Medicare Enrolled

Dr. Zane Tymchak, MD

Neurological Surgery · Seattle, WA
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
550 17TH AVE STE 110, Seattle, WA 98122
2063203470
Registered in NPPES since 2018
NPI: 1568949055 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. Tymchak 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. Tymchak

Dr. Zane Tymchak is a neurological surgery specialist in Seattle, WA, with 8 years of NPI registration. Based on federal Medicare data, Dr. Tymchak performed 272 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Tymchak received a total of $6,944 from 11 pharmaceutical and/or device companies across 68 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. Tymchak 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.

✓ 8 years of NPI registration ▲ Top 41% volume in WA $6,944 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
272
Medicare services
Top 41% in WA for neurological surgery
Not available
Unique patients (not deduplicated)
$119
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
New patient office visit (30-44 min)
An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range.
54 $93 $314
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.
38 $74 $221
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.
33 $143 $480
New patient office visit, 15-29 minutes
An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold.
31 $65 $218
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.
29 $96 $312
Ultrasound guidance for blood vessel access
Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood.
26 $11 $44
Office visit, established patient (10-19 min)
An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition.
22 $49 $137
Brain artery catheterization
A tube is inserted into an artery in the brain for diagnosis or treatment, with review by a radiologist.
15 $185 $1,048
Neck artery catheter insertion with radiology review
A tube is inserted into an artery in the neck for diagnostic or treatment purposes. A radiologist reviews the procedure.
13 $319 $1,336
Head artery clot removal and dissolution
A procedure to remove a blood clot from an artery in the head and inject medication to dissolve remaining clots, guided by fluoroscopy.
11 $602 $2,394
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.
10.3% high complexity
9.6% medium
80.1% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$6,944
Total received (2018-2024)
Avg $992/year across 7 years
Top 25% in WA for neurological surgery
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
11
Companies
68
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
$1,726
2023
$376
2022
$562
2021
$279
2020
$71
2019
$3,006
2018
$924

Payments by company (2024)

Globus Medical, Inc.
$856
Balt USA, LLC
$519
Penumbra, Inc.
$248
Medtronic, Inc.
$56
Stryker Corporation
$48
Top 3 companies account for 94.0% of 2024 payments
All-time payments by company (2018-2024) ›
Globus Medical, Inc.
$2,714
Balt USA, LLC
$1,689
Synthes GmbH
$675
MicroVention, Inc.
$544
Stryker Corporation
$495
DePuy Synthes Sales Inc.
$249
Penumbra, Inc.
$248
Medtronic USA, Inc.
$178
Silk Road Medical, Inc.
$62
Medtronic, Inc.
$56
NuVasive, Inc.
$34
Top 3 companies account for 73.1% of all-time payments
Associated products mentioned in payments ›
3D Printed Cervical Interbody · ALTERA · Ballast 088 Long Sheath · Barricade Coil System · CD HORIZON · Carrier Delivery Catheter · Distal Femur Plate System · ECLIPSE 2L · ENROUTE Transcarotid Neuroprotection System · EXPEDIUM · Excelsius - GPS · MESA SMALL STATURE SPINAL SYSTEM · NAV - SPINEMAP 3D NAVIGATION SOFTWARE AND INSTRUMENTATION · NONE · Optima Coil System · Optima Thermal Coil System · PIPELINE · Penumbra System · QUARTEX · RISE-L · RISE-L . RISE-L A/L · STENT · Simplify Cervical Artificial Disc · VERTEX · VIPER · WEB
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 Seattle?
Compare neurological surgerists in the Seattle area by procedure volume, costs, and industry payment transparency.
Browse neurological surgerists nearby

Geographic Context

Neurological surgerists in nearby ZIP areas
131
County median income
$122,148
Nearest hospital to ZIP centroid (approximate)
SWEDISH MEDICAL CENTER / CHERRY HILL
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. Tymchak is a clinical cardiology specialist, with moderate Medicare volume.

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

Frequently Asked Questions

Is Dr. Tymchak experienced with new patient office visit (30-44 min)?
Based on Medicare claims data, Dr. Tymchak performed 54 new patient office visit (30-44 min) 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. Tymchak receive payments from pharmaceutical companies?
Yes. Dr. Tymchak received a total of $6,944 from 11 companies across 68 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. Tymchak's costs compare to other neurological surgerists in Seattle?
Dr. Tymchak's average Medicare payment per service is $119. 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. Tymchak) 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 →