What is Patrick Chiasson's specialty?

Patrick Chiasson (NPI 1861458754) is a Medicare-billing provider whose primary specialty is General Surgery in Tucson, AZ.

Where does Patrick Chiasson practice?

Patrick Chiasson practices in Tucson, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1861458754.

How much does Medicare pay Patrick Chiasson?

Patrick Chiasson (NPI 1861458754) received approximately $102K in total Medicare Part B payments, serving 175 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861458754

Patrick ChiassonMD

General SurgeryTucson, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

400

Unique beneficiaries

—

Total services

455

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

638

Beneficiaries

—

Total drug cost

$26K

Distinct drugs

Brand share

21.6%

Top prescribed drugs

Omeprazole128 claims

Ondansetron118 claims

Celecoxib79 claims

Famotidine62 claims

Pantoprazole Sodium58 claims

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

Total received

$7K

Payment records

By payment type

Consulting Fee$6K

Food and Beverage$477

Travel and Lodging$318

Top paying entities

Consulting Fee$6K

Food and Beverage$477

Travel and Lodging$318

REFERRAL NETWORK

Where Patrick Chiasson'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHWEST HOSPITAL LLC	151	651
NORTHERN COCHISE COMMUNITY HOSPITAL INC	27	124
Stephanie Reddick Diagnostic Radiology · Tucson, AZ	22	70
Matt Baptista Pathology · Tucson, AZ	22	55
KARTCHNER, ZANE	19	56
YOSHINO, MARK	19	47
Robert Heyer Anesthesiology · Tucson, AZ	15	37
Kevin Kelly Diagnostic Radiology · Tucson, AZ	14	38
Southwest Ambulance Of Tucson Inc Ambulance Service Provider · Tucson, AZ	12	25
ORO VALLEY HOSPITAL LLC	12	45
Heriberto Gutierrez Internal Medicine · Tucson, AZ	11	34
Guy Borders Diagnostic Radiology · Tucson, AZ	11	22

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