What is Ziwen Guo's specialty?

Ziwen Guo (NPI 1962449108) is a Medicare-billing provider whose primary specialty is Pathology in Green Bay, WI.

Where does Ziwen Guo practice?

Ziwen Guo practices in Green Bay, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1962449108.

How much does Medicare pay Ziwen Guo?

Ziwen Guo (NPI 1962449108) received approximately $48K in total Medicare Part B payments, serving 424 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1962449108

Ziwen GuoM.D.

PRACTICECT IMAGING LLCSee all providers at this practice →

PathologyGreen Bay, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

796

Unique beneficiaries

—

Total services

1,798

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

Total Medicare services vs. 270 Pathology providers in WI — above median (cohort median 1,277).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Ziwen Guo'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AURORA MEDICAL CENTER BAY AREA, INC	38	60
David Stampfl Gastroenterology · Green Bay, WI	28	59
Robert Monette Diagnostic Radiology · Green Bay, WI	27	41
OCONTO HOSPITAL & MEDICAL CENTER INC	25	30
ARNHOLT, JEFF	23	29
Rahul Verma Cardiology · Green Bay, WI	20	29
Timothy Roarty Gastroenterology · Appleton, WI	20	44
Riley Smyth Diagnostic Radiology · Green Bay, WI	19	27
GREWE, GREGORY	16	19
Matthew Ough General Surgery · Green Bay, WI	15	41
CARRIGAN, PATRICK	15	17
Marshall Longnecker Anesthesiology · Green Bay, WI	12	16

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