Physician Profile
Gandis G. Mazeika, M.D.
Unclaimed ProfileAbout Dr. Mazeika
Gandis G. Mazeika, M.D. is a healthcare provider in Edmonds, WA specializing in sleep medicine (neurology). Gandis trained at University of California, Davis School of Medicine, graduating in 1993. Gandis is also listed as specializing in specialist. According to Medicare claims data, Gandis cared for 1,236 Medicare patients across 3,078 services. The services billed most often include assessment of emotional or behavioral problems, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and measurement of brain wave activity (eeg), awake and asleep.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (425) 636-2400
- Email not available
Practice Locations
21701 76TH AVE W STE 206
Edmonds, WA 98026
Conditions Commonly Evaluated or Treated
Within Sleep Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Insomnia
- Narcolepsy
- Restless legs syndrome
- Sleep apnea
- Snoring
Breathing disruption
- Shallow Breathing In Sleep
- Suffocation Feelings In Bed
- Waking Up Gasping Or Choking
Circadian rhythm
- Antisocial personality disorder
- Delayed Sleep Phase
- Irregular Sleep-Wake Schedule
- Jet Lag Disorder
- Non-24-Hour Body Clock
- Shift Work Sleep Problems
- Sleep problems
Daytime alertness
- Daytime Exhaustion
- Excessive daytime sleepiness
- Excessive Sleeping
- Sleep Grogginess
- Sudden Muscle Weakness When Laughing
Excessive sleepiness
- Sleeping Beauty Syndrome
General sleep
- Hot flashes
- Nighttime Acid Reflux
- Pregnancy Sleep Problems
General symptoms
- Waking Up With Headaches
Hormonal sleep
- Menopause Sleep Problems
Insomnia & anxiety
- Sleep Anxiety
Movement disorders
- Head Banging While Sleeping
- Restless Arm Syndrome
Neurological sleep
- Nighttime Seizures
Parasomnia
- Acting Out Dreams
- Bedwetting
- Chronic Nightmares
- Exploding Head Syndrome
- Hallucinations While Falling Asleep
- Sleep Eating
- Sleep Groaning
- Sleep Paralysis
- Sleep Problems in Kids
- Sleep Talking
- Sleepwalking
Parasomnias
- Sexsomnia
Pediatric sleep
- Child Sleep Problems
Sleep breathing
- Mouth Breathing While Sleeping
- Upper Airway Resistance Syndrome
Sleep disruption
- Waking Up to Pee
Sleep movement
- Nighttime Leg Kicking
- Sleep Twitches
- Teeth Grinding In Sleep
Sleep quality
- Restless Sleep
- Waking Up In Panic
Sleep timing
- Waking Up Too Early
Procedures & services
Most searched procedures
- CPAP titration
- Home sleep test
- Sleep study
Behavioral therapy
- Child Sleep Habit Coaching
- CPAP Desensitization Therapy
- Sleep counseling
- Sleep hygiene counseling
- Sleep Restriction Therapy
- Stimulus Control Therapy
Circadian therapy
- Light Box Therapy
- Melatonin Timing Protocol
Consultation
- CPAP Alternatives Consultation
- Sleep Choking And Acid Reflux Management
CPAP & positive airway pressure
- Adaptive Servo-Ventilation Setup
- Auto-CPAP Setup
- BiPAP therapy
- CPAP Heated Tubing & Humidifier Setup
- CPAP Mask Fitting
- CPAP Pressure Adjustment
Device management
- Central Sleep Apnea Pacemaker Setup
- Inspire Therapy Programming
Devices
- Nasal Dilator Fitting For Snoring
- Nasal Expiratory Valve Fitting
Diagnostic testing
- Daytime Nap Study
- Drug-induced sleep endoscopy
- Overnight Oxygen Tracking
- Sleep Alertness Test
- Sleep Tracker Watch Monitoring
Diagnostics
- Actigraphy Sleep Tracking
- Nasal Airflow Testing
- Overnight Brain Wave Monitoring
Evaluations
- DOT Sleep Apnea Clearance
- Pediatric Sleep Apnea Evaluation
Lifestyle & devices
- Positional Sleep Therapy
Medical management
- Sleep Medication Review & Tapering
Oral appliances
- Night Guard For Clenching
- Oral Appliance Adjustment
- Sleep Apnea Mouthpiece
- Snoring Mouth Guard Fitting
Respiratory care
- Nighttime Oxygen Therapy Setup
- Non-Invasive Ventilation Setup
Snoring & airway
- Laser Snoring Treatment
- Radiofrequency Tissue Reduction For Snoring
Surgery
- Tonsil And Adenoid Removal For Sleep Apnea
Surgical & implants
- Deviated Septum Surgery For Sleep
- Expansion Sphincter Pharyngoplasty
- Hypoglossal nerve stimulator implantation
- Jaw Advancement Surgery
- Palate Stiffening Procedure
- Tongue Base Reduction Surgery
- Turbinate Shrinking For Breathing
- Uvulopalatopharyngoplasty
Therapy
- Myofunctional Therapy for Tongue Thrust
- Sleep Dread Desensitization
Procedures Most Often Billed to Medicare
3,078 services · 1,236 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Assessment of emotional or behavioral problems | Treatment | 96127 |
1,290 | Too few peers to compare |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
247 | More than most peers in Sleep Medicine (Neurology) |
| Device supply with scheduled recording and transmission for remote monitoring of respiratory system, per 30 days | Treatment | 98976 |
214 | Too few peers to compare |
| Measurement of brain wave activity (eeg), digital analysis | Treatment | 95957 |
107 | Too few peers to compare |
| Assessment of health behavior | Treatment | 96156 |
80 | Too few peers to compare |
| Measurement of brain wave activity (eeg), 61-119 minutes | Treatment | 95813 |
39 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
457 | More often than most peers in Sleep Medicine (Neurology) |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
173 | More often than most peers in Sleep Medicine (Neurology) |
| Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | Billing code | G0399 |
155 | More than most peers in Sleep Medicine (Neurology) |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
118 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Class of 1993 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Assessment of emotional or behavioral problems 8
Providers in WA who bill this service to Medicare most often.
Common questions
What kind of doctor is Gandis G. Mazeika?
Gandis G. Mazeika is a sleep medicine (neurology) in Edmonds, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Gandis G. Mazeika's address?
Gandis G. Mazeika is listed at 21701 76Th Ave W Ste 206, Edmonds, WA 98026. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gandis G. Mazeika?
The number on file is (425) 636-2400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gandis G. Mazeika's NPI number?
Gandis G. Mazeika's National Provider Identifier is 1679518880. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Gandis G. Mazeika train?
Gandis G. Mazeika attended University of California, Davis School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Gandis G. Mazeika been practicing?
Gandis G. Mazeika has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gandis G. Mazeika perform?
According to Medicare billing data, Gandis G. Mazeika provides treatments such as assessment of emotional or behavioral problems and measurement of brain wave activity , awake and asleep, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gandis G. Mazeika confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gandis G. Mazeika. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.