PROVIDER PROFILE · NPI 1427213461

Timothy ZismanMD, MPH

PRACTICESEATTLE EXTRACORPOREAL LLCSee all providers at this practice →

GastroenterologySeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

272

Unique beneficiaries

—

Total services

304

Distinct HCPCS

Medicare payment

$42K

Peer benchmark

Total Medicare services vs. 359 Gastroenterology providers in WA — below median (cohort median 511).

PRESCRIBING · PART D · 2024

Total Rx claims

650

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

55.7%

Top prescribed drugs

Ondansetron Hcl201 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl89 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl59 claims

Mesalamine42 claims

Sodium Chloride/Nahco3/Kcl/Peg36 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$139

Payment records

By payment type

Food and Beverage$139

REFERRAL NETWORK

Where Timothy Zisman'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). 4 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY OF WASHINGTON	117	530
Maria Westerhoff Pathology · Ann Arbor, MI	14	47
Joseph Godwin Diagnostic Radiology · Seattle, WA	12	26
YEH, MENG-CHE	12	32

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF WASHINGTON	65	247
TRUONG, CAMTU DO	19	97

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