PROVIDER PROFILE · NPI 1225034937

Douglas Shumaker

PRACTICEINNOVUS ANESTHESIA LLCSee all providers at this practice →

Internal MedicinePortland, ORI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$453

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Omeprazole15 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Douglas Shumaker'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). 6 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES OREGON	113	296
THE OREGON CLINIC PC	58	109
LEE, RANDALL	35	73
PROVIDENCE HEALTH & SERVICES OREGON	23	58
Steven Zinck Diagnostic Radiology · Portland, OR	12	31
Lloyd Heller Diagnostic Radiology · Portland, OR	11	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES OREGON	55	126
PROVIDENCE HEALTH & SERVICES OREGON	19	49
Rena Apon Nurse Practitioner · Beaverton, OR	14	28
STILL, SHARON	13	21
THE OREGON CLINIC PC	11	15

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