to 26 patients in 2024. Livanova USA, Inc. was the largest of 7 companies reporting payments in 2025, $2,738 in all, mostly food and beverage. Lists Denver Health & Hospital Authority as a hospital affiliation.
Overview
| NPI | 1275141756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 21, 2020 |
| Last updated in NPPES | Dec 3, 2021 |
| Certified by provider | Dec 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | TDP.0041934 | CO |
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 - Neurosurgery (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 42 across 19 procedure codes |
| Paid by Medicare | $13,566 |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Neurosurgery |
Medical group
- Denver Health and Hospital AuthorityDenver, CO · 849 clinicians
Hospital affiliation
- Denver Health & Hospital AuthorityDenver, CO
Industry payments (Open Payments)
- 2025$2,738 · 19 payments from 7 companies
- 2024$1,127 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Livanova USA, Inc. | $1,515 | 8 |
| Stryker Corporation | $529.45 | 4 |
| Medtronic, Inc. | $281.83 | 2 |
| Depuy Synthes Sales Inc. | $207.65 | 2 |
| Longeviti Neuro Solutions Inc | $101.93 | 1 |
What the 2025 payments were for
- Food and Beverage$1,756 · 18 payments
- Travel and Lodging$982.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 neurosurgeons in Aurora · All neurosurgeons in Colorado