PROVIDER PROFILE · NPI 1972592731

Lydia ChwastiakMD

PRACTICEGOODNIGHT ANESTHESIASee all providers at this practice →

PsychiatrySeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$1K

Peer benchmark

Total Medicare services vs. 328 Psychiatry providers in WA — bottom quintile (cohort median 181).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$76

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Gabapentin11 claims

QUALITY · MIPS · 2024

Final MIPS score

93.8

Quality

74.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.79%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Lydia Chwastiak'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). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HARBORVIEW MEDICAL CENTER	50	343
Carolyn Brenner Psychiatry · Seattle, WA	11	20

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