What is Gandis Mazeika's specialty?

Gandis Mazeika (NPI 1679518880) is a Medicare-billing provider whose primary specialty is Neurology in Edmonds, WA.

Where does Gandis Mazeika practice?

Gandis Mazeika practices in Edmonds, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1679518880.

How much does Medicare pay Gandis Mazeika?

Gandis Mazeika (NPI 1679518880) received approximately $249K in total Medicare Part B payments, serving 281 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1679518880

Gandis MazeikaM.D.

PRACTICEGANDIS G MAZEIKA MD PSSee all providers at this practice →

NeurologyEdmonds, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,236

Unique beneficiaries

—

Total services

3,078

Distinct HCPCS

Medicare payment

$248K

Peer benchmark

Total Medicare services vs. 382 Neurology providers in WA — top quintile (cohort median 398).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$235K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Zolpidem Tartrate23 claims

Gabapentin18 claims

Sodium Oxybate15 claims

Ropinirole Hcl11 claims

QUALITY · MIPS · 2024

Final MIPS score

70.4

Quality

46.2

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

-0.55%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Gandis Mazeika's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COAD, ALICE	80	232
KING COUNTY PUBLIC HOSPITAL DISTRICT NO. 2	61	198
UNIVERSITY OF WASHINGTON	41	100
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	31	78
NPI 1245394485	30	53
SWEDISH HEALTH SERVICES	17	50
STAMBOR, DANIEL	11	106
SWEDISH EDMONDS	11	22

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events