PROVIDER PROFILE · NPI 1700999513

William ChizmarAA

PRACTICEAMC MOBILE ANESTHESIA, PCSee all providers at this practice →

Anesthesiology AssistantGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 29 Anesthesiology Assistant providers in MI — top quintile (cohort median 96).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where William Chizmar'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH UNITED	37	72
SPECTRUM HEALTH PRIMARY CARE PARTNERS	23	23
Michael Boyle Ophthalmology · Grand Rapids, MI	17	26
John Vantimmeren Anesthesiology · Grand Rapids, MI	17	17
Victor Hajjar Cardiology · Greenville, MI	12	17
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	12	12
Christopher Buchach Diagnostic Radiology · Grand Rapids, MI	12	13
QUICK, JOHN	12	13
WATERS, GREGORY	11	12
Angelo Porcari Diagnostic Radiology · Grand Rapids, MI	11	18

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