Timothy Chryssikos, MD
NPI 1841673332ActiveIndividual· Neurological Surgery· San Francisco, CA
Neurological Surgery (MD) in San Francisco, California, trained at University of Maryland School of Medicine (class of 2015). Medicare paid $180,756 for services to 123 patients in 2024. Ge Healthcare was the largest of 8 companies reporting payments in 2025, $7,317 in all, mostly speaking and faculty fees.
Overview
| NPI | 1841673332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 2, 2015 |
| Last updated in NPPES | Jun 30, 2022 |
| Certified by provider | Jun 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A175606 | CA |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 123 |
|---|---|
| Services billed | 440 across 78 procedure codes |
| Paid by Medicare | $180,756 |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical groups
- Shock Trauma Associates PABaltimore, MD · 261 clinicians
- University of Maryland Neurosurgery Associates P ABaltimore, MD · 25 clinicians
Hospital affiliations
- Atlantic General HospitalBerlin, MD
- University of Maryland Medical CenterBaltimore, MD
Industry payments (Open Payments)
- 2025$7,317 · 34 payments from 8 companies
- 2024$13,476 · 38 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $3,275 | 4 |
| Si-Bone, Inc. | $1,627 | 6 |
| Medtronic, Inc. | $1,086 | 16 |
| Native Surgical, LLC | $547.23 | 2 |
| Globus Medical, Inc. | $283.37 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,200 · 3 payments
- Food and Beverage$2,499 · 25 payments
- Travel and Lodging$1,618 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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