What is Grace Hou's specialty?

Grace Hou (NPI 1801908181) is a Medicare-billing provider whose primary specialty is General Surgery in Tucson, AZ.

Where does Grace Hou practice?

Grace Hou practices in Tucson, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1801908181.

How much does Medicare pay Grace Hou?

Grace Hou (NPI 1801908181) received approximately $95K in total Medicare Part B payments, serving 145 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801908181

Grace HouM.D.

PRACTICEGRACE HOU MD PCSee all providers at this practice →

General SurgeryTucson, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

393

Unique beneficiaries

—

Total services

412

Distinct HCPCS

Medicare payment

$74K

Peer benchmark

Total Medicare services vs. 455 General Surgery providers in AZ — top quintile (cohort median 260).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

88.8

Quality

77.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.58%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Grace Hou'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHWEST HOSPITAL LLC	166	757
ORO VALLEY HOSPITAL LLC	37	126
Matt Baptista Pathology · Tucson, AZ	31	131
R Christopher Dillon Diagnostic Radiology · Tucson, AZ	20	50
Qinglong Hu Pathology · Tucson, AZ	15	76
KARTCHNER, ZANE	14	48
Andrew Neuschatz Radiation Oncology · Tucson, AZ	14	113
YOSHINO, MARK	13	46
BARROERO, LINDA	13	15
LABORATORY CORPORATION OF AMERICA	11	60
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC	11	29

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