PROVIDER PROFILE · NPI 1598957888

Mark CahillMD

PRACTICEOREGON CLINIC, PCSee all providers at this practice →

Internal MedicineTualatin, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

238

Unique beneficiaries

—

Total services

261

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 1,159 Internal Medicine providers in OR — top quintile (cohort median 396).

PRESCRIBING · PART D · 2024

Total Rx claims

398

Beneficiaries

—

Total drug cost

$11K

Distinct drugs

Brand share

32.2%

Top prescribed drugs

Omeprazole121 claims

Pantoprazole Sodium47 claims

Ondansetron42 claims

Ondansetron Hcl37 claims

Lansoprazole30 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$32

Payment records

By payment type

Food and Beverage$32

REFERRAL NETWORK

Where Mark Cahill'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Inform Diagnostics, Inc. Clinical Laboratory · Coppell, TX	65	140
OREGON CLINIC, PC	43	87
LEGACY MERIDIAN PARK HOSPITAL	36	98

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