Dr. Paul Mazaris, MD
What this data tells you about Dr. Mazaris
Dr. Paul Mazaris is a neurological surgery specialist in Grand Rapids, MI, with 19 years of NPI registration. Based on federal Medicare data, Dr. Mazaris performed 190 Medicare services across 166 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mazaris received a total of $50,097 from 25 pharmaceutical and/or device companies across 476 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurological surgery. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Mazaris 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 |
|---|---|---|---|
| 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. |
56 | $80 | $228 |
| 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. |
39 | $92 | $225 |
| 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. |
23 | $11 | $37 |
| 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. |
22 | $275 | $1,120 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
18 | $10 | $48 |
| Intracranial artery catheter insertion A radiologist inserts a tube into an artery in the brain for diagnostic or treatment purposes. |
16 | $174 | $989 |
| Brain artery catheterization A tube is inserted into an artery in the brain for diagnosis or treatment, with review by a radiologist. |
16 | $337 | $1,591 |
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 ›
The majority of payments (85%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.
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. Mazaris is a clinical cardiology specialist, with moderate Medicare volume, with consulting-driven industry engagement in the top 12% of MI 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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