Dr. Gandis Mazeika, M.D.
What this data tells you about Dr. Mazeika
Dr. Gandis Mazeika is an optician specialist in Edmonds, WA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Mazeika performed 2,301 Medicare services across 1,244 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mazeika received a total of $51,070 from 3 pharmaceutical and/or device companies across 75 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Mazeika 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 |
|---|---|---|---|
| Assessment of emotional or behavioral problems An evaluation to identify and understand emotional or behavioral issues. This process involves reviewing symptoms and behaviors to determine the nature of the concerns. |
686 | $3 | $18 |
| 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. |
535 | $92 | $175 |
| Remote respiratory monitoring device supply, 30 days Supply of a device that records and transmits respiratory data for remote monitoring over a 30-day period. |
399 | $37 | $90 |
| Home sleep test with portable monitor An unattended sleep study performed at home using a portable monitor that records breathing, heart rate, and oxygen levels. |
203 | $78 | $860 |
| EEG, extended monitoring A test that records electrical activity in the brain while the patient is both awake and asleep. |
158 | $374 | $800 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
69 | $135 | $225 |
| Telephone medical discussion, 21-30 minutes A telephone conversation with a physician lasting between 21 and 30 minutes. This code covers the time spent discussing medical matters over the phone. |
60 | $96 | $175 |
| 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. |
55 | $110 | $250 |
| Digital analysis of brain wave activity (EEG) This procedure involves the digital analysis of brain wave activity recorded via an electroencephalogram (EEG). It focuses on the technical interpretation of the digital data rather than the initial recording or supervision. |
49 | $222 | $750 |
| Health behavior assessment An evaluation of a patient's health-related behaviors and lifestyle factors. This process helps identify habits that may impact overall well-being. |
45 | $76 | $150 |
| Health risk assessment administration and interpretation This procedure involves administering a health risk assessment to a patient and interpreting the results. |
25 | $2 | $18 |
| 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. |
17 | $73 | $125 |
Industry Payment Transparency
Open Payments through 2021 ↗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 (2021)
All-time payments by company (2018-2021) ›
Associated products mentioned in payments ›
The majority of payments (100%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in optician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 7% for optician in WA.
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 2021 |
| 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. Mazeika is a clinical cardiology specialist, with above-average Medicare volume (top 19% in WA), with speaking/promotional industry engagement in the top 7% of WA peers, 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
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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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