Medicare Enrolled

Dr. Tyler Koski, MD

Neurological Surgery · Chicago, IL
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
680 N LAKE SHORE DR, Chicago, IL 60611
3216959797
Registered in NPPES since 2006
NPI: 1124041603 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Koski from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Koski

Dr. Tyler Koski is a neurological surgery specialist in Chicago, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Koski performed 1,299 Medicare services in 2023. These records do not provide a deduplicated patient total.

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 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. 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.

✓ 20 years of NPI registration ▲ Top 5% volume in IL $1,955,492 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
1,299
Medicare services
Top 5% in IL for neurological surgery
Not available
Unique patients (not deduplicated)
$340
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

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
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
42.6% high complexity
0.0% medium
57.4% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$1,955,492
Total received (2018-2024)
Avg $279,356/year across 7 years
Top 0% in IL for neurological surgery
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
15
Companies
320
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$385,358
2023
$344,340
2022
$145,502
2021
$98,807
2020
$129,191
2019
$747,578
2018
$104,717

Payments by company (2024)

Globus Medical, Inc.
$202,880
Medtronic, Inc.
$105,268
Alphatec Spine, Inc
$65,407
Orthofix Medical, Inc.
$11,705
BIOCOMPOSITES INC
$57
PARI Respiratory Equipment, Inc.
$41
Top 3 companies account for 96.9% of 2024 payments
All-time payments by company (2018-2024) ›
NuVasive, Inc.
$917,374
Medtronic, Inc.
$394,179
Medtronic USA, Inc.
$238,830
Globus Medical, Inc.
$203,005
Alphatec Spine, Inc
$138,153
SEASPINE ORTHOPEDICS CORPORATION
$18,869
Orthofix Medical, Inc.
$18,139
Medicrea USA, Corp.
$12,703
SeaSpine Orthopedics Corporation
$8,651
Medical Device Business Services, Inc.
$4,120
SI-BONE, Inc.
$1,106
K2M, Inc.
$151
DePuy Synthes Sales Inc.
$116
BIOCOMPOSITES INC
$57
PARI Respiratory Equipment, Inc.
$41
Top 3 companies account for 79.3% of all-time payments
Associated products mentioned in payments ›
7D Surgical System · ACF · ALIF · Admiral · Arsenal Deformity · Battalion TLIF - PC · CD HORIZON · CD HORIZON SPINAL SYSTEM · CREO · Excelsius3D Imaging System · Forza · General K2M Product Discussion · IdentiTi · Invictus OPEN · Kitabis Pak · LIF · MLX · Malibu · Mariner · Mariner Deformity · Mariner MIS TLIF Retractor · MazorX Renaissance · Nuvaline/NuvaMap O.R. · O-ARM-ST · OsseoScrew · OsteoStrand Plus · Other - Miscellaneous · PASS-LP · PEEK Corpectomy · Pulse · RELINE · Reef TA · STEALTH AUTOGUIDE SYSTEM · STIMULAN · SYNFIX · SafeOp · TLIF · VersaTie · VuePoint · WaveForm C · WaveForm TA · XLIF · iFuse Implant · iGA
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for a neurological surgery specialist in Chicago?
Compare neurological surgerists in the Chicago area by procedure volume, costs, and industry payment transparency.
Browse neurological surgerists nearby

Geographic Context

Neurological surgerists in nearby ZIP areas
215
County median income
$81,797
Nearest hospital to ZIP centroid (approximate)
NORTHWESTERN MEMORIAL HOSPITAL
0.0 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included 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 20 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Koski experienced with spinal fusion of additional segment?
Based on Medicare claims data, Dr. Koski performed 334 spinal fusion of additional segment services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Koski receive payments from pharmaceutical companies?
Yes. Dr. Koski received a total of $1,955,492 from 15 companies across 320 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Koski's costs compare to other neurological surgerists in Chicago?
Dr. Koski's average Medicare payment per service is $340. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Koski) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →