PROVIDER PROFILE · NPI 1437132248

Raina HollenbaughM.D.

PRACTICEOAAC, S.C.See all providers at this practice →

AnesthesiologyOconomowoc, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$631

Peer benchmark

Total Medicare services vs. 863 Anesthesiology providers in WI — below median (cohort median 157).

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 · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Raina Hollenbaugh'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). 4 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROHEALTH OCONOMOWOC MEMORIAL HOSPITAL, INC.	96	216
David Roelke Diagnostic Radiology · Waukesha, WI	17	24
Mark Bakalars Diagnostic Radiology · Waukesha, WI	12	12
John Zandt Internal Medicine · Waukesha, WI	11	32

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROHEALTH OCONOMOWOC MEMORIAL HOSPITAL, INC.	35	108
PROHEALTH WAUKESHA MEMORIAL HOSPITAL, INC.	20	40
Lisa Filzen Physician Assistant · Pewaukee, WI	17	18
PROHEALTH HOME CARE INC	14	14
Matthew Bong Orthopedic Surgery · Pewaukee, WI	12	49
Erik Olson Diagnostic Radiology · Waukesha, WI	12	13

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