Dr. Tyler Koski, MD
What this data tells you about Dr. Koski
Dr. Tyler Koski is a neurological surgery specialist in Chicago, IL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Koski performed 1,299 Medicare services across 855 unique beneficiaries.
Between the years covered by Open Payments, Dr. Koski received a total of $1,955,492 from 15 pharmaceutical and/or device companies across 320 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurological surgery. The majority of payments are classified as financial or ownership interests (royalties, licensing fees, or investment interests). Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Koski is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Spinal fusion of additional segment A surgical procedure to join an additional section of the spine to the existing fusion. This is performed as a separate or subsequent step to stabilize more of the spinal column. |
334 | $366 | $3,905 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
137 | $98 | $323 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
128 | $124 | $505 |
| Additional spine bone segment removal Surgical removal of an additional segment of bone from the spine during the same procedure. |
113 | $339 | $3,732 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
109 | $67 | $219 |
| Spine fusion with cage or mesh device insertion A surgical procedure to fuse spine bones by inserting a cage or mesh device into the disc space. |
95 | $245 | $1,630 |
| Computer-assisted spinal procedure A surgical or diagnostic procedure involving the spine that utilizes computer technology to assist with planning, navigation, or execution. |
45 | $224 | $1,545 |
| Aspiration of bone marrow for spine bone graft | 42 | $66 | $387 |
| Harvest of bone fragment for spine bone graft A surgical procedure to remove a piece of bone from the patient's body to be used as a graft during spine surgery. |
41 | $157 | $1,769 |
| Lower spine bone segment removal A surgical procedure to cut into or remove a segment of bone from the lower spine. |
34 | $731 | $12,235 |
| Lower back spinal fusion with bone and disc removal A surgical procedure to fuse vertebrae in the lower back. It involves removing part of the spine bone and a disc to stabilize the area. |
33 | $1,641 | $11,328 |
| Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc | 27 | $379 | $2,536 |
| Spinal stabilization device placement, 3-6 segments Surgical placement of a device to stabilize three to six vertebrae in the back. |
25 | $727 | $9,515 |
| Insertion of instrumentation to pelvic bones A surgical procedure involving the placement of hardware or devices into the pelvic bones. |
24 | $338 | $5,443 |
| Spinal fusion exploration A surgical procedure to examine the site of a previous spinal fusion. The surgeon inspects the area to assess the status of the fusion and surrounding structures. |
18 | $367 | $9,369 |
| Spinal fusion of neck, posterior approach A surgical procedure to join two or more vertebrae in the cervical spine using a back approach to stabilize the neck. |
16 | $852 | $11,170 |
| Spinal fusion with partial bone and disc removal A surgical procedure to join additional segments of the spine. It involves the partial removal of spine bone and disc tissue. |
16 | $462 | $3,750 |
| Spinal fusion with disc removal and nerve release, 1 disc This surgery connects two or more vertebrae in the upper spine to stabilize the area. It involves removing a damaged disc and relieving pressure on the spinal cord or nerve. |
15 | $1,509 | $10,983 |
| Spinal stabilization device placement, 7-12 segments Surgical placement of a device to stabilize the back involving 7 to 12 spine bone segments. |
14 | $778 | $8,829 |
| Spinal stabilization device placement, 13+ segments Surgical placement of a device to stabilize the spine involving 13 or more vertebral segments. |
11 | $926 | $12,196 |
| Spinal stabilization device placement, 2-3 segments Surgical placement of a device to stabilize the front of two to three spinal segments. |
11 | $694 | $9,929 |
| Spinal stabilization device placement, 4-7 segments Surgical placement of a device to stabilize the front of the spine across four to seven bone segments. |
11 | $723 | $7,599 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Payments are distributed across multiple categories with no single dominant type. Total industry engagement is in the top 0% for neurological surgery in IL.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Koski is a clinical cardiology specialist, with above-average Medicare volume (top 5% in IL), with mixed engagement industry engagement in the top 0% of IL peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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